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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.hadoop.hbase.zookeeper</a></div> |
| <h1 title="Class ZKUtil" class="title">Class ZKUtil</h1> |
| </div> |
| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a> |
| <div class="inheritance">org.apache.hadoop.hbase.zookeeper.ZKUtil</div> |
| </div> |
| <section class="class-description" id="class-description"> |
| <hr> |
| <div class="type-signature"><span class="annotations">@Private |
| </span><span class="modifiers">public final class </span><span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-64">ZKUtil</a></span> |
| <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></span></div> |
| <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> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- ======== NESTED CLASS SUMMARY ======== --> |
| <li> |
| <section class="nested-class-summary" id="nested-class-summary"> |
| <h2>Nested Class Summary</h2> |
| <div class="caption"><span>Nested Classes</span></div> |
| <div class="summary-table three-column-summary"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Class</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>static class </code></div> |
| <div class="col-second even-row-color"><code><a href="ZKUtil.NodeAndData.html" class="type-name-link" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.NodeAndData</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block"><span class="deprecated-label">Deprecated.</span> |
| <div class="deprecation-comment">Unused</div> |
| </div> |
| </div> |
| <div class="col-first odd-row-color"><code>static class </code></div> |
| <div class="col-second odd-row-color"><code><a href="ZKUtil.ZKUtilOp.html" class="type-name-link" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a></code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Represents an action taken by ZKUtil, e.g.</div> |
| </div> |
| </div> |
| </section> |
| </li> |
| <!-- =========== FIELD SUMMARY =========== --> |
| <li> |
| <section class="field-summary" id="field-summary"> |
| <h2>Field Summary</h2> |
| <div class="caption"><span>Fields</span></div> |
| <div class="summary-table three-column-summary"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Field</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>private static final org.slf4j.Logger</code></div> |
| <div class="col-second even-row-color"><code><a href="#LOG" class="member-name-link">LOG</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| <div class="col-first odd-row-color"><code>private static boolean</code></div> |
| <div class="col-second odd-row-color"><code><a href="#useMultiWarn" class="member-name-link">useMultiWarn</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| </div> |
| </section> |
| </li> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <li> |
| <section class="constructor-summary" id="constructor-summary"> |
| <h2>Constructor Summary</h2> |
| <div class="caption"><span>Constructors</span></div> |
| <div class="summary-table three-column-summary"> |
| <div class="table-header col-first">Modifier</div> |
| <div class="table-header col-second">Constructor</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>private </code></div> |
| <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">ZKUtil</a>()</code></div> |
| <div class="col-last even-row-color"> </div> |
| </div> |
| </section> |
| </li> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <li> |
| <section class="method-summary" id="method-summary"> |
| <h2>Method Summary</h2> |
| <div id="method-summary-table"> |
| <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button><button id="method-summary-table-tab6" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab6', 3)" class="table-tab">Deprecated Methods</button></div> |
| <div id="method-summary-table.tabpanel" role="tabpanel"> |
| <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#asyncCreate(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,byte%5B%5D,org.apache.zookeeper.AsyncCallback.StringCallback,java.lang.Object)" class="member-name-link">asyncCreate</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| byte[] data, |
| org.apache.zookeeper.AsyncCallback.StringCallback cb, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a> ctx)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Async creates the specified node with the specified data.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static int</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#checkExists(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)" class="member-name-link">checkExists</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Check if the specified node exists.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static org.apache.zookeeper.KeeperException</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#convert(org.apache.hadoop.hbase.exceptions.DeserializationException)" class="member-name-link">convert</a><wbr>(<a href="../exceptions/DeserializationException.html" title="class in org.apache.hadoop.hbase.exceptions">DeserializationException</a> e)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Convert a <a href="../exceptions/DeserializationException.html" title="class in org.apache.hadoop.hbase.exceptions"><code>DeserializationException</code></a> to a more palatable <code>KeeperException</code>.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#createAndFailSilent(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)" class="member-name-link">createAndFailSilent</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Creates the specified node, iff the node does not exist.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#createAndFailSilent(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,byte%5B%5D)" class="member-name-link">createAndFailSilent</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| byte[] data)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Creates the specified node containing specified data, iff the node does not exist.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>private static void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#createAndFailSilent(org.apache.hadoop.hbase.zookeeper.ZKWatcher,org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp.CreateAndFailSilent)" class="member-name-link">createAndFailSilent</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="ZKUtil.ZKUtilOp.CreateAndFailSilent.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp.CreateAndFailSilent</a> cafs)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static int</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#createAndWatch(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,byte%5B%5D)" class="member-name-link">createAndWatch</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| byte[] data)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Creates the specified node with the specified data and watches it.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#createEphemeralNodeAndWatch(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,byte%5B%5D)" class="member-name-link">createEphemeralNodeAndWatch</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| byte[] data)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Set the specified znode to be an ephemeral node carrying the specified data.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#createNodeIfNotExistsAndWatch(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,byte%5B%5D)" class="member-name-link">createNodeIfNotExistsAndWatch</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| byte[] data)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Creates the specified znode to be a persistent node carrying the specified data.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#createNodeIfNotExistsNoWatch(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,byte%5B%5D,org.apache.zookeeper.CreateMode)" class="member-name-link">createNodeIfNotExistsNoWatch</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| byte[] data, |
