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| <div class="subTitle">org.apache.hadoop.hbase.zookeeper</div> |
| <h2 title="Class MetaTableLocator" class="title">Class MetaTableLocator</h2> |
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| <div class="contentContainer"> |
| <ul class="inheritance"> |
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| <li>org.apache.hadoop.hbase.zookeeper.MetaTableLocator</li> |
| </ul> |
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| <div class="description"> |
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| <br> |
| <pre>@InterfaceAudience.Private |
| public final class <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#line.54">MetaTableLocator</a> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block">Utility class to perform operation (get/wait for/verify/set/delete) on znode in ZooKeeper which |
| keeps hbase:meta region server location. |
| <p/> |
| Stateless class with a bunch of static methods. Doesn't manage resources passed in (e.g. |
| Connection, ZKWatcher etc). |
| <p/> |
| Meta region location is set by <code>RegionServerServices</code>. This class doesn't use ZK |
| watchers, rather accesses ZK directly. |
| <p/> |
| TODO: rewrite using RPC calls to master to find out about hbase:meta.</div> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static org.slf4j.Logger</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#LOG">LOG</a></span></code> </td> |
| </tr> |
| </table> |
| </li> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier</th> |
| <th class="colLast" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#MetaTableLocator--">MetaTableLocator</a></span>()</code> </td> |
| </tr> |
| </table> |
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| <!-- ========== METHOD SUMMARY =========== --> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#blockUntilAvailable-org.apache.hadoop.hbase.zookeeper.ZKWatcher-int-long-">blockUntilAvailable</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| int replicaId, |
| long timeout)</code> |
| <div class="block">Wait until the meta region is available and is not in transition.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#blockUntilAvailable-org.apache.hadoop.hbase.zookeeper.ZKWatcher-long-">blockUntilAvailable</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| long timeout)</code> |
| <div class="block">Wait until the meta region is available and is not in transition.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#blockUntilAvailable-org.apache.hadoop.hbase.zookeeper.ZKWatcher-long-org.apache.hadoop.conf.Configuration-">blockUntilAvailable</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| long timeout, |
| org.apache.hadoop.conf.Configuration conf)</code> |
| <div class="block">Wait until the primary meta region is available.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#deleteMetaLocation-org.apache.hadoop.hbase.zookeeper.ZKWatcher-">deleteMetaLocation</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zookeeper)</code> |
| <div class="block">Deletes the location of <code>hbase:meta</code> in ZooKeeper.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#deleteMetaLocation-org.apache.hadoop.hbase.zookeeper.ZKWatcher-int-">deleteMetaLocation</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zookeeper, |
| int replicaId)</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#getListOfRegionInfos-java.util.List-">getListOfRegionInfos</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a><<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>,<a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>>> pairs)</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#getMetaRegionLocation-org.apache.hadoop.hbase.zookeeper.ZKWatcher-">getMetaRegionLocation</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw)</code> |
| <div class="block">Gets the meta region location, if available.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#getMetaRegionLocation-org.apache.hadoop.hbase.zookeeper.ZKWatcher-int-">getMetaRegionLocation</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| int replicaId)</code> |
| <div class="block">Gets the meta region location, if available.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#getMetaRegions-org.apache.hadoop.hbase.zookeeper.ZKWatcher-">getMetaRegions</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw)</code> |
| <div class="block">Gets the meta regions for the given path with the default replica ID.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#getMetaRegions-org.apache.hadoop.hbase.zookeeper.ZKWatcher-int-">getMetaRegions</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| int replicaId)</code> |
| <div class="block">Gets the meta regions for the given path and replica ID.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a><<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>,<a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#getMetaRegionsAndLocations-org.apache.hadoop.hbase.zookeeper.ZKWatcher-">getMetaRegionsAndLocations</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw)</code> </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a><<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>,<a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#getMetaRegionsAndLocations-org.apache.hadoop.hbase.zookeeper.ZKWatcher-int-">getMetaRegionsAndLocations</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| int replicaId)</code> |
| <div class="block">Gets the meta regions and their locations for the given path and replica ID.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/master/RegionState.html" title="class in org.apache.hadoop.hbase.master">RegionState</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#getMetaRegionState-org.apache.hadoop.hbase.zookeeper.ZKWatcher-">getMetaRegionState</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw)</code> |
| <div class="block">Load the meta region state from the meta server ZNode.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/master/RegionState.html" title="class in org.apache.hadoop.hbase.master">RegionState</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#getMetaRegionState-org.apache.hadoop.hbase.zookeeper.ZKWatcher-int-">getMetaRegionState</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| int replicaId)</code> |
