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<div class="subTitle">org.apache.hadoop.hbase.coordination</div>
<h2 title="Class ZkSplitLogWorkerCoordination" class="title">Class ZkSplitLogWorkerCoordination</h2>
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<li><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKListener.html" title="class in org.apache.hadoop.hbase.zookeeper">org.apache.hadoop.hbase.zookeeper.ZKListener</a></li>
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<li>org.apache.hadoop.hbase.coordination.ZkSplitLogWorkerCoordination</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html" title="interface in org.apache.hadoop.hbase.coordination">SplitLogWorkerCoordination</a></dd>
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<pre>@InterfaceAudience.Private
public class <a href="../../../../../src-html/org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#line.68">ZkSplitLogWorkerCoordination</a>
extends <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKListener.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKListener</a>
implements <a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html" title="interface in org.apache.hadoop.hbase.coordination">SplitLogWorkerCoordination</a></pre>
<div class="block">ZooKeeper based implementation of <a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html" title="interface in org.apache.hadoop.hbase.coordination"><code>SplitLogWorkerCoordination</code></a>
It listen for changes in ZooKeeper and</div>
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<caption><span>Nested Classes</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>(package private) class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.GetDataAsyncCallback.html" title="class in org.apache.hadoop.hbase.coordination">ZkSplitLogWorkerCoordination.GetDataAsyncCallback</a></span></code>
<div class="block">Asynchronous handler for zk get-data-set-watch on node results.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.ZkSplitTaskDetails.html" title="class in org.apache.hadoop.hbase.coordination">ZkSplitLogWorkerCoordination.ZkSplitTaskDetails</a></span></code>
<div class="block">When ZK-based implementation wants to complete the task, it needs to know task znode and
current znode cversion (needed for subsequent update operation).</div>
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<h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.hadoop.hbase.coordination.<a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html" title="interface in org.apache.hadoop.hbase.coordination">SplitLogWorkerCoordination</a></h3>
<code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.SplitTaskDetails.html" title="interface in org.apache.hadoop.hbase.coordination">SplitLogWorkerCoordination.SplitTaskDetails</a></code></li>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>private static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#checkInterval">checkInterval</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#currentTask">currentTask</a></span></code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>private int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#currentVersion">currentVersion</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#FAILED_TO_OWN_TASK">FAILED_TO_OWN_TASK</a></span></code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>private <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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#grabTaskLock">grabTaskLock</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static org.slf4j.Logger</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#LOG">LOG</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#maxConcurrentTasks">maxConcurrentTasks</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#reportPeriod">reportPeriod</a></span></code>&nbsp;</td>
</tr>
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<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionServerServices.html" title="interface in org.apache.hadoop.hbase.regionserver">RegionServerServices</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#server">server</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private <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/coordination/ZkSplitLogWorkerCoordination.html#serverName">serverName</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#shouldStop">shouldStop</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/SplitLogWorker.TaskExecutor.html" title="interface in org.apache.hadoop.hbase.regionserver">SplitLogWorker.TaskExecutor</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#splitTaskExecutor">splitTaskExecutor</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicInteger.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicInteger</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#taskReadySeq">taskReadySeq</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicInteger.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicInteger</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#tasksInProgress">tasksInProgress</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/SplitLogWorker.html" title="class in org.apache.hadoop.hbase.regionserver">SplitLogWorker</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#worker">worker</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#workerInGrabTask">workerInGrabTask</a></span></code>&nbsp;</td>
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<code><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKListener.html#watcher">watcher</a></code></li>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#ZkSplitLogWorkerCoordination-org.apache.hadoop.hbase.ServerName-org.apache.hadoop.hbase.zookeeper.ZKWatcher-">ZkSplitLogWorkerCoordination</a></span>(<a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>&nbsp;serverName,
<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a>&nbsp;watcher)</code>&nbsp;</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#areSplittersAvailable--">areSplittersAvailable</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#attemptToOwnTask-boolean-org.apache.hadoop.hbase.zookeeper.ZKWatcher-org.apache.hadoop.hbase.ServerName-java.lang.String-int-">attemptToOwnTask</a></span>(boolean&nbsp;isFirstTime,
<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a>&nbsp;zkw,
<a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>&nbsp;server,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;task,
int&nbsp;taskZKVersion)</code>