| org.apache.zookeeper.CreateMode createMode)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Creates the specified znode with the specified data but does not watch it.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#createSetData(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,byte%5B%5D)" class="member-name-link">createSetData</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| byte[] data)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Set data into node creating node if it doesn't yet exist.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#createWithParents(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)" class="member-name-link">createWithParents</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Creates the specified node and all parent nodes required for it to exist.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#createWithParents(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,byte%5B%5D)" class="member-name-link">createWithParents</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| byte[] data)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Creates the specified node and all parent nodes required for it to exist.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#deleteChildrenRecursively(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)" class="member-name-link">deleteChildrenRecursively</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> node)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Delete all the children of the specified node but not the node itself.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#deleteChildrenRecursivelyMultiOrSequential(org.apache.hadoop.hbase.zookeeper.ZKWatcher,boolean,java.lang.String...)" class="member-name-link">deleteChildrenRecursivelyMultiOrSequential</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| boolean runSequentialOnMultiFailure, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>... pathRoots)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Delete all the children of the specified node but not the node itself.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#deleteNode(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)" class="member-name-link">deleteNode</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> node)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Delete the specified node.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#deleteNode(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,int)" class="member-name-link">deleteNode</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> node, |
| int version)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Delete the specified node with the specified version.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#deleteNodeFailSilent(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)" class="member-name-link">deleteNodeFailSilent</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> node)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Deletes the specified node.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>private static void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#deleteNodeFailSilent(org.apache.hadoop.hbase.zookeeper.ZKWatcher,org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp.DeleteNodeFailSilent)" class="member-name-link">deleteNodeFailSilent</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="ZKUtil.ZKUtilOp.DeleteNodeFailSilent.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp.DeleteNodeFailSilent</a> dnfs)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#deleteNodeRecursively(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)" class="member-name-link">deleteNodeRecursively</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> node)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Delete the specified node and all of it's children.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#deleteNodeRecursivelyMultiOrSequential(org.apache.hadoop.hbase.zookeeper.ZKWatcher,boolean,java.lang.String...)" class="member-name-link">deleteNodeRecursivelyMultiOrSequential</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| boolean runSequentialOnMultiFailure, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>... pathRoots)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Delete the specified node and its children.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>(package private) static int</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#estimateSize(org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp)" class="member-name-link">estimateSize</a><wbr>(<a href="ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a> op)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4 method-summary-table-tab6"><code>static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="ZKUtil.NodeAndData.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.NodeAndData</a>></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4 method-summary-table-tab6"><code><a href="#getChildDataAndWatchForNewChildren(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)" class="member-name-link">getChildDataAndWatchForNewChildren</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> baseNode)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4 method-summary-table-tab6"> |
| <div class="block"><span class="deprecated-label">Deprecated.</span> |
| <div class="deprecation-comment">Unused</div> |
| </div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4 method-summary-table-tab6"><code>static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="ZKUtil.NodeAndData.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.NodeAndData</a>></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4 method-summary-table-tab6"><code><a href="#getChildDataAndWatchForNewChildren(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,boolean)" class="member-name-link">getChildDataAndWatchForNewChildren</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> baseNode, |
| boolean throwOnInterrupt)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4 method-summary-table-tab6"> |
| <div class="block"><span class="deprecated-label">Deprecated.</span> |
| <div class="deprecation-comment">Unused</div> |
| </div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static byte[]</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#getData(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)" class="member-name-link">getData</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Get znode data.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static byte[]</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#getDataAndWatch(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)" class="member-name-link">getDataAndWatch</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Get the data at the specified znode and set a watch.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static byte[]</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#getDataAndWatch(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,boolean)" class="member-name-link">getDataAndWatch</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| boolean throwOnInterrupt)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Get the data at the specified znode and set a watch.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static byte[]</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#getDataAndWatch(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,org.apache.zookeeper.data.Stat)" class="member-name-link">getDataAndWatch</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| org.apache.zookeeper.data.Stat stat)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Get the data at the specified znode and set a watch.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>private static byte[]</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#getDataInternal(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,org.apache.zookeeper.data.Stat,boolean,boolean)" class="member-name-link">getDataInternal</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| org.apache.zookeeper.data.Stat stat, |
| boolean watcherSet, |
