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| <div class="subTitle">org.apache.hadoop.hbase.zookeeper</div> |
| <h2 title="Class ZKUtil" class="title">Class ZKUtil</h2> |
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| <ul class="inheritance"> |
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| <li>org.apache.hadoop.hbase.zookeeper.ZKUtil</li> |
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| <pre>@InterfaceAudience.Private |
| public final class <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.93">ZKUtil</a> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block">Internal HBase utility class for ZooKeeper. |
| |
| <p>Contains only static methods and constants. |
| |
| <p>Methods all throw <code>KeeperException</code> if there is an unexpected |
| zookeeper exception, so callers of these methods must handle appropriately. |
| If ZK is required for the operation, the server will need to be aborted.</div> |
| </li> |
| </ul> |
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| <ul class="blockList"> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Class and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.JaasConfiguration.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.JaasConfiguration</a></span></code> |
| <div class="block">A JAAS configuration that defines the login modules that we want to use for login.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.NodeAndData.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.NodeAndData</a></span></code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="block"><span class="deprecationComment">Unused</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a></span></code> |
| <div class="block">Represents an action taken by ZKUtil, e.g.</div> |
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| </tr> |
| </table> |
| </li> |
| </ul> |
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| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static org.slf4j.Logger</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#LOG">LOG</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#zkDumpConnectionTimeOut">zkDumpConnectionTimeOut</a></span></code> </td> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>private </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#ZKUtil--">ZKUtil</a></span>()</code> </td> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span><span id="t6" class="tableTab"><span><a href="javascript:show(32);">Deprecated Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>private static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#appendHFileRefsZNodes-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-java.lang.StringBuilder-">appendHFileRefsZNodes</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> hFileRefsZNode, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</a> sb)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>private static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#appendPeerState-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-java.lang.StringBuilder-">appendPeerState</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znodeToProcess, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</a> sb)</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>private static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#appendPeersZnodes-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-java.lang.StringBuilder-">appendPeersZnodes</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> peersZnode, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</a> sb)</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>private static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#appendRSZnodes-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-java.lang.StringBuilder-">appendRSZnodes</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</a> sb)</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#asyncCreate-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-byte:A-org.apache.zookeeper.AsyncCallback.StringCallback-java.lang.Object-">asyncCreate</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| byte[] data, |
| org.apache.zookeeper.AsyncCallback.StringCallback cb, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> ctx)</code> |
| <div class="block">Async creates the specified node with the specified data.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#checkExists-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-">checkExists</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode)</code> |
| <div class="block">Check if the specified node exists.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/zookeeper/RecoverableZooKeeper.html" title="class in org.apache.hadoop.hbase.zookeeper">RecoverableZooKeeper</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#connect-org.apache.hadoop.conf.Configuration-java.lang.String-org.apache.zookeeper.Watcher-">connect</a></span>(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> ensemble, |
| org.apache.zookeeper.Watcher watcher)</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/zookeeper/RecoverableZooKeeper.html" title="class in org.apache.hadoop.hbase.zookeeper">RecoverableZooKeeper</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#connect-org.apache.hadoop.conf.Configuration-java.lang.String-org.apache.zookeeper.Watcher-java.lang.String-">connect</a></span>(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> ensemble, |
| org.apache.zookeeper.Watcher watcher, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> identifier)</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/zookeeper/RecoverableZooKeeper.html" title="class in org.apache.hadoop.hbase.zookeeper">RecoverableZooKeeper</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#connect-org.apache.hadoop.conf.Configuration-org.apache.zookeeper.Watcher-">connect</a></span>(org.apache.hadoop.conf.Configuration conf, |
| org.apache.zookeeper.Watcher watcher)</code> |
| <div class="block">Creates a new connection to ZooKeeper, pulling settings and ensemble config |
| from the specified configuration object using methods from <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKConfig.html" title="class in org.apache.hadoop.hbase.zookeeper"><code>ZKConfig</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>static org.apache.zookeeper.KeeperException</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#convert-org.apache.hadoop.hbase.exceptions.DeserializationException-">convert</a></span>(<a href="../../../../../org/apache/hadoop/hbase/exceptions/DeserializationException.html" title="class in org.apache.hadoop.hbase.exceptions">DeserializationException</a> e)</code> |
| <div class="block">Convert a <a href="../../../../../org/apache/hadoop/hbase/exceptions/DeserializationException.html" title="class in org.apache.hadoop.hbase.exceptions"><code>DeserializationException</code></a> to a more palatable <code>KeeperException</code>.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a><org.apache.zookeeper.data.ACL></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#createACL-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-">createACL</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> node)</code> </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a><org.apache.zookeeper.data.ACL></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#createACL-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-boolean-">createACL</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> node, |
| boolean isSecureZooKeeper)</code> </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#createAndFailSilent-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-">createAndFailSilent</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode)</code> |
| <div class="block">Creates the specified node, iff the node does not exist.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#createAndFailSilent-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-byte:A-">createAndFailSilent</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| byte[] data)</code> |
| <div class="block">Creates the specified node containing specified data, iff the node does not exist.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>private static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#createAndFailSilent-org.apache.hadoop.hbase.zookeeper.ZKWatcher-org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp.CreateAndFailSilent-">createAndFailSilent</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.CreateAndFailSilent.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp.CreateAndFailSilent</a> cafs)</code> </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#createAndWatch-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-byte:A-">createAndWatch</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| byte[] data)</code> |
| <div class="block">Creates the specified node with the specified data and watches it.</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#createEphemeralNodeAndWatch-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-byte:A-">createEphemeralNodeAndWatch</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| byte[] data)</code> |
| <div class="block">Set the specified znode to be an ephemeral node carrying the specified |
| data.</div> |
| </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#createNodeIfNotExistsAndWatch-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-byte:A-">createNodeIfNotExistsAndWatch</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| byte[] data)</code> |
| <div class="block">Creates the specified znode to be a persistent node carrying the specified |
| data.</div> |
| </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#createNodeIfNotExistsNoWatch-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-byte:A-org.apache.zookeeper.CreateMode-">createNodeIfNotExistsNoWatch</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| byte[] data, |
| org.apache.zookeeper.CreateMode createMode)</code> |
| <div class="block">Creates the specified znode with the specified data but does not watch it.</div> |
| </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#createSetData-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-byte:A-">createSetData</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| byte[] data)</code> |
| <div class="block">Set data into node creating node if it doesn't yet exist.</div> |
| </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#createWithParents-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-">createWithParents</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode)</code> |
| <div class="block">Creates the specified node and all parent nodes required for it to exist.</div> |
| </td> |
| </tr> |
| <tr id="i21" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#createWithParents-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-byte:A-">createWithParents</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| byte[] data)</code> |
| <div class="block">Creates the specified node and all parent nodes required for it to exist.</div> |
| </td> |
| </tr> |
| <tr id="i22" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#deleteChildrenRecursively-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-">deleteChildrenRecursively</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> node)</code> |
| <div class="block">Delete all the children of the specified node but not the node itself.</div> |
| </td> |
| </tr> |