<div class="block">Try to own the task by transitioning the zk node data from UNASSIGNED to OWNED.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#endTask-org.apache.hadoop.hbase.SplitLogTask-java.util.concurrent.atomic.LongAdder-org.apache.hadoop.hbase.coordination.SplitLogWorkerCoordination.SplitTaskDetails-">endTask</a></span>(<a href="../../../../../org/apache/hadoop/hbase/SplitLogTask.html" title="class in org.apache.hadoop.hbase">SplitLogTask</a>&nbsp;slt,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/LongAdder.html?is-external=true" title="class or interface in java.util.concurrent.atomic">LongAdder</a>&nbsp;ctr,
<a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.SplitTaskDetails.html" title="interface in org.apache.hadoop.hbase.coordination">SplitLogWorkerCoordination.SplitTaskDetails</a>&nbsp;details)</code>
<div class="block">endTask() can fail and the only way to recover out of it is for the
<a href="../../../../../org/apache/hadoop/hbase/master/SplitLogManager.html" title="class in org.apache.hadoop.hbase.master"><code>SplitLogManager</code></a> to timeout the task node.</div>
</td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#getDataSetWatchAsync--">getDataSetWatchAsync</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>(package private) void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#getDataSetWatchFailure-java.lang.String-">getDataSetWatchFailure</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;path)</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>(package private) void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#getDataSetWatchSuccess-java.lang.String-byte:A-">getDataSetWatchSuccess</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;path,
byte[]&nbsp;data)</code>&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>private <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>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#getTaskList--">getTaskList</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#getTaskReadySeq--">getTaskReadySeq</a></span>()</code>
<div class="block">Used by unit tests to check how many tasks were processed</div>
</td>
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<tr id="i8" class="altColor">
<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#grabTask-java.lang.String-">grabTask</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;path)</code>
<div class="block">try to grab a 'lock' on the task zk node to own and execute the task.</div>
</td>
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<tr id="i9" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#init-org.apache.hadoop.hbase.regionserver.RegionServerServices-org.apache.hadoop.conf.Configuration-org.apache.hadoop.hbase.regionserver.SplitLogWorker.TaskExecutor-org.apache.hadoop.hbase.regionserver.SplitLogWorker-">init</a></span>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionServerServices.html" title="interface in org.apache.hadoop.hbase.regionserver">RegionServerServices</a>&nbsp;server,
org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="../../../../../org/apache/hadoop/hbase/regionserver/SplitLogWorker.TaskExecutor.html" title="interface in org.apache.hadoop.hbase.regionserver">SplitLogWorker.TaskExecutor</a>&nbsp;splitExecutor,
<a href="../../../../../org/apache/hadoop/hbase/regionserver/SplitLogWorker.html" title="class in org.apache.hadoop.hbase.regionserver">SplitLogWorker</a>&nbsp;worker)</code>
<div class="block">Override setter from <a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html" title="interface in org.apache.hadoop.hbase.coordination"><code>SplitLogWorkerCoordination</code></a></div>
</td>
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<tr id="i10" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#isReady--">isReady</a></span>()</code>
<div class="block">Check whether the log splitter is ready to supply tasks</div>
</td>
</tr>
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<td class="colFirst"><code>boolean</code></td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#markCorrupted-org.apache.hadoop.fs.Path-java.lang.String-org.apache.hadoop.fs.FileSystem-">markCorrupted</a></span>(org.apache.hadoop.fs.Path&nbsp;rootDir,
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<td class="colFirst"><code>void</code></td>
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<td class="colFirst"><code>void</code></td>
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<td class="colFirst"><code>void</code></td>
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<div class="block">set the listener for task changes.</div>
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int&nbsp;curTaskZKVersion,
int&nbsp;reportPeriod)</code>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#taskLoop--">taskLoop</a></span>()</code>
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<div class="block">Override handler from <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKListener.html" title="class in org.apache.hadoop.hbase.zookeeper"><code>ZKListener</code></a></div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>path</code> - full path of the node whose children have changed</dd>
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<dd><code>path</code> - full path of the updated node</dd>
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<dd><code>server</code> - instance of RegionServerServices to work with</dd>
<dd><code>conf</code> - is current configuration.</dd>
<dd><code>splitExecutor</code> - split executor from SplitLogWorker</dd>
<dd><code>worker</code> - instance of SplitLogWorker</dd>
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<div class="block">try to grab a 'lock' on the task zk node to own and execute the task.
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<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKWatcher</a>&nbsp;zkw,
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<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;task,
int&nbsp;taskZKVersion)</pre>
<div class="block">Try to own the task by transitioning the zk node data from UNASSIGNED to OWNED.
<p>
This method is also used to periodically heartbeat the task progress by transitioning the node
from OWNED to OWNED.
<p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>isFirstTime</code> - shows whther it's the first attempt.</dd>
<dd><code>zkw</code> - zk wathcer</dd>
<dd><code>server</code> - name</dd>
<dd><code>task</code> - to own</dd>
<dd><code>taskZKVersion</code> - version of the task in zk</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>non-negative integer value when task can be owned by current region server otherwise -1</dd>
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<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#line.389">taskLoop</a>()
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 for tasks to become available at /hbase/splitlog zknode. Grab a task one at a time. This
policy puts an upper-limit on the number of simultaneous log splitting that could be happening
in a cluster.