| boolean throwOnInterrupt)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static byte[]</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#getDataNoWatch(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,org.apache.zookeeper.data.Stat)" class="member-name-link">getDataNoWatch</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| org.apache.zookeeper.data.Stat stat)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Get the data at the specified znode without setting a watch.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#getNodeName(java.lang.String)" class="member-name-link">getNodeName</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> path)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Get the name of the current node from the specified fully-qualified path.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static int</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#getNumberOfChildren(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)" class="member-name-link">getNumberOfChildren</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Get the number of children of the specified node.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#getParent(java.lang.String)" class="member-name-link">getParent</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> node)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Returns the full path of the immediate parent of the specified node.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>private static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#getServerNameOrEmptyString(byte%5B%5D)" class="member-name-link">getServerNameOrEmptyString</a><wbr>(byte[] data)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#listChildrenAndWatchForNewChildren(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)" class="member-name-link">listChildrenAndWatchForNewChildren</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Lists the children znodes of the specified znode.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#listChildrenAndWatchThem(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)" class="member-name-link">listChildrenAndWatchThem</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <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> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>private static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#listChildrenBFSAndWatchThem(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)" class="member-name-link">listChildrenBFSAndWatchThem</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <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> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>private static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#listChildrenBFSNoWatch(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)" class="member-name-link">listChildrenBFSNoWatch</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <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> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#listChildrenNoWatch(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)" class="member-name-link">listChildrenNoWatch</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Lists the children of the specified znode without setting any watches.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>private static void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#logRetrievedMsg(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,byte%5B%5D,boolean)" class="member-name-link">logRetrievedMsg</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| byte[] data, |
| boolean watcherSet)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#logZKTree(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)" class="member-name-link">logZKTree</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> root)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Recursively print the current state of ZK (non-transactional)</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>private static void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#logZKTree(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,java.lang.String)" class="member-name-link">logZKTree</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> root, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> prefix)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Helper method to print the current state of the ZK tree.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#multiOrSequential(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.util.List,boolean)" class="member-name-link">multiOrSequential</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a>> ops, |
| boolean runSequentialOnMultiFailure)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Use ZooKeeper's multi-update functionality.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#nodeHasChildren(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)" class="member-name-link">nodeHasChildren</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Checks if the specified znode has any children.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static long</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#parseWALPositionFrom(byte%5B%5D)" class="member-name-link">parseWALPositionFrom</a><wbr>(byte[] bytes)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>(package private) static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a>>></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#partitionOps(java.util.List,int)" class="member-name-link">partitionOps</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a>> ops, |
| int maxPartitionSize)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Partition the list of <code>ops</code> by size (using <a href="#estimateSize(org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp)"><code>estimateSize(ZKUtilOp)</code></a>).</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static byte[]</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#positionToByteArray(long)" class="member-name-link">positionToByteArray</a><wbr>(long position)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>private static void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#processSequentially(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.util.List)" class="member-name-link">processSequentially</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a>> ops)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#setData(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,byte%5B%5D)" class="member-name-link">setData</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| byte[] data)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Sets the data of the existing znode to be the specified data.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#setData(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,byte%5B%5D,int)" class="member-name-link">setData</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| byte[] data, |
| int expectedVersion)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Sets the data of the existing znode to be the specified data.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>private static void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#setData(org.apache.hadoop.hbase.zookeeper.ZKWatcher,org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp.SetData)" class="member-name-link">setData</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="ZKUtil.ZKUtilOp.SetData.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp.SetData</a> setData)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#setWatchIfNodeExists(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)" class="member-name-link">setWatchIfNodeExists</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Watch the specified znode, but only if exists.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>private static void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#submitBatchedMultiOrSequential(org.apache.hadoop.hbase.zookeeper.ZKWatcher,boolean,java.util.List)" class="member-name-link">submitBatchedMultiOrSequential</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| boolean runSequentialOnMultiFailure, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a>> ops)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Chunks the provided <code>ops</code> when their approximate size exceeds the the configured limit.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>private static org.apache.zookeeper.Op</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#toZooKeeperOp(org.apache.hadoop.hbase.zookeeper.ZKWatcher,org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp)" class="member-name-link">toZooKeeperOp</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a> op)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Convert from ZKUtilOp to ZKOp</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4 method-summary-table-tab6"><code>static void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4 method-summary-table-tab6"><code><a href="#updateExistingNodeData(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,byte%5B%5D,int)" class="member-name-link">updateExistingNodeData</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| byte[] data, |