| <tr id="i23" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#deleteChildrenRecursivelyMultiOrSequential-org.apache.hadoop.hbase.zookeeper.ZKWatcher-boolean-java.lang.String...-">deleteChildrenRecursivelyMultiOrSequential</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| boolean runSequentialOnMultiFailure, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>... pathRoots)</code> |
| <div class="block">Delete all the children of the specified node but not the node itself.</div> |
| </td> |
| </tr> |
| <tr id="i24" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#deleteNode-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-">deleteNode</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> node)</code> |
| <div class="block">Delete the specified node.</div> |
| </td> |
| </tr> |
| <tr id="i25" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#deleteNode-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-int-">deleteNode</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> node, |
| int version)</code> |
| <div class="block">Delete the specified node with the specified version.</div> |
| </td> |
| </tr> |
| <tr id="i26" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#deleteNodeFailSilent-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-">deleteNodeFailSilent</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> node)</code> |
| <div class="block">Deletes the specified node.</div> |
| </td> |
| </tr> |
| <tr id="i27" class="rowColor"> |
| <td class="colFirst"><code>private static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#deleteNodeFailSilent-org.apache.hadoop.hbase.zookeeper.ZKWatcher-org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp.DeleteNodeFailSilent-">deleteNodeFailSilent</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.DeleteNodeFailSilent.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp.DeleteNodeFailSilent</a> dnfs)</code> </td> |
| </tr> |
| <tr id="i28" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#deleteNodeRecursively-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-">deleteNodeRecursively</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> node)</code> |
| <div class="block">Delete the specified node and all of it's children.</div> |
| </td> |
| </tr> |
| <tr id="i29" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#deleteNodeRecursivelyMultiOrSequential-org.apache.hadoop.hbase.zookeeper.ZKWatcher-boolean-java.lang.String...-">deleteNodeRecursivelyMultiOrSequential</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| boolean runSequentialOnMultiFailure, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>... pathRoots)</code> |
| <div class="block">Delete the specified node and its children.</div> |
| </td> |
| </tr> |
| <tr id="i30" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#dump-org.apache.hadoop.hbase.zookeeper.ZKWatcher-">dump</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw)</code> </td> |
| </tr> |
| <tr id="i31" class="rowColor"> |
| <td class="colFirst"><code>(package private) static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#estimateSize-org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp-">estimateSize</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a> op)</code> </td> |
| </tr> |
| <tr id="i32" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.NodeAndData.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.NodeAndData</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#getChildDataAndWatchForNewChildren-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-">getChildDataAndWatchForNewChildren</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> baseNode)</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="block"><span class="deprecationComment">Unused</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i33" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.NodeAndData.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.NodeAndData</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#getChildDataAndWatchForNewChildren-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-boolean-">getChildDataAndWatchForNewChildren</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> baseNode, |
| boolean throwOnInterrupt)</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="block"><span class="deprecationComment">Unused</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i34" class="altColor"> |
| <td class="colFirst"><code>static byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#getData-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-">getData</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode)</code> |
| <div class="block">Get znode data.</div> |
| </td> |
| </tr> |
| <tr id="i35" class="rowColor"> |
| <td class="colFirst"><code>static byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#getDataAndWatch-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-">getDataAndWatch</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode)</code> |
| <div class="block">Get the data at the specified znode and set a watch.</div> |
| </td> |
| </tr> |
| <tr id="i36" class="altColor"> |
| <td class="colFirst"><code>static byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#getDataAndWatch-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-boolean-">getDataAndWatch</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| boolean throwOnInterrupt)</code> |
| <div class="block">Get the data at the specified znode and set a watch.</div> |
| </td> |
| </tr> |
| <tr id="i37" class="rowColor"> |
| <td class="colFirst"><code>static byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#getDataAndWatch-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-org.apache.zookeeper.data.Stat-">getDataAndWatch</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| org.apache.zookeeper.data.Stat stat)</code> |
| <div class="block">Get the data at the specified znode and set a watch.</div> |
| </td> |
| </tr> |
| <tr id="i38" class="altColor"> |
| <td class="colFirst"><code>private static byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#getDataInternal-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-org.apache.zookeeper.data.Stat-boolean-boolean-">getDataInternal</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| org.apache.zookeeper.data.Stat stat, |
| boolean watcherSet, |
| boolean throwOnInterrupt)</code> </td> |
| </tr> |
| <tr id="i39" class="rowColor"> |
| <td class="colFirst"><code>static byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#getDataNoWatch-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-org.apache.zookeeper.data.Stat-">getDataNoWatch</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| org.apache.zookeeper.data.Stat stat)</code> |
| <div class="block">Get the data at the specified znode without setting a watch.</div> |
| </td> |
| </tr> |
| <tr id="i40" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#getNodeName-java.lang.String-">getNodeName</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path)</code> |
| <div class="block">Get the name of the current node from the specified fully-qualified path.</div> |
| </td> |
| </tr> |
| <tr id="i41" class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#getNumberOfChildren-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-">getNumberOfChildren</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode)</code> |
| <div class="block">Get the number of children of the specified node.</div> |
| </td> |
| </tr> |
| <tr id="i42" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#getParent-java.lang.String-">getParent</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> node)</code> |
| <div class="block">Returns the full path of the immediate parent of the specified node.</div> |
| </td> |
| </tr> |
| <tr id="i43" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#getReplicationZnodesDump-org.apache.hadoop.hbase.zookeeper.ZKWatcher-">getReplicationZnodesDump</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw)</code> |
| <div class="block">Returns a string with replication znodes and position of the replication log</div> |
| </td> |
| </tr> |
| <tr id="i44" class="altColor"> |
| <td class="colFirst"><code>private static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#getReplicationZnodesDump-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.StringBuilder-">getReplicationZnodesDump</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</a> sb)</code> |
| <div class="block">Appends replication znodes to the passed StringBuilder.</div> |
| </td> |
| </tr> |
| <tr id="i45" class="rowColor"> |
| <td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#getServerNameOrEmptyString-byte:A-">getServerNameOrEmptyString</a></span>(byte[] data)</code> </td> |
| </tr> |
| <tr id="i46" class="altColor"> |
| <td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#getServerStats-java.lang.String-int-">getServerStats</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> server, |
| int timeout)</code> |
| <div class="block">Gets the statistics from the given server.</div> |
| </td> |
| </tr> |
| <tr id="i47" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#isSecureZooKeeper-org.apache.hadoop.conf.Configuration-">isSecureZooKeeper</a></span>(org.apache.hadoop.conf.Configuration conf)</code> |
| <div class="block">Returns whether or not secure authentication is enabled |
| (whether <code>hbase.security.authentication</code> is set to |
| <code>kerberos</code>.</div> |
| </td> |
| </tr> |
| <tr id="i48" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#listChildrenAndWatchForNewChildren-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-">listChildrenAndWatchForNewChildren</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode)</code> |
| <div class="block">Lists the children znodes of the specified znode.</div> |
| </td> |
| </tr> |
| <tr id="i49" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#listChildrenAndWatchThem-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-">listChildrenAndWatchThem</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode)</code> |
| <div class="block">List all the children of the specified znode, setting a watch for children |
| changes and also setting a watch on every individual child in order to get |
| the NodeCreated and NodeDeleted events.</div> |
| </td> |
| </tr> |
| <tr id="i50" class="altColor"> |
| <td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#listChildrenBFSAndWatchThem-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-">listChildrenBFSAndWatchThem</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode)</code> |
| <div class="block">BFS Traversal of all the children under path, with the entries in the list, |
| in the same order as that of the traversal.</div> |
| </td> |
| </tr> |
| <tr id="i51" class="rowColor"> |
| <td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#listChildrenBFSNoWatch-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-">listChildrenBFSNoWatch</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode)</code> |
| <div class="block">BFS Traversal of all the children under path, with the entries in the list, |
| in the same order as that of the traversal.</div> |
| </td> |
| </tr> |
| <tr id="i52" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#listChildrenNoWatch-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-">listChildrenNoWatch</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode)</code> |
| <div class="block">Lists the children of the specified znode without setting any watches.</div> |