<p>
Synchronization using <code>taskReadySeq</code> ensures that it will try to grab every task
that has been put up</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html#taskLoop--">taskLoop</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html" title="interface in org.apache.hadoop.hbase.coordination">SplitLogWorkerCoordination</a></code></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></dd>
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<pre>private&nbsp;<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>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#line.450">getTaskList</a>()
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>
<dl>
<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></dd>
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<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#line.473">markCorrupted</a>(org.apache.hadoop.fs.Path&nbsp;rootDir,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
org.apache.hadoop.fs.FileSystem&nbsp;fs)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html#markCorrupted-org.apache.hadoop.fs.Path-java.lang.String-org.apache.hadoop.fs.FileSystem-">SplitLogWorkerCoordination</a></code></span></div>
<div class="block">marks log file as corrupted</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html#markCorrupted-org.apache.hadoop.fs.Path-java.lang.String-org.apache.hadoop.fs.FileSystem-">markCorrupted</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html" title="interface in org.apache.hadoop.hbase.coordination">SplitLogWorkerCoordination</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>rootDir</code> - where to find the log</dd>
<dd><code>name</code> - of the log</dd>
<dd><code>fs</code> - file system</dd>
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<h4>isReady</h4>
<pre>public&nbsp;boolean&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#line.478">isReady</a>()
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"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html#isReady--">SplitLogWorkerCoordination</a></code></span></div>
<div class="block">Check whether the log splitter is ready to supply tasks</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html#isReady--">isReady</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html" title="interface in org.apache.hadoop.hbase.coordination">SplitLogWorkerCoordination</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>false if there is no tasks</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 the SplitLogWorker was stopped</dd>
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<pre>public&nbsp;int&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#line.496">getTaskReadySeq</a>()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html#getTaskReadySeq--">SplitLogWorkerCoordination</a></code></span></div>
<div class="block">Used by unit tests to check how many tasks were processed</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html#getTaskReadySeq--">getTaskReadySeq</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html" title="interface in org.apache.hadoop.hbase.coordination">SplitLogWorkerCoordination</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>number of tasks</dd>
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<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#line.501">registerListener</a>()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html#registerListener--">SplitLogWorkerCoordination</a></code></span></div>
<div class="block">set the listener for task changes. Implementation specific</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html#registerListener--">registerListener</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html" title="interface in org.apache.hadoop.hbase.coordination">SplitLogWorkerCoordination</a></code></dd>
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<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#line.506">removeListener</a>()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html#removeListener--">SplitLogWorkerCoordination</a></code></span></div>
<div class="block">remove the listener for task changes. Implementation specific</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html#removeListener--">removeListener</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html" title="interface in org.apache.hadoop.hbase.coordination">SplitLogWorkerCoordination</a></code></dd>
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<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#line.512">stopProcessingTasks</a>()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html#stopProcessingTasks--">SplitLogWorkerCoordination</a></code></span></div>
<div class="block">called when Coordination should stop processing tasks and exit</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html#stopProcessingTasks--">stopProcessingTasks</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html" title="interface in org.apache.hadoop.hbase.coordination">SplitLogWorkerCoordination</a></code></dd>
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<pre>public&nbsp;boolean&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#line.518">isStop</a>()</pre>
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<dd><code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html#isStop--">isStop</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html" title="interface in org.apache.hadoop.hbase.coordination">SplitLogWorkerCoordination</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the current value of exitWorker</dd>
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<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/coordination/ZkSplitLogWorkerCoordination.html#line.551">endTask</a>(<a href="../../../../../org/apache/hadoop/hbase/SplitLogTask.html" title="class in org.apache.hadoop.hbase">SplitLogTask</a>&nbsp;slt,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/LongAdder.html?is-external=true" title="class or interface in java.util.concurrent.atomic">LongAdder</a>&nbsp;ctr,
<a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.SplitTaskDetails.html" title="interface in org.apache.hadoop.hbase.coordination">SplitLogWorkerCoordination.SplitTaskDetails</a>&nbsp;details)</pre>
<div class="block">endTask() can fail and the only way to recover out of it is for the
<a href="../../../../../org/apache/hadoop/hbase/master/SplitLogManager.html" title="class in org.apache.hadoop.hbase.master"><code>SplitLogManager</code></a> to timeout the task node.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html#endTask-org.apache.hadoop.hbase.SplitLogTask-java.util.concurrent.atomic.LongAdder-org.apache.hadoop.hbase.coordination.SplitLogWorkerCoordination.SplitTaskDetails-">endTask</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/coordination/SplitLogWorkerCoordination.html" title="interface in org.apache.hadoop.hbase.coordination">SplitLogWorkerCoordination</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>slt</code> - </dd>
<dd><code>ctr</code> - </dd>
<dd><code>details</code> - details about log split task (specific to coordination engine being
used).</dd>
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