| int expectedVersion)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4 method-summary-table-tab6"> |
| <div class="block"><span class="deprecated-label">Deprecated.</span> |
| <div class="deprecation-comment">Unused</div> |
| </div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#waitForBaseZNode(org.apache.hadoop.conf.Configuration)" class="member-name-link">waitForBaseZNode</a><wbr>(org.apache.hadoop.conf.Configuration conf)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Waits for HBase installation's base (parent) znode to become available.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#watchAndCheckExists(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)" class="member-name-link">watchAndCheckExists</a><wbr>(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Watch the specified znode for delete/create/change events.</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <li> |
| <section class="field-details" id="field-detail"> |
| <h2>Field Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="LOG"> |
| <h3>LOG</h3> |
| <div class="member-signature"><span class="modifiers">private static final</span> <span class="return-type">org.slf4j.Logger</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-66">LOG</a></span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="useMultiWarn"> |
| <h3>useMultiWarn</h3> |
| <div class="member-signature"><span class="modifiers">private static</span> <span class="return-type">boolean</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-1281">useMultiWarn</a></span></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <li> |
| <section class="constructor-details" id="constructor-detail"> |
| <h2>Constructor Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="<init>()"> |
| <h3>ZKUtil</h3> |
| <div class="member-signature"><span class="modifiers">private</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-68">ZKUtil</a></span>()</div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="getParent(java.lang.String)"> |
| <h3>getParent</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-79">getParent</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> node)</span></div> |
| <div class="block">Returns the full path of the immediate parent of the specified node.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>node</code> - path to get parent of</dd> |
| <dt>Returns:</dt> |
| <dd>parent of path, null if passed the root node or an invalid node</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getNodeName(java.lang.String)"> |
| <h3>getNodeName</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-89">getNodeName</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> path)</span></div> |
| <div class="block">Get the name of the current node from the specified fully-qualified path.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>path</code> - fully-qualified path</dd> |
| <dt>Returns:</dt> |
| <dd>name of the current node</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="watchAndCheckExists(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)"> |
| <h3>watchAndCheckExists</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">boolean</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-106">watchAndCheckExists</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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 class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node to watch</dd> |
| <dt>Returns:</dt> |
| <dd>true if znode exists, false if does not exist or error</dd> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="setWatchIfNodeExists(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)"> |
| <h3>setWatchIfNodeExists</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">boolean</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-136">setWatchIfNodeExists</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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 class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node to watch</dd> |
| <dt>Returns:</dt> |
| <dd>true if the watch is set, false if node does not exists</dd> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="checkExists(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)"> |
| <h3>checkExists</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">int</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-156">checkExists</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <div class="block">Check if the specified node exists. Sets no watches.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node to watch</dd> |
| <dt>Returns:</dt> |
| <dd>version of the node if it exists, -1 if does not exist</dd> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="listChildrenAndWatchForNewChildren(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)"> |
| <h3>listChildrenAndWatchForNewChildren</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-187">listChildrenAndWatchForNewChildren</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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 class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node to list and watch children of</dd> |
| <dt>Returns:</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>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="listChildrenAndWatchThem(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)"> |
| <h3>listChildrenAndWatchThem</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-214">listChildrenAndWatchThem</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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 class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>zkw</code> - zookeeper reference</dd> |
| <dd><code>znode</code> - node to get children of and watch</dd> |
| <dt>Returns:</dt> |
| <dd>list of znode names, null if the node doesn't exist</dd> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if a ZooKeeper operation fails</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="listChildrenNoWatch(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)"> |
| <h3>listChildrenNoWatch</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-236">listChildrenNoWatch</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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 class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>zkw</code> - zookeeper reference</dd> |
| <dd><code>znode</code> - node to get children</dd> |
| <dt>Returns:</dt> |
| <dd>list of data of children of specified znode, empty if no children, null if parent does |
| not exist</dd> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="nodeHasChildren(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)"> |
| <h3>nodeHasChildren</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">boolean</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-293">nodeHasChildren</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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 class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node to check for children of</dd> |