| </td> |
| </tr> |
| <tr id="i53" class="rowColor"> |
| <td class="colFirst"><code>private static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#login-org.apache.hadoop.conf.Configuration-java.lang.String-java.lang.String-java.lang.String-java.lang.String-java.lang.String-">login</a></span>(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> keytabFileKey, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> userNameKey, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> hostname, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> loginContextProperty, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> loginContextName)</code> |
| <div class="block">Log in the current process using the given configuration keys for the |
| credential file and login principal.</div> |
| </td> |
| </tr> |
| <tr id="i54" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#loginClient-org.apache.hadoop.conf.Configuration-java.lang.String-java.lang.String-java.lang.String-">loginClient</a></span>(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> keytabFileKey, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> userNameKey, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> hostname)</code> |
| <div class="block">Log in the current zookeeper client using the given configuration |
| keys for the credential file and login principal.</div> |
| </td> |
| </tr> |
| <tr id="i55" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#loginServer-org.apache.hadoop.conf.Configuration-java.lang.String-java.lang.String-java.lang.String-">loginServer</a></span>(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> keytabFileKey, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> userNameKey, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> hostname)</code> |
| <div class="block">Log in the current zookeeper server process using the given configuration |
| keys for the credential file and login principal.</div> |
| </td> |
| </tr> |
| <tr id="i56" class="altColor"> |
| <td class="colFirst"><code>private static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#logRetrievedMsg-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-byte:A-boolean-">logRetrievedMsg</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| byte[] data, |
| boolean watcherSet)</code> </td> |
| </tr> |
| <tr id="i57" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#logZKTree-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-">logZKTree</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> root)</code> |
| <div class="block">Recursively print the current state of ZK (non-transactional)</div> |
| </td> |
| </tr> |
| <tr id="i58" class="altColor"> |
| <td class="colFirst"><code>private static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#logZKTree-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-java.lang.String-">logZKTree</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> root, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> prefix)</code> |
| <div class="block">Helper method to print the current state of the ZK tree.</div> |
| </td> |
| </tr> |
| <tr id="i59" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#multiOrSequential-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.util.List-boolean-">multiOrSequential</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a>> ops, |
| boolean runSequentialOnMultiFailure)</code> |
| <div class="block">Use ZooKeeper's multi-update functionality.</div> |
| </td> |
| </tr> |
| <tr id="i60" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#nodeHasChildren-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-">nodeHasChildren</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode)</code> |
| <div class="block">Checks if the specified znode has any children.</div> |
| </td> |
| </tr> |
| <tr id="i61" class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#parseWALPositionFrom-byte:A-">parseWALPositionFrom</a></span>(byte[] bytes)</code> </td> |
| </tr> |
| <tr id="i62" class="altColor"> |
| <td class="colFirst"><code>(package private) static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a>>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#partitionOps-java.util.List-int-">partitionOps</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a>> ops, |
| int maxPartitionSize)</code> |
| <div class="block">Partition the list of <code>ops</code> by size (using <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#estimateSize-org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp-"><code>estimateSize(ZKUtilOp)</code></a>).</div> |
| </td> |
| </tr> |
| <tr id="i63" class="rowColor"> |
| <td class="colFirst"><code>static byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#positionToByteArray-long-">positionToByteArray</a></span>(long position)</code> </td> |
| </tr> |
| <tr id="i64" class="altColor"> |
| <td class="colFirst"><code>private static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#processSequentially-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.util.List-">processSequentially</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a>> ops)</code> </td> |
| </tr> |
| <tr id="i65" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#setData-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-byte:A-">setData</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| byte[] data)</code> |
| <div class="block">Sets the data of the existing znode to be the specified data.</div> |
| </td> |
| </tr> |
| <tr id="i66" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#setData-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-byte:A-int-">setData</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| byte[] data, |
| int expectedVersion)</code> |
| <div class="block">Sets the data of the existing znode to be the specified data.</div> |
| </td> |
| </tr> |
| <tr id="i67" class="rowColor"> |
| <td class="colFirst"><code>private static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#setData-org.apache.hadoop.hbase.zookeeper.ZKWatcher-org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp.SetData-">setData</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.SetData.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp.SetData</a> setData)</code> </td> |
| </tr> |
| <tr id="i68" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#setWatchIfNodeExists-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-">setWatchIfNodeExists</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode)</code> |
| <div class="block">Watch the specified znode, but only if exists.</div> |
| </td> |
| </tr> |
| <tr id="i69" class="rowColor"> |
| <td class="colFirst"><code>private static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#submitBatchedMultiOrSequential-org.apache.hadoop.hbase.zookeeper.ZKWatcher-boolean-java.util.List-">submitBatchedMultiOrSequential</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| boolean runSequentialOnMultiFailure, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a>> ops)</code> |
| <div class="block">Chunks the provided <code>ops</code> when their approximate size exceeds the the configured limit.</div> |
| </td> |
| </tr> |
| <tr id="i70" class="altColor"> |
| <td class="colFirst"><code>private static org.apache.zookeeper.Op</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#toZooKeeperOp-org.apache.hadoop.hbase.zookeeper.ZKWatcher-org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp-">toZooKeeperOp</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a> op)</code> |
| <div class="block">Convert from ZKUtilOp to ZKOp</div> |
| </td> |
| </tr> |
| <tr id="i71" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#updateExistingNodeData-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-byte:A-int-">updateExistingNodeData</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| byte[] data, |
| int expectedVersion)</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="block"><span class="deprecationComment">Unused</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i72" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#waitForBaseZNode-org.apache.hadoop.conf.Configuration-">waitForBaseZNode</a></span>(org.apache.hadoop.conf.Configuration conf)</code> |
| <div class="block">Waits for HBase installation's base (parent) znode to become available.</div> |
| </td> |
| </tr> |
| <tr id="i73" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#watchAndCheckExists-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-">watchAndCheckExists</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode)</code> |
| <div class="block">Watch the specified znode for delete/create/change events.</div> |
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| <pre>public static <a href="../../../../../org/apache/hadoop/hbase/zookeeper/RecoverableZooKeeper.html" title="class in org.apache.hadoop.hbase.zookeeper">RecoverableZooKeeper</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.112">connect</a>(org.apache.hadoop.conf.Configuration conf, |
| org.apache.zookeeper.Watcher watcher) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Creates a new connection to ZooKeeper, pulling settings and ensemble config |
| from the specified configuration object using methods from <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKConfig.html" title="class in org.apache.hadoop.hbase.zookeeper"><code>ZKConfig</code></a>. |
| |
| Sets the connection status monitoring watcher to the specified watcher.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>conf</code> - configuration to pull ensemble and other settings from</dd> |
| <dd><code>watcher</code> - watcher to monitor connection changes</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>connection to zookeeper</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if unable to connect to zk or config problem</dd> |
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| <pre>public static <a href="../../../../../org/apache/hadoop/hbase/zookeeper/RecoverableZooKeeper.html" title="class in org.apache.hadoop.hbase.zookeeper">RecoverableZooKeeper</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.118">connect</a>(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> ensemble, |
| org.apache.zookeeper.Watcher watcher) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <pre>public static <a href="../../../../../org/apache/hadoop/hbase/zookeeper/RecoverableZooKeeper.html" title="class in org.apache.hadoop.hbase.zookeeper">RecoverableZooKeeper</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.124">connect</a>(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> ensemble, |
| org.apache.zookeeper.Watcher watcher, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> identifier) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.160">loginServer</a>(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> keytabFileKey, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> userNameKey, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> hostname) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Log in the current zookeeper server process using the given configuration |
| keys for the credential file and login principal. |
| |
| <p><strong>This is only applicable when running on secure hbase</strong> |
| On regular HBase (without security features), this will safely be ignored. |
| </p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>conf</code> - The configuration data to use</dd> |
| <dd><code>keytabFileKey</code> - Property key used to configure the path to the credential file</dd> |