| <div class="block">Load the meta region state from the meta region server ZNode.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#setMetaLocation-org.apache.hadoop.hbase.zookeeper.ZKWatcher-org.apache.hadoop.hbase.ServerName-int-org.apache.hadoop.hbase.master.RegionState.State-">setMetaLocation</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zookeeper, |
| <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> serverName, |
| int replicaId, |
| <a href="../../../../../org/apache/hadoop/hbase/master/RegionState.State.html" title="enum in org.apache.hadoop.hbase.master">RegionState.State</a> state)</code> |
| <div class="block">Sets the location of <code>hbase:meta</code> in ZooKeeper to the specified server address.</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#setMetaLocation-org.apache.hadoop.hbase.zookeeper.ZKWatcher-org.apache.hadoop.hbase.ServerName-org.apache.hadoop.hbase.master.RegionState.State-">setMetaLocation</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zookeeper, |
| <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> serverName, |
| <a href="../../../../../org/apache/hadoop/hbase/master/RegionState.State.html" title="enum in org.apache.hadoop.hbase.master">RegionState.State</a> state)</code> |
| <div class="block">Sets the location of <code>hbase:meta</code> in ZooKeeper to the |
| specified server address.</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#waitMetaRegionLocation-org.apache.hadoop.hbase.zookeeper.ZKWatcher-int-long-">waitMetaRegionLocation</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| int replicaId, |
| long timeout)</code> |
| <div class="block">Gets the meta region location, if available, and waits for up to the specified timeout if not |
| immediately available.</div> |
| </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#waitMetaRegionLocation-org.apache.hadoop.hbase.zookeeper.ZKWatcher-long-">waitMetaRegionLocation</a></span>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| long timeout)</code> |
| <div class="block">Gets the meta region location, if available, and waits for up to the specified timeout if not |
| immediately available.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> |
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| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a><<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>,<a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>>> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#line.64">getMetaRegionsAndLocations</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - ZooKeeper watcher to be used</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>meta table regions and their locations.</dd> |
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| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a><<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>,<a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>>> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#line.75">getMetaRegionsAndLocations</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| int replicaId)</pre> |
| <div class="block">Gets the meta regions and their locations for the given path and replica ID.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - reference to the <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper"><code>ZKWatcher</code></a> which also contains configuration and operation</dd> |
| <dd><code>replicaId</code> - the ID of the replica</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>meta table regions and their locations.</dd> |
| </dl> |
| </li> |
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| <a name="getMetaRegions-org.apache.hadoop.hbase.zookeeper.ZKWatcher-"> |
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| <h4>getMetaRegions</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#line.90">getMetaRegions</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw)</pre> |
| <div class="block">Gets the meta regions for the given path with the default replica ID.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - ZooKeeper watcher to be used</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>List of meta regions</dd> |
| </dl> |
| </li> |
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| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#line.100">getMetaRegions</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| int replicaId)</pre> |
| <div class="block">Gets the meta regions for the given path and replica ID.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - reference to the <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper"><code>ZKWatcher</code></a> which also contains configuration and operation</dd> |
| <dd><code>replicaId</code> - the ID of the replica</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>List of meta regions</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getListOfRegionInfos-java.util.List-"> |
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| <h4>getListOfRegionInfos</h4> |
| <pre>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#line.106">getListOfRegionInfos</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a><<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>,<a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>>> pairs)</pre> |
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| <h4>getMetaRegionLocation</h4> |
| <pre>public static <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#line.124">getMetaRegionLocation</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw)</pre> |
| <div class="block">Gets the meta region location, if available. Does not block.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zookeeper connection to use</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>server name or null if we failed to get the data.</dd> |
| </dl> |
| </li> |
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| <a name="getMetaRegionLocation-org.apache.hadoop.hbase.zookeeper.ZKWatcher-int-"> |
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| <h4>getMetaRegionLocation</h4> |
| <pre>public static <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#line.139">getMetaRegionLocation</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| int replicaId)</pre> |