| <dt>Returns:</dt> |
| <dd>true if node has children, false if not or node does not exist</dd> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getNumberOfChildren(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)"> |
| <h3>getNumberOfChildren</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">int</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-319">getNumberOfChildren</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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 class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node to count children of</dd> |
| <dt>Returns:</dt> |
| <dd>number of children of specified node, 0 if none or parent does not exist</dd> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getData(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)"> |
| <h3>getData</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">byte[]</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-340">getData</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/InterruptedException.html" title="class or interface in java.lang" class="external-link">InterruptedException</a></span></div> |
| <div class="block">Get znode data. Does not set a watcher.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>ZNode data, null if the node does not exist or if there is an error.</dd> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/InterruptedException.html" title="class or interface in java.lang" class="external-link">InterruptedException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getDataAndWatch(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)"> |
| <h3>getDataAndWatch</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">byte[]</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-366">getDataAndWatch</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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 class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node</dd> |
| <dt>Returns:</dt> |
| <dd>data of the specified znode, or null</dd> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getDataAndWatch(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,boolean)"> |
| <h3>getDataAndWatch</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">byte[]</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-380">getDataAndWatch</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| boolean throwOnInterrupt)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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 class="notes"> |
| <dt>Parameters:</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>Returns:</dt> |
| <dd>data of the specified znode, or null</dd> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getDataAndWatch(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,org.apache.zookeeper.data.Stat)"> |
| <h3>getDataAndWatch</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">byte[]</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-395">getDataAndWatch</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| org.apache.zookeeper.data.Stat stat)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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 class="notes"> |
| <dt>Parameters:</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>Returns:</dt> |
| <dd>data of the specified znode, or null</dd> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getDataInternal(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,org.apache.zookeeper.data.Stat,boolean,boolean)"> |
| <h3>getDataInternal</h3> |
| <div class="member-signature"><span class="modifiers">private static</span> <span class="return-type">byte[]</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-400">getDataInternal</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| org.apache.zookeeper.data.Stat stat, |
| boolean watcherSet, |
| boolean throwOnInterrupt)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getDataNoWatch(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,org.apache.zookeeper.data.Stat)"> |
| <h3>getDataNoWatch</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">byte[]</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-437">getDataNoWatch</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| org.apache.zookeeper.data.Stat stat)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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 class="notes"> |
| <dt>Parameters:</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>Returns:</dt> |
| <dd>data of the specified znode, or null if node does not exist</dd> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getChildDataAndWatchForNewChildren(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)"> |
| <h3>getChildDataAndWatchForNewChildren</h3> |
| <div class="member-signature"><span class="annotations"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Deprecated.html" title="class or interface in java.lang" class="external-link">@Deprecated</a> |
| </span><span class="modifiers">public static</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="ZKUtil.NodeAndData.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.NodeAndData</a>></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-471">getChildDataAndWatchForNewChildren</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> baseNode)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <div class="deprecation-block"><span class="deprecated-label">Deprecated.</span> |
| <div class="deprecation-comment">Unused</div> |
| </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 class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>baseNode</code> - path of node to list and watch children of</dd> |
| <dt>Returns:</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>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getChildDataAndWatchForNewChildren(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,boolean)"> |
| <h3>getChildDataAndWatchForNewChildren</h3> |
| <div class="member-signature"><span class="annotations"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Deprecated.html" title="class or interface in java.lang" class="external-link">@Deprecated</a> |
| </span><span class="modifiers">public static</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="ZKUtil.NodeAndData.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.NodeAndData</a>></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-491">getChildDataAndWatchForNewChildren</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> baseNode, |
| boolean throwOnInterrupt)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <div class="deprecation-block"><span class="deprecated-label">Deprecated.</span> |
| <div class="deprecation-comment">Unused</div> |
| </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 class="notes"> |
| <dt>Parameters:</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>Returns:</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>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="updateExistingNodeData(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,byte[],int)"> |
| <h3>updateExistingNodeData</h3> |
| <div class="member-signature"><span class="annotations"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Deprecated.html" title="class or interface in java.lang" class="external-link">@Deprecated</a> |
| </span><span class="modifiers">public static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-523">updateExistingNodeData</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| byte[] data, |
| int expectedVersion)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <div class="deprecation-block"><span class="deprecated-label">Deprecated.</span> |
| <div class="deprecation-comment">Unused</div> |
| </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 class="notes"> |
| <dt>Parameters:</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>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| <dd><code>org.apache.zookeeper.KeeperException.BadVersionException</code> - if version mismatch</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="setData(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,byte[],int)"> |