| <dd><code>userNameKey</code> - Property key used to configure the login principal</dd> |
| <dd><code>hostname</code> - Current hostname to use in any credentials</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - underlying exception from SecurityUtil.login() call</dd> |
| </dl> |
| </li> |
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| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.181">loginClient</a>(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> keytabFileKey, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> userNameKey, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> hostname) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Log in the current zookeeper client using the given configuration |
| keys for the credential file and login principal. |
| |
| <p><strong>This is only applicable when running on secure hbase</strong> |
| On regular HBase (without security features), this will safely be ignored. |
| </p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>conf</code> - The configuration data to use</dd> |
| <dd><code>keytabFileKey</code> - Property key used to configure the path to the credential file</dd> |
| <dd><code>userNameKey</code> - Property key used to configure the login principal</dd> |
| <dd><code>hostname</code> - Current hostname to use in any credentials</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - underlying exception from SecurityUtil.login() call</dd> |
| </dl> |
| </li> |
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| <pre>private static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.204">login</a>(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> keytabFileKey, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> userNameKey, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> hostname, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> loginContextProperty, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> loginContextName) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Log in the current process using the given configuration keys for the |
| credential file and login principal. |
| |
| <p><strong>This is only applicable when running on secure hbase</strong> |
| On regular HBase (without security features), this will safely be ignored. |
| </p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>conf</code> - The configuration data to use</dd> |
| <dd><code>keytabFileKey</code> - Property key used to configure the path to the credential file</dd> |
| <dd><code>userNameKey</code> - Property key used to configure the login principal</dd> |
| <dd><code>hostname</code> - Current hostname to use in any credentials</dd> |
| <dd><code>loginContextProperty</code> - property name to expose the entry name</dd> |
| <dd><code>loginContextName</code> - jaas entry name</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - underlying exception from SecurityUtil.login() call</dd> |
| </dl> |
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| </ul> |
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| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.323">getParent</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> node)</pre> |
| <div class="block">Returns the full path of the immediate parent of the specified node.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>node</code> - path to get parent of</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>parent of path, null if passed the root node or an invalid node</dd> |
| </dl> |
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| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.333">getNodeName</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path)</pre> |
| <div class="block">Get the name of the current node from the specified fully-qualified path.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>path</code> - fully-qualified path</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>name of the current node</dd> |
| </dl> |
| </li> |
| </ul> |
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| <pre>public static boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.351">watchAndCheckExists</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Watch the specified znode for delete/create/change events. The watcher is |
| set whether or not the node exists. If the node already exists, the method |
| returns true. If the node does not exist, the method returns false.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node to watch</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if znode exists, false if does not exist or error</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </li> |
| </ul> |
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| <pre>public static boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.383">setWatchIfNodeExists</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Watch the specified znode, but only if exists. Useful when watching |
| for deletions. Uses .getData() (and handles NoNodeException) instead |
| of .exists() to accomplish this, as .getData() will only set a watch if |
| the znode exists.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node to watch</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if the watch is set, false if node does not exists</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="checkExists-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-"> |
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| <pre>public static int <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.405">checkExists</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Check if the specified node exists. Sets no watches.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node to watch</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>version of the node if it exists, -1 if does not exist</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="listChildrenAndWatchForNewChildren-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-"> |
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| <h4>listChildrenAndWatchForNewChildren</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.441">listChildrenAndWatchForNewChildren</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Lists the children znodes of the specified znode. Also sets a watch on |
| the specified znode which will capture a NodeDeleted event on the specified |
| znode as well as NodeChildrenChanged if any children of the specified znode |
| are created or deleted. |
| |
| Returns null if the specified node does not exist. Otherwise returns a |
| list of children of the specified node. If the node exists but it has no |
| children, an empty list will be returned.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node to list and watch children of</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>list of children of the specified node, an empty list if the node |
| exists but has no children, and null if the node does not exist</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="listChildrenAndWatchThem-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>listChildrenAndWatchThem</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.469">listChildrenAndWatchThem</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">List all the children of the specified znode, setting a watch for children |
| changes and also setting a watch on every individual child in order to get |
| the NodeCreated and NodeDeleted events.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zookeeper reference</dd> |
| <dd><code>znode</code> - node to get children of and watch</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>list of znode names, null if the node doesn't exist</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if a ZooKeeper operation fails</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="listChildrenNoWatch-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>listChildrenNoWatch</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.495">listChildrenNoWatch</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Lists the children of the specified znode without setting any watches. |
| |
| Sets no watches at all, this method is best effort. |
| |
| Returns an empty list if the node has no children. Returns null if the |
| parent node itself does not exist.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zookeeper reference</dd> |
| <dd><code>znode</code> - node to get children</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>list of data of children of specified znode, empty if no children, |
| null if parent does not exist</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="nodeHasChildren-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>nodeHasChildren</h4> |
| <pre>public static boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.552">nodeHasChildren</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Checks if the specified znode has any children. Sets no watches. |
| |
| Returns true if the node exists and has children. Returns false if the |
| node does not exist or if the node does not have any children. |
| |
| Used during master initialization to determine if the master is a |
| failed-over-to master or the first master during initial cluster startup. |
| If the directory for regionserver ephemeral nodes is empty then this is |
| a cluster startup, if not then it is not cluster startup.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node to check for children of</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if node has children, false if not or node does not exist</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getNumberOfChildren-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-"> |
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| </a> |
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| <h4>getNumberOfChildren</h4> |
| <pre>public static int <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.584">getNumberOfChildren</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Get the number of children of the specified node. |
| |
| If the node does not exist or has no children, returns 0. |
| |
| Sets no watches at all.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node to count children of</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>number of children of specified node, 0 if none or parent does not |
| exist</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getData-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>getData</h4> |
| <pre>public static byte[] <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.607">getData</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode) |
| throws org.apache.zookeeper.KeeperException, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre> |
| <div class="block">Get znode data. Does not set a watcher.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>ZNode data, null if the node does not exist or if there is an error.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getDataAndWatch-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-"> |
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| </a> |
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| <h4>getDataAndWatch</h4> |
| <pre>public static byte[] <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.635">getDataAndWatch</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Get the data at the specified znode and set a watch. |
| |
| Returns the data and sets a watch if the node exists. Returns null and no |