| <div class="block">Gets the meta region location, if available. Does not block.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - reference to the <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper"><code>ZKWatcher</code></a> which also contains configuration and operation</dd> |
| <dd><code>replicaId</code> - the ID of the replica</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>server name</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="waitMetaRegionLocation-org.apache.hadoop.hbase.zookeeper.ZKWatcher-long-"> |
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| <h4>waitMetaRegionLocation</h4> |
| <pre>public static <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#line.159">waitMetaRegionLocation</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| long timeout) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a>, |
| <a href="../../../../../org/apache/hadoop/hbase/NotAllMetaRegionsOnlineException.html" title="class in org.apache.hadoop.hbase">NotAllMetaRegionsOnlineException</a></pre> |
| <div class="block">Gets the meta region location, if available, and waits for up to the specified timeout if not |
| immediately available. Given the zookeeper notification could be delayed, we will try to get |
| the latest data.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - reference to the <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper"><code>ZKWatcher</code></a> which also contains configuration and operation</dd> |
| <dd><code>timeout</code> - maximum time to wait, in millis</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>server name for server hosting meta region formatted as per <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase"><code>ServerName</code></a>, or null |
| if none available</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code> - if interrupted while waiting</dd> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/NotAllMetaRegionsOnlineException.html" title="class in org.apache.hadoop.hbase">NotAllMetaRegionsOnlineException</a></code> - if a meta or root region is not online</dd> |
| </dl> |
| </li> |
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| <a name="waitMetaRegionLocation-org.apache.hadoop.hbase.zookeeper.ZKWatcher-int-long-"> |
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| <h4>waitMetaRegionLocation</h4> |
| <pre>public static <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#line.176">waitMetaRegionLocation</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| int replicaId, |
| long timeout) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a>, |
| <a href="../../../../../org/apache/hadoop/hbase/NotAllMetaRegionsOnlineException.html" title="class in org.apache.hadoop.hbase">NotAllMetaRegionsOnlineException</a></pre> |
| <div class="block">Gets the meta region location, if available, and waits for up to the specified timeout if not |
| immediately available. Given the zookeeper notification could be delayed, we will try to get |
| the latest data.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - reference to the <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper"><code>ZKWatcher</code></a> which also contains configuration and operation</dd> |
| <dd><code>replicaId</code> - the ID of the replica</dd> |
| <dd><code>timeout</code> - maximum time to wait, in millis</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>server name for server hosting meta region formatted as per <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase"><code>ServerName</code></a>, or null |
| if none available</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code> - if waiting for the socket operation fails</dd> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/NotAllMetaRegionsOnlineException.html" title="class in org.apache.hadoop.hbase">NotAllMetaRegionsOnlineException</a></code> - if a meta or root region is not online</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setMetaLocation-org.apache.hadoop.hbase.zookeeper.ZKWatcher-org.apache.hadoop.hbase.ServerName-org.apache.hadoop.hbase.master.RegionState.State-"> |
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| <h4>setMetaLocation</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#line.205">setMetaLocation</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zookeeper, |
| <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> serverName, |
| <a href="../../../../../org/apache/hadoop/hbase/master/RegionState.State.html" title="enum in org.apache.hadoop.hbase.master">RegionState.State</a> state) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Sets the location of <code>hbase:meta</code> in ZooKeeper to the |
| specified server address.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zookeeper</code> - zookeeper reference</dd> |
| <dd><code>serverName</code> - The server hosting <code>hbase:meta</code></dd> |
| <dd><code>state</code> - The region transition state</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - unexpected zookeeper exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setMetaLocation-org.apache.hadoop.hbase.zookeeper.ZKWatcher-org.apache.hadoop.hbase.ServerName-int-org.apache.hadoop.hbase.master.RegionState.State-"> |
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| <h4>setMetaLocation</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#line.219">setMetaLocation</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zookeeper, |
| <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> serverName, |
| int replicaId, |
| <a href="../../../../../org/apache/hadoop/hbase/master/RegionState.State.html" title="enum in org.apache.hadoop.hbase.master">RegionState.State</a> state) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Sets the location of <code>hbase:meta</code> in ZooKeeper to the specified server address.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zookeeper</code> - reference to the <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper"><code>ZKWatcher</code></a> which also contains configuration and |
| operation</dd> |
| <dd><code>serverName</code> - the name of the server</dd> |
| <dd><code>replicaId</code> - the ID of the replica</dd> |