| <h3>setData</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">boolean</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-555">setData</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| byte[] data, |
| int expectedVersion)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException, |
| org.apache.zookeeper.KeeperException.NoNodeException</span></div> |
| <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 class="notes"> |
| <dt>Parameters:</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>Returns:</dt> |
| <dd>true if data set, false if version mismatch</dd> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| <dd><code>org.apache.zookeeper.KeeperException.NoNodeException</code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="createSetData(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,byte[])"> |
| <h3>createSetData</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-572">createSetData</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| byte[] data)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <div class="block">Set data into node creating node if it doesn't yet exist. Does not set watch.</div> |
| <dl class="notes"> |
| <dt>Parameters:</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>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if a ZooKeeper operation fails</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="setData(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,byte[])"> |
| <h3>setData</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-595">setData</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| byte[] data)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException, |
| org.apache.zookeeper.KeeperException.NoNodeException</span></div> |
| <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 class="notes"> |
| <dt>Parameters:</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>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| <dd><code>org.apache.zookeeper.KeeperException.NoNodeException</code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="setData(org.apache.hadoop.hbase.zookeeper.ZKWatcher,org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp.SetData)"> |
| <h3>setData</h3> |
| <div class="member-signature"><span class="modifiers">private static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-600">setData</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="ZKUtil.ZKUtilOp.SetData.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp.SetData</a> setData)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException, |
| org.apache.zookeeper.KeeperException.NoNodeException</span></div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| <dd><code>org.apache.zookeeper.KeeperException.NoNodeException</code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="createEphemeralNodeAndWatch(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,byte[])"> |
| <h3>createEphemeralNodeAndWatch</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">boolean</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-621">createEphemeralNodeAndWatch</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| byte[] data)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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 class="notes"> |
| <dt>Parameters:</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>Returns:</dt> |
| <dd>true if node created, false if not, watch set in both cases</dd> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="createNodeIfNotExistsAndWatch(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,byte[])"> |
| <h3>createNodeIfNotExistsAndWatch</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">boolean</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-651">createNodeIfNotExistsAndWatch</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| byte[] data)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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 class="notes"> |
| <dt>Parameters:</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>Returns:</dt> |
| <dd>true if node created, false if not, watch set in both cases</dd> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="createNodeIfNotExistsNoWatch(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,byte[],org.apache.zookeeper.CreateMode)"> |
| <h3>createNodeIfNotExistsNoWatch</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-682">createNodeIfNotExistsNoWatch</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| byte[] data, |
| org.apache.zookeeper.CreateMode createMode)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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 class="notes"> |
| <dt>Parameters:</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>Returns:</dt> |
| <dd>true name of the newly created znode or null</dd> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="createAndWatch(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,byte[])"> |
| <h3>createAndWatch</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">int</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-709">createAndWatch</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| byte[] data)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException, |
| org.apache.zookeeper.KeeperException.NodeExistsException</span></div> |
| <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 class="notes"> |
| <dt>Parameters:</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>Returns:</dt> |
| <dd>version of node created</dd> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| <dd><code>org.apache.zookeeper.KeeperException.NodeExistsException</code> - if node already exists</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="asyncCreate(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,byte[],org.apache.zookeeper.AsyncCallback.StringCallback,java.lang.Object)"> |
| <h3>asyncCreate</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-740">asyncCreate</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| byte[] data, |
| org.apache.zookeeper.AsyncCallback.StringCallback cb, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a> ctx)</span></div> |
| <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 class="notes"> |
| <dt>Parameters:</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> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="createAndFailSilent(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)"> |
| <h3>createAndFailSilent</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-753">createAndFailSilent</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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 class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node</dd> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="createAndFailSilent(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,byte[])"> |
| <h3>createAndFailSilent</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-766">createAndFailSilent</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| byte[] data)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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 class="notes"> |
| <dt>Parameters:</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>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="createAndFailSilent(org.apache.hadoop.hbase.zookeeper.ZKWatcher,org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp.CreateAndFailSilent)"> |
| <h3>createAndFailSilent</h3> |
| <div class="member-signature"><span class="modifiers">private static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-771">createAndFailSilent</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="ZKUtil.ZKUtilOp.CreateAndFailSilent.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp.CreateAndFailSilent</a> cafs)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="createWithParents(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)"> |