| watch is set if the node does not exist or there is an exception.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>data of the specified znode, or null</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getDataAndWatch-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-boolean-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>getDataAndWatch</h4> |
| <pre>public static byte[] <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.650">getDataAndWatch</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| boolean throwOnInterrupt) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Get the data at the specified znode and set a watch. |
| Returns the data and sets a watch if the node exists. Returns null and no |
| watch is set if the node does not exist or there is an exception.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node</dd> |
| <dd><code>throwOnInterrupt</code> - if false then just interrupt the thread, do not throw exception</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>data of the specified znode, or null</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getDataAndWatch-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-org.apache.zookeeper.data.Stat-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getDataAndWatch</h4> |
| <pre>public static byte[] <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.667">getDataAndWatch</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| org.apache.zookeeper.data.Stat stat) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Get the data at the specified znode and set a watch. |
| |
| Returns the data and sets a watch if the node exists. Returns null and no |
| watch is set if the node does not exist or there is an exception.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node</dd> |
| <dd><code>stat</code> - object to populate the version of the znode</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>data of the specified znode, or null</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getDataInternal-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-org.apache.zookeeper.data.Stat-boolean-boolean-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getDataInternal</h4> |
| <pre>private static byte[] <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.672">getDataInternal</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| org.apache.zookeeper.data.Stat stat, |
| boolean watcherSet, |
| boolean throwOnInterrupt) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getDataNoWatch-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-org.apache.zookeeper.data.Stat-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getDataNoWatch</h4> |
| <pre>public static byte[] <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.715">getDataNoWatch</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| org.apache.zookeeper.data.Stat stat) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Get the data at the specified znode without setting a watch. |
| |
| Returns the data if the node exists. Returns null if the node does not |
| exist. |
| |
| Sets the stats of the node in the passed Stat object. Pass a null stat if |
| not interested.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node</dd> |
| <dd><code>stat</code> - node status to get if node exists</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>data of the specified znode, or null if node does not exist</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getChildDataAndWatchForNewChildren-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>getChildDataAndWatchForNewChildren</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.NodeAndData.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.NodeAndData</a>> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.755">getChildDataAndWatchForNewChildren</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> baseNode) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> <span class="deprecationComment">Unused</span></div> |
| <div class="block">Returns the date of child znodes of the specified znode. Also sets a watch on |
| the specified znode which will capture a NodeDeleted event on the specified |
| znode as well as NodeChildrenChanged if any children of the specified znode |
| are created or deleted. |
| |
| Returns null if the specified node does not exist. Otherwise returns a |
| list of children of the specified node. If the node exists but it has no |
| children, an empty list will be returned.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>baseNode</code> - path of node to list and watch children of</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>list of data of children of the specified node, an empty list if the node |
| exists but has no children, and null if the node does not exist</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getChildDataAndWatchForNewChildren-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-boolean-"> |
| <!-- --> |
| </a> |
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| <h4>getChildDataAndWatchForNewChildren</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.NodeAndData.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.NodeAndData</a>> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.779">getChildDataAndWatchForNewChildren</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> baseNode, |
| boolean throwOnInterrupt) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> <span class="deprecationComment">Unused</span></div> |
| <div class="block">Returns the date of child znodes of the specified znode. Also sets a watch on |
| the specified znode which will capture a NodeDeleted event on the specified |
| znode as well as NodeChildrenChanged if any children of the specified znode |
| are created or deleted. |
| |
| Returns null if the specified node does not exist. Otherwise returns a |
| list of children of the specified node. If the node exists but it has no |
| children, an empty list will be returned.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>baseNode</code> - path of node to list and watch children of</dd> |
| <dd><code>throwOnInterrupt</code> - if true then just interrupt the thread, do not throw exception</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>list of data of children of the specified node, an empty list if the node |
| exists but has no children, and null if the node does not exist</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="updateExistingNodeData-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-byte:A-int-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>updateExistingNodeData</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.816">updateExistingNodeData</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| byte[] data, |
| int expectedVersion) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> <span class="deprecationComment">Unused</span></div> |
| <div class="block">Update the data of an existing node with the expected version to have the |
| specified data. |
| |
| Throws an exception if there is a version mismatch or some other problem. |
| |
| Sets no watches under any conditions.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - the path to the ZNode</dd> |
| <dd><code>data</code> - the data to store in ZooKeeper</dd> |
| <dd><code>expectedVersion</code> - the expected version</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| <dd><code>KeeperException.BadVersionException</code> - if version mismatch</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setData-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-byte:A-int-"> |
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| <ul class="blockList"> |
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| <h4>setData</h4> |
| <pre>public static boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.849">setData</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| byte[] data, |
| int expectedVersion) |
| throws org.apache.zookeeper.KeeperException, |
| org.apache.zookeeper.KeeperException.NoNodeException</pre> |
| <div class="block">Sets the data of the existing znode to be the specified data. Ensures that |
| the current data has the specified expected version. |
| |
| <p>If the node does not exist, a <code>KeeperException.NoNodeException</code> will be thrown. |
| |
| <p>If their is a version mismatch, method returns null. |
| |
| <p>No watches are set but setting data will trigger other watchers of this |
| node. |
| |
| <p>If there is another problem, a KeeperException will be thrown.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node</dd> |
| <dd><code>data</code> - data to set for node</dd> |
| <dd><code>expectedVersion</code> - version expected when setting data</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if data set, false if version mismatch</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| <dd><code>org.apache.zookeeper.KeeperException.NoNodeException</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="createSetData-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-byte:A-"> |
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| <h4>createSetData</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.869">createSetData</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| byte[] data) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Set data into node creating node if it doesn't yet exist. |
| Does not set watch.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node</dd> |
| <dd><code>data</code> - data to set for node</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if a ZooKeeper operation fails</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setData-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-byte:A-"> |
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| <h4>setData</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.894">setData</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| byte[] data) |
| throws org.apache.zookeeper.KeeperException, |
| org.apache.zookeeper.KeeperException.NoNodeException</pre> |
| <div class="block">Sets the data of the existing znode to be the specified data. The node |
| must exist but no checks are done on the existing data or version. |
| |
| <p>If the node does not exist, a <code>KeeperException.NoNodeException</code> will be thrown. |
| |
| <p>No watches are set but setting data will trigger other watchers of this |
| node. |
| |
| <p>If there is another problem, a KeeperException will be thrown.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node</dd> |
| <dd><code>data</code> - data to set for node</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| <dd><code>org.apache.zookeeper.KeeperException.NoNodeException</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setData-org.apache.hadoop.hbase.zookeeper.ZKWatcher-org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp.SetData-"> |
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| <h4>setData</h4> |
| <pre>private static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.899">setData</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.SetData.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp.SetData</a> setData) |
| throws org.apache.zookeeper.KeeperException, |
| org.apache.zookeeper.KeeperException.NoNodeException</pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| <dd><code>org.apache.zookeeper.KeeperException.NoNodeException</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isSecureZooKeeper-org.apache.hadoop.conf.Configuration-"> |