| <dd><code>state</code> - the state of the region</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if a ZooKeeper operation fails</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getMetaRegionState-org.apache.hadoop.hbase.zookeeper.ZKWatcher-"> |
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| <h4>getMetaRegionState</h4> |
| <pre>public static <a href="../../../../../org/apache/hadoop/hbase/master/RegionState.html" title="class in org.apache.hadoop.hbase.master">RegionState</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#line.252">getMetaRegionState</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Load the meta region state from the meta server ZNode.</div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| </dl> |
| </li> |
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| <a name="getMetaRegionState-org.apache.hadoop.hbase.zookeeper.ZKWatcher-int-"> |
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| <h4>getMetaRegionState</h4> |
| <pre>public static <a href="../../../../../org/apache/hadoop/hbase/master/RegionState.html" title="class in org.apache.hadoop.hbase.master">RegionState</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#line.264">getMetaRegionState</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| int replicaId) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Load the meta region state from the meta region server ZNode.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - reference to the <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper"><code>ZKWatcher</code></a> which also contains configuration and operation</dd> |
| <dd><code>replicaId</code> - the ID of the replica</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>regionstate</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - if a ZooKeeper operation fails</dd> |
| </dl> |
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| <a name="deleteMetaLocation-org.apache.hadoop.hbase.zookeeper.ZKWatcher-"> |
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| <h4>deleteMetaLocation</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#line.283">deleteMetaLocation</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zookeeper) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <div class="block">Deletes the location of <code>hbase:meta</code> in ZooKeeper.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zookeeper</code> - zookeeper reference</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code> - unexpected zookeeper exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="deleteMetaLocation-org.apache.hadoop.hbase.zookeeper.ZKWatcher-int-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>deleteMetaLocation</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#line.288">deleteMetaLocation</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zookeeper, |
| int replicaId) |
| throws org.apache.zookeeper.KeeperException</pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.zookeeper.KeeperException</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="blockUntilAvailable-org.apache.hadoop.hbase.zookeeper.ZKWatcher-long-org.apache.hadoop.conf.Configuration-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>blockUntilAvailable</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#line.312">blockUntilAvailable</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| long timeout, |
| org.apache.hadoop.conf.Configuration conf) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre> |
| <div class="block">Wait until the primary meta region is available. Get the secondary locations as well but don't |
| block for those.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - reference to the <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper"><code>ZKWatcher</code></a> which also contains configuration and operation</dd> |
| <dd><code>timeout</code> - maximum time to wait in millis</dd> |
| <dd><code>conf</code> - the <code>Configuration</code> to use</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>ServerName or null if we timed out.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code> - if waiting for the socket operation fails</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="blockUntilAvailable-org.apache.hadoop.hbase.zookeeper.ZKWatcher-long-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>blockUntilAvailable</h4> |
| <pre>public static <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#line.347">blockUntilAvailable</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| long timeout) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre> |
| <div class="block">Wait until the meta region is available and is not in transition.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - zookeeper connection to use</dd> |
| <dd><code>timeout</code> - maximum time to wait, in millis</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>ServerName or null if we timed out.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code> - if waiting for the socket operation fails</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="blockUntilAvailable-org.apache.hadoop.hbase.zookeeper.ZKWatcher-int-long-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
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| <h4>blockUntilAvailable</h4> |
| <pre>public static <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html#line.360">blockUntilAvailable</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a> zkw, |
| int replicaId, |
| long timeout) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre> |
| <div class="block">Wait until the meta region is available and is not in transition.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zkw</code> - reference to the <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper"><code>ZKWatcher</code></a> which also contains configuration and constants</dd> |
| <dd><code>replicaId</code> - the ID of the replica</dd> |
| <dd><code>timeout</code> - maximum time to wait in millis</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>ServerName or null if we timed out.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code> - if waiting for the socket operation fails</dd> |
| </dl> |
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