| <h3>createWithParents</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-804">createWithParents</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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 class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node</dd> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="createWithParents(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,byte[])"> |
| <h3>createWithParents</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-817">createWithParents</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| byte[] data)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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 class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>zkw</code> - zk reference</dd> |
| <dd><code>znode</code> - path of node</dd> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if unexpected zookeeper exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="deleteNode(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)"> |
| <h3>deleteNode</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-842">deleteNode</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> node)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <div class="block">Delete the specified node. Sets no watches. Throws all exceptions.</div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="deleteNode(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,int)"> |
| <h3>deleteNode</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">boolean</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-849">deleteNode</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> node, |
| int version)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <div class="block">Delete the specified node with the specified version. Sets no watches. Throws all exceptions.</div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="deleteNodeFailSilent(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)"> |
| <h3>deleteNodeFailSilent</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-867">deleteNodeFailSilent</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> node)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <div class="block">Deletes the specified node. Fails silent if the node does not exist.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>zkw</code> - reference to the <a href="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>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if a ZooKeeper operation fails</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="deleteNodeFailSilent(org.apache.hadoop.hbase.zookeeper.ZKWatcher,org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp.DeleteNodeFailSilent)"> |
| <h3>deleteNodeFailSilent</h3> |
| <div class="member-signature"><span class="modifiers">private static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-871">deleteNodeFailSilent</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="ZKUtil.ZKUtilOp.DeleteNodeFailSilent.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp.DeleteNodeFailSilent</a> dnfs)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="deleteNodeRecursively(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)"> |
| <h3>deleteNodeRecursively</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-889">deleteNodeRecursively</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> node)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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 class="notes"> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="deleteChildrenRecursively(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)"> |
| <h3>deleteChildrenRecursively</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-898">deleteChildrenRecursively</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> node)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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 class="notes"> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if a ZooKeeper operation fails</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="deleteChildrenRecursivelyMultiOrSequential(org.apache.hadoop.hbase.zookeeper.ZKWatcher,boolean,java.lang.String...)"> |
| <h3>deleteChildrenRecursivelyMultiOrSequential</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-920">deleteChildrenRecursivelyMultiOrSequential</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| boolean runSequentialOnMultiFailure, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>... pathRoots)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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). - zk reference - if true when we get a |
| ZooKeeper exception that could retry the operations one-by-one (sequentially) - path of the |
| parent node(s)</div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException.NotEmptyException</code> - if node has children while deleting if unexpected |
| ZooKeeper exception if an invalid path is specified</dd> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="deleteNodeRecursivelyMultiOrSequential(org.apache.hadoop.hbase.zookeeper.ZKWatcher,boolean,java.lang.String...)"> |
| <h3>deleteNodeRecursivelyMultiOrSequential</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-955">deleteNodeRecursivelyMultiOrSequential</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| boolean runSequentialOnMultiFailure, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>... pathRoots)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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). - zk reference - if true when we get a |
| ZooKeeper exception that could retry the operations one-by-one (sequentially) - path of the |
| parent node(s)</div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException.NotEmptyException</code> - if node has children while deleting if unexpected |
| ZooKeeper exception if an invalid path is specified</dd> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="submitBatchedMultiOrSequential(org.apache.hadoop.hbase.zookeeper.ZKWatcher,boolean,java.util.List)"> |
| <h3>submitBatchedMultiOrSequential</h3> |
| <div class="member-signature"><span class="modifiers">private static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-993">submitBatchedMultiOrSequential</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| boolean runSequentialOnMultiFailure, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a>> ops)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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 class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>zkw</code> - reference to the <a href="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="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>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - unexpected ZooKeeper Exception / Zookeeper unreachable</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="partitionOps(java.util.List,int)"> |
| <h3>partitionOps</h3> |
| <div class="member-signature"><span class="modifiers">static</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a>>></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-1011">partitionOps</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a>> ops, |
| int maxPartitionSize)</span></div> |
| <div class="block">Partition the list of <code>ops</code> by size (using <a href="#estimateSize(org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp)"><code>estimateSize(ZKUtilOp)</code></a>).</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="estimateSize(org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp)"> |
| <h3>estimateSize</h3> |
| <div class="member-signature"><span class="modifiers">static</span> <span class="return-type">int</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-1038">estimateSize</a></span><wbr><span class="parameters">(<a href="ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a> op)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="listChildrenBFSNoWatch(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)"> |
| <h3>listChildrenBFSNoWatch</h3> |
| <div class="member-signature"><span class="modifiers">private static</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-1048">listChildrenBFSNoWatch</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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. - zk reference - |