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| </a> |
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| <h4>isSecureZooKeeper</h4> |
| <pre>public static boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.910">isSecureZooKeeper</a>(org.apache.hadoop.conf.Configuration conf)</pre> |
| <div class="block">Returns whether or not secure authentication is enabled |
| (whether <code>hbase.security.authentication</code> is set to |
| <code>kerberos</code>.</div> |
| </li> |
| </ul> |
| <a name="createACL-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-"> |
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| </a> |
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| <h4>createACL</h4> |
| <pre>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a><org.apache.zookeeper.data.ACL> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.935">createACL</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> node)</pre> |
| </li> |
| </ul> |
| <a name="createACL-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-boolean-"> |
| <!-- --> |
| </a> |
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| <h4>createACL</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a><org.apache.zookeeper.data.ACL> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.939">createACL</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> node, |
| boolean isSecureZooKeeper)</pre> |
| </li> |
| </ul> |
| <a name="createEphemeralNodeAndWatch-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-byte:A-"> |
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| <h4>createEphemeralNodeAndWatch</h4> |
| <pre>public static boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1007">createEphemeralNodeAndWatch</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| byte[] data) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Set the specified znode to be an ephemeral node carrying the specified |
| data. |
| |
| If the node is created successfully, a watcher is also set on the node. |
| |
| If the node is not created successfully because it already exists, this |
| method will also set a watcher on the node. |
| |
| If there is another problem, a KeeperException will be thrown.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node</dd> |
| <dd><code>data</code> - data of node</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if node created, false if not, watch set in both cases</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="createNodeIfNotExistsAndWatch-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-byte:A-"> |
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| <h4>createNodeIfNotExistsAndWatch</h4> |
| <pre>public static boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1047">createNodeIfNotExistsAndWatch</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| byte[] data) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Creates the specified znode to be a persistent node carrying the specified |
| data. |
| |
| Returns true if the node was successfully created, false if the node |
| already existed. |
| |
| If the node is created successfully, a watcher is also set on the node. |
| |
| If the node is not created successfully because it already exists, this |
| method will also set a watcher on the node but return false. |
| |
| If there is another problem, a KeeperException will be thrown.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node</dd> |
| <dd><code>data</code> - data of node</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if node created, false if not, watch set in both cases</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="createNodeIfNotExistsNoWatch-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-byte:A-org.apache.zookeeper.CreateMode-"> |
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| <h4>createNodeIfNotExistsNoWatch</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1083">createNodeIfNotExistsNoWatch</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| byte[] data, |
| org.apache.zookeeper.CreateMode createMode) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Creates the specified znode with the specified data but does not watch it. |
| |
| Returns the znode of the newly created node |
| |
| If there is another problem, a KeeperException will be thrown.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node</dd> |
| <dd><code>data</code> - data of node</dd> |
| <dd><code>createMode</code> - specifying whether the node to be created is ephemeral and/or sequential</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true name of the newly created znode or null</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="createAndWatch-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-byte:A-"> |
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| <h4>createAndWatch</h4> |
| <pre>public static int <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1114">createAndWatch</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| byte[] data) |
| throws org.apache.zookeeper.KeeperException, |
| org.apache.zookeeper.KeeperException.NodeExistsException</pre> |
| <div class="block">Creates the specified node with the specified data and watches it. |
| |
| <p>Throws an exception if the node already exists. |
| |
| <p>The node created is persistent and open access. |
| |
| <p>Returns the version number of the created node if successful.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node to create</dd> |
| <dd><code>data</code> - data of node to create</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>version of node created</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| <dd><code>KeeperException.NodeExistsException</code> - if node already exists</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="asyncCreate-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-byte:A-org.apache.zookeeper.AsyncCallback.StringCallback-java.lang.Object-"> |
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| <h4>asyncCreate</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1147">asyncCreate</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| byte[] data, |
| org.apache.zookeeper.AsyncCallback.StringCallback cb, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> ctx)</pre> |
| <div class="block">Async creates the specified node with the specified data. |
| |
| <p>Throws an exception if the node already exists. |
| |
| <p>The node created is persistent and open access.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node to create</dd> |
| <dd><code>data</code> - data of node to create</dd> |
| <dd><code>cb</code> - the callback to use for the creation</dd> |
| <dd><code>ctx</code> - the context to use for the creation</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="createAndFailSilent-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-"> |
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| <h4>createAndFailSilent</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1164">createAndFailSilent</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Creates the specified node, iff the node does not exist. Does not set a |
| watch and fails silently if the node already exists. |
| |
| The node created is persistent and open access.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="createAndFailSilent-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-byte:A-"> |
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| <h4>createAndFailSilent</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1180">createAndFailSilent</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| byte[] data) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Creates the specified node containing specified data, iff the node does not exist. Does |
| not set a watch and fails silently if the node already exists. |
| |
| The node created is persistent and open access.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node</dd> |
| <dd><code>data</code> - a byte array data to store in the znode</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="createAndFailSilent-org.apache.hadoop.hbase.zookeeper.ZKWatcher-org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp.CreateAndFailSilent-"> |
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| <h4>createAndFailSilent</h4> |
| <pre>private static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1187">createAndFailSilent</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.CreateAndFailSilent.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp.CreateAndFailSilent</a> cafs) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="createWithParents-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>createWithParents</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1222">createWithParents</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Creates the specified node and all parent nodes required for it to exist. |
| |
| No watches are set and no errors are thrown if the node already exists. |
| |
| The nodes created are persistent and open access.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="createWithParents-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-byte:A-"> |
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| <h4>createWithParents</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1240">createWithParents</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| byte[] data) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Creates the specified node and all parent nodes required for it to exist. The creation of |
| parent znodes is not atomic with the leafe znode creation but the data is written atomically |
| when the leaf node is created. |
| |
| No watches are set and no errors are thrown if the node already exists. |
| |
| The nodes created are persistent and open access.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="deleteNode-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-"> |
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| <h4>deleteNode</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1265">deleteNode</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> node) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Delete the specified node. Sets no watches. Throws all exceptions.</div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="deleteNode-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-int-"> |
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| <h4>deleteNode</h4> |
| <pre>public static boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1274">deleteNode</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> node, |
| int version) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Delete the specified node with the specified version. Sets no watches. |
| Throws all exceptions.</div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="deleteNodeFailSilent-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-"> |
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| <h4>deleteNodeFailSilent</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1295">deleteNodeFailSilent</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> node) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Deletes the specified node. Fails silent if the node does not exist.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - reference to the <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper"><code>ZKWatcher</code></a> which also contains configuration and operation</dd> |
| <dd><code>node</code> - the node to delete</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if a ZooKeeper operation fails</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="deleteNodeFailSilent-org.apache.hadoop.hbase.zookeeper.ZKWatcher-org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp.DeleteNodeFailSilent-"> |
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| <h4>deleteNodeFailSilent</h4> |
| <pre>private static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1301">deleteNodeFailSilent</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.DeleteNodeFailSilent.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp.DeleteNodeFailSilent</a> dnfs) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="deleteNodeRecursively-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-"> |
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| <h4>deleteNodeRecursively</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1321">deleteNodeRecursively</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> node) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Delete the specified node and all of it's children. |
| <p> |
| If the node does not exist, just returns. |
| <p> |
| Sets no watches. Throws all exceptions besides dealing with deletion of |
| children.</div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="deleteChildrenRecursively-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-"> |
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| <h4>deleteChildrenRecursively</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1334">deleteChildrenRecursively</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> node) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Delete all the children of the specified node but not the node itself. |
| |
| Sets no watches. Throws all exceptions besides dealing with deletion of |
| children.</div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if a ZooKeeper operation fails</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="deleteChildrenRecursivelyMultiOrSequential-org.apache.hadoop.hbase.zookeeper.ZKWatcher-boolean-java.lang.String...-"> |
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| <h4>deleteChildrenRecursivelyMultiOrSequential</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1369">deleteChildrenRecursivelyMultiOrSequential</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| boolean runSequentialOnMultiFailure, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>... pathRoots) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Delete all the children of the specified node but not the node itself. This |
| will first traverse the znode tree for listing the children and then delete |
| these znodes using multi-update api or sequential based on the specified |
| configurations. |
| <p> |
| Sets no watches. Throws all exceptions besides dealing with deletion of |
| children. |
| <p> |
| If the following is true: |
| <ul> |
| <li>runSequentialOnMultiFailure is true |
| </ul> |
| on calling multi, we get a ZooKeeper exception that can be handled by a |
| sequential call(*), we retry the operations one-by-one (sequentially).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - - zk reference</dd> |
| <dd><code>runSequentialOnMultiFailure</code> - - if true when we get a ZooKeeper exception that could retry the |
| operations one-by-one (sequentially)</dd> |
| <dd><code>pathRoots</code> - - path of the parent node(s)</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>KeeperException.NotEmptyException</code> - if node has children while deleting</dd> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected ZooKeeper exception</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - if an invalid path is specified</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="deleteNodeRecursivelyMultiOrSequential-org.apache.hadoop.hbase.zookeeper.ZKWatcher-boolean-java.lang.String...-"> |
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| <h4>deleteNodeRecursivelyMultiOrSequential</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1417">deleteNodeRecursivelyMultiOrSequential</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| boolean runSequentialOnMultiFailure, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>... pathRoots) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Delete the specified node and its children. This traverse the |
| znode tree for listing the children and then delete |
| these znodes including the parent using multi-update api or |
| sequential based on the specified configurations. |
| <p> |
| Sets no watches. Throws all exceptions besides dealing with deletion of |
| children. |
| <p> |
| If the following is true: |
| <ul> |
| <li>runSequentialOnMultiFailure is true |
| </ul> |
| on calling multi, we get a ZooKeeper exception that can be handled by a |
| sequential call(*), we retry the operations one-by-one (sequentially).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - - zk reference</dd> |
| <dd><code>runSequentialOnMultiFailure</code> - - if true when we get a ZooKeeper exception that could retry the |
| operations one-by-one (sequentially)</dd> |
| <dd><code>pathRoots</code> - - path of the parent node(s)</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>KeeperException.NotEmptyException</code> - if node has children while deleting</dd> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected ZooKeeper exception</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - if an invalid path is specified</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="submitBatchedMultiOrSequential-org.apache.hadoop.hbase.zookeeper.ZKWatcher-boolean-java.util.List-"> |
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| <h4>submitBatchedMultiOrSequential</h4> |
| <pre>private static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1455">submitBatchedMultiOrSequential</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| boolean runSequentialOnMultiFailure, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a>> ops) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Chunks the provided <code>ops</code> when their approximate size exceeds the the configured limit. |
| Take caution that this can ONLY be used for operations where atomicity is not important, |
| e.g. deletions. It must not be used when atomicity of the operations is critical.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - reference to the <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper"><code>ZKWatcher</code></a> which contains configuration and constants</dd> |
| <dd><code>runSequentialOnMultiFailure</code> - if true when we get a ZooKeeper exception that could |
| retry the operations one-by-one (sequentially)</dd> |
| <dd><code>ops</code> - list of ZKUtilOp <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper"><code>ZKUtil.ZKUtilOp</code></a> to partition while submitting batched multi |
| or sequential</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - unexpected ZooKeeper Exception / Zookeeper unreachable</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="partitionOps-java.util.List-int-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>partitionOps</h4> |
| <pre>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a>>> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1473">partitionOps</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a>> ops, |
| int maxPartitionSize)</pre> |
| <div class="block">Partition the list of <code>ops</code> by size (using <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#estimateSize-org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp-"><code>estimateSize(ZKUtilOp)</code></a>).</div> |
| </li> |
| </ul> |
| <a name="estimateSize-org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp-"> |
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| </a> |
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| <h4>estimateSize</h4> |
| <pre>static int <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1500">estimateSize</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a> op)</pre> |
| </li> |
| </ul> |
| <a name="listChildrenBFSNoWatch-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-"> |
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| </a> |
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| <h4>listChildrenBFSNoWatch</h4> |
| <pre>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1517">listChildrenBFSNoWatch</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">BFS Traversal of all the children under path, with the entries in the list, |
| in the same order as that of the traversal. Lists all the children without |
| setting any watches.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - - zk reference</dd> |
| <dd><code>znode</code> - - path of node</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>list of children znodes under the path</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected ZooKeeper exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="listChildrenBFSAndWatchThem-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-"> |
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| <h4>listChildrenBFSAndWatchThem</h4> |
| <pre>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1553">listChildrenBFSAndWatchThem</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">BFS Traversal of all the children under path, with the entries in the list, |
| in the same order as that of the traversal. |
| Lists all the children and set watches on to them.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - - zk reference</dd> |
| <dd><code>znode</code> - - path of node</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>list of children znodes under the path</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected ZooKeeper exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="toZooKeeperOp-org.apache.hadoop.hbase.zookeeper.ZKWatcher-org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp-"> |
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| <pre>private static org.apache.zookeeper.Op <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1742">toZooKeeperOp</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a> op) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang">UnsupportedOperationException</a></pre> |
| <div class="block">Convert from ZKUtilOp to ZKOp</div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang">UnsupportedOperationException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="multiOrSequential-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.util.List-boolean-"> |
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| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1782">multiOrSequential</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a>> ops, |
| boolean runSequentialOnMultiFailure) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Use ZooKeeper's multi-update functionality. |
| |
| If all of the following are true: |
| - runSequentialOnMultiFailure is true |
| - on calling multi, we get a ZooKeeper exception that can be handled by a sequential call(*) |
| Then: |
| - we retry the operations one-by-one (sequentially) |
| |
| Note *: an example is receiving a NodeExistsException from a "create" call. Without multi, |
| a user could call "createAndFailSilent" to ensure that a node exists if they don't care who |
| actually created the node (i.e. the NodeExistsException from ZooKeeper is caught). |
| This will cause all operations in the multi to fail, however, because |
| the NodeExistsException that zk.create throws will fail the multi transaction. |