| path of node</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>list of children znodes under the path if unexpected ZooKeeper exception</dd> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="listChildrenBFSAndWatchThem(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)"> |
| <h3>listChildrenBFSAndWatchThem</h3> |
| <div class="member-signature"><span class="modifiers">private static</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-1077">listChildrenBFSAndWatchThem</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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. - zk reference - |
| path of node</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>list of children znodes under the path if unexpected ZooKeeper exception</dd> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="toZooKeeperOp(org.apache.hadoop.hbase.zookeeper.ZKWatcher,org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp)"> |
| <h3>toZooKeeperOp</h3> |
| <div class="member-signature"><span class="modifiers">private static</span> <span class="return-type">org.apache.zookeeper.Op</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-1256">toZooKeeperOp</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a> op)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/UnsupportedOperationException.html" title="class or interface in java.lang" class="external-link">UnsupportedOperationException</a></span></div> |
| <div class="block">Convert from ZKUtilOp to ZKOp</div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/UnsupportedOperationException.html" title="class or interface in java.lang" class="external-link">UnsupportedOperationException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="multiOrSequential(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.util.List,boolean)"> |
| <h3>multiOrSequential</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-1296">multiOrSequential</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a>> ops, |
| boolean runSequentialOnMultiFailure)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <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 class="notes"> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if a ZooKeeper operation fails</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="processSequentially(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.util.List)"> |
| <h3>processSequentially</h3> |
| <div class="member-signature"><span class="modifiers">private static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-1338">processSequentially</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="ZKUtil.ZKUtilOp.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKUtil.ZKUtilOp</a>> ops)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException, |
| org.apache.zookeeper.KeeperException.NoNodeException</span></div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| <dd><code>org.apache.zookeeper.KeeperException.NoNodeException</code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="logRetrievedMsg(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,byte[],boolean)"> |
| <h3>logRetrievedMsg</h3> |
| <div class="member-signature"><span class="modifiers">private static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-1358">logRetrievedMsg</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> znode, |
| byte[] data, |
| boolean watcherSet)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getServerNameOrEmptyString(byte[])"> |
| <h3>getServerNameOrEmptyString</h3> |
| <div class="member-signature"><span class="modifiers">private static</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-1374">getServerNameOrEmptyString</a></span><wbr><span class="parameters">(byte[] data)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="waitForBaseZNode(org.apache.hadoop.conf.Configuration)"> |
| <h3>waitForBaseZNode</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-1386">waitForBaseZNode</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration conf)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <div class="block">Waits for HBase installation's base (parent) znode to become available.</div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code> - on ZK errors</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="convert(org.apache.hadoop.hbase.exceptions.DeserializationException)"> |
| <h3>convert</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">org.apache.zookeeper.KeeperException</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-1430">convert</a></span><wbr><span class="parameters">(<a href="../exceptions/DeserializationException.html" title="class in org.apache.hadoop.hbase.exceptions">DeserializationException</a> e)</span></div> |
| <div class="block">Convert a <a href="../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="../exceptions/DeserializationException.html" title="class in org.apache.hadoop.hbase.exceptions"><code>DeserializationException</code></a> out w/o changing public API.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>e</code> - Exception to convert</dd> |
| <dt>Returns:</dt> |
| <dd>Converted exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="logZKTree(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)"> |
| <h3>logZKTree</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-1440">logZKTree</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> root)</span></div> |
| <div class="block">Recursively print the current state of ZK (non-transactional)</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>root</code> - name of the root directory in zk to print</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="logZKTree(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String,java.lang.String)"> |
| <h3>logZKTree</h3> |
| <div class="member-signature"><span class="modifiers">private static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-1460">logZKTree</a></span><wbr><span class="parameters">(<a href="ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> root, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> prefix)</span> |
| throws <span class="exceptions">org.apache.zookeeper.KeeperException</span></div> |
| <div class="block">Helper method to print the current state of the ZK tree.</div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if an unexpected exception occurs</dd> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list-long"> |
| <li><a href="#logZKTree(org.apache.hadoop.hbase.zookeeper.ZKWatcher,java.lang.String)"><code>logZKTree(ZKWatcher, String)</code></a></li> |
| </ul> |
| </dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="positionToByteArray(long)"> |
| <h3>positionToByteArray</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">byte[]</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-1479">positionToByteArray</a></span><wbr><span class="parameters">(long position)</span></div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>position</code> - the position to serialize</dd> |
| <dt>Returns:</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> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="parseWALPositionFrom(byte[])"> |
| <h3>parseWALPositionFrom</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">long</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.html#line-1490">parseWALPositionFrom</a></span><wbr><span class="parameters">(byte[] bytes)</span> |
| throws <span class="exceptions"><a href="../exceptions/DeserializationException.html" title="class in org.apache.hadoop.hbase.exceptions">DeserializationException</a></span></div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>bytes</code> - - Content of a WAL position znode.</dd> |
| <dt>Returns:</dt> |
| <dd>long - The current WAL position.</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../exceptions/DeserializationException.html" title="class in org.apache.hadoop.hbase.exceptions">DeserializationException</a></code> - if the WAL position cannot be parsed</dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
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