| In this case, if the previous conditions hold, the commands are run sequentially, which should |
| result in the correct final state, but means that the operations will not run atomically.</div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if a ZooKeeper operation fails</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="processSequentially-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.util.List-"> |
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| <h4>processSequentially</h4> |
| <pre>private static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1821">processSequentially</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a>> ops) |
| throws org.apache.zookeeper.KeeperException, |
| org.apache.zookeeper.KeeperException.NoNodeException</pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| <dd><code>org.apache.zookeeper.KeeperException.NoNodeException</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="dump-org.apache.hadoop.hbase.zookeeper.ZKWatcher-"> |
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| <h4>dump</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1842">dump</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw)</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>String dump of everything in ZooKeeper.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getReplicationZnodesDump-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.StringBuilder-"> |
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| <h4>getReplicationZnodesDump</h4> |
| <pre>private static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1913">getReplicationZnodesDump</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</a> sb) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Appends replication znodes to the passed StringBuilder.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - reference to the <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper"><code>ZKWatcher</code></a> which also contains configuration and operation</dd> |
| <dd><code>sb</code> - the <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang"><code>StringBuilder</code></a> to append to</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if a ZooKeeper operation fails</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="appendHFileRefsZNodes-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-java.lang.StringBuilder-"> |
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| <ul class="blockList"> |
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| <h4>appendHFileRefsZNodes</h4> |
| <pre>private static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1939">appendHFileRefsZNodes</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> hFileRefsZNode, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</a> sb) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getReplicationZnodesDump-org.apache.hadoop.hbase.zookeeper.ZKWatcher-"> |
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| <h4>getReplicationZnodesDump</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1961">getReplicationZnodesDump</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Returns a string with replication znodes and position of the replication log</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - reference to the <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper"><code>ZKWatcher</code></a> which also contains configuration and operation</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>aq string of replication znodes and log positions</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="appendRSZnodes-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-java.lang.StringBuilder-"> |
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| <h4>appendRSZnodes</h4> |
| <pre>private static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1967">appendRSZnodes</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</a> sb) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="appendPeersZnodes-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-java.lang.StringBuilder-"> |
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| <h4>appendPeersZnodes</h4> |
| <pre>private static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.1998">appendPeersZnodes</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> peersZnode, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</a> sb) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="appendPeerState-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-java.lang.StringBuilder-"> |
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| <ul class="blockList"> |
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| <h4>appendPeerState</h4> |
| <pre>private static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.2026">appendPeerState</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znodeToProcess, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</a> sb) |
| throws org.apache.zookeeper.KeeperException, |
| org.apache.hbase.thirdparty.com.google.protobuf.InvalidProtocolBufferException</pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| <dd><code>org.apache.hbase.thirdparty.com.google.protobuf.InvalidProtocolBufferException</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getServerStats-java.lang.String-int-"> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getServerStats</h4> |
| <pre>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[] <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.2062">getServerStats</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> server, |
| int timeout) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Gets the statistics from the given server.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>server</code> - The server to get the statistics from.</dd> |
| <dd><code>timeout</code> - The socket timeout to use.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The array of response strings.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - When the socket communication fails.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="logRetrievedMsg-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-byte:A-boolean-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>logRetrievedMsg</h4> |
| <pre>private static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.2100">logRetrievedMsg</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znode, |
| byte[] data, |
| boolean watcherSet)</pre> |
| </li> |
| </ul> |
| <a name="getServerNameOrEmptyString-byte:A-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getServerNameOrEmptyString</h4> |
| <pre>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.2117">getServerNameOrEmptyString</a>(byte[] data)</pre> |
| </li> |
| </ul> |
| <a name="waitForBaseZNode-org.apache.hadoop.conf.Configuration-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>waitForBaseZNode</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.2129">waitForBaseZNode</a>(org.apache.hadoop.conf.Configuration conf) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Waits for HBase installation's base (parent) znode to become available.</div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - on ZK errors</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="convert-org.apache.hadoop.hbase.exceptions.DeserializationException-"> |
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| <h4>convert</h4> |
| <pre>public static org.apache.zookeeper.KeeperException <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.2173">convert</a>(<a href="../../../../../org/apache/hadoop/hbase/exceptions/DeserializationException.html" title="class in org.apache.hadoop.hbase.exceptions">DeserializationException</a> e)</pre> |
| <div class="block">Convert a <a href="../../../../../org/apache/hadoop/hbase/exceptions/DeserializationException.html" title="class in org.apache.hadoop.hbase.exceptions"><code>DeserializationException</code></a> to a more palatable <code>KeeperException</code>. |
| Used when can't let a <a href="../../../../../org/apache/hadoop/hbase/exceptions/DeserializationException.html" title="class in org.apache.hadoop.hbase.exceptions"><code>DeserializationException</code></a> out w/o changing public API.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>e</code> - Exception to convert</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Converted exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="logZKTree-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-"> |
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| </a> |
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| <h4>logZKTree</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.2183">logZKTree</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> root)</pre> |
| <div class="block">Recursively print the current state of ZK (non-transactional)</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>root</code> - name of the root directory in zk to print</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="logZKTree-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-java.lang.String-"> |
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| </a> |
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| <h4>logZKTree</h4> |
| <pre>private static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.2203">logZKTree</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> root, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> prefix) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Helper method to print the current state of the ZK tree.</div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if an unexpected exception occurs</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html#logZKTree-org.apache.hadoop.hbase.zookeeper.ZKWatcher-java.lang.String-"><code>logZKTree(ZKWatcher, String)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="positionToByteArray-long-"> |
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| </a> |
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| <h4>positionToByteArray</h4> |
| <pre>public static byte[] <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.2223">positionToByteArray</a>(long position)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>position</code> - the position to serialize</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Serialized protobuf of <code>position</code> with pb magic prefix prepended suitable |
| for use as content of an wal position in a replication queue.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="parseWALPositionFrom-byte:A-"> |
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| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>parseWALPositionFrom</h4> |
| <pre>public static long <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line.2234">parseWALPositionFrom</a>(byte[] bytes) |
| throws <a href="../../../../../org/apache/hadoop/hbase/exceptions/DeserializationException.html" title="class in org.apache.hadoop.hbase.exceptions">DeserializationException</a></pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>bytes</code> - - Content of a WAL position znode.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>long - The current WAL position.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/exceptions/DeserializationException.html" title="class in org.apache.hadoop.hbase.exceptions">DeserializationException</a></code> - if the WAL position cannot be parsed</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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