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| <li>Summary: </li> |
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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.regionserver</a></div> |
| <h1 title="Class SplitWALCallable" class="title">Class SplitWALCallable</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"><a href="../procedure2/BaseRSProcedureCallable.html" title="class in org.apache.hadoop.hbase.procedure2">org.apache.hadoop.hbase.procedure2.BaseRSProcedureCallable</a> |
| <div class="inheritance">org.apache.hadoop.hbase.regionserver.SplitWALCallable</div> |
| </div> |
| </div> |
| <section class="class-description" id="class-description"> |
| <dl class="notes"> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/concurrent/Callable.html" title="class or interface in java.util.concurrent" class="external-link">Callable</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Void.html" title="class or interface in java.lang" class="external-link">Void</a>></code>, <code><a href="../procedure2/RSProcedureCallable.html" title="interface in org.apache.hadoop.hbase.procedure2">RSProcedureCallable</a></code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="annotations">@Private |
| </span><span class="modifiers">public class </span><span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/SplitWALCallable.html#line-44">SplitWALCallable</a></span> |
| <span class="extends-implements">extends <a href="../procedure2/BaseRSProcedureCallable.html" title="class in org.apache.hadoop.hbase.procedure2">BaseRSProcedureCallable</a></span></div> |
| <div class="block">This callable is used to do the real split WAL task. It is called by |
| <a href="../master/procedure/SplitWALRemoteProcedure.html" title="class in org.apache.hadoop.hbase.master.procedure"><code>SplitWALRemoteProcedure</code></a> from master and executed |
| by executor service which is in charge of executing the events of EventType.RS_LOG_REPLAY When |
| execute this callable, it will call SplitLogWorker.splitLog() to split the WAL. If the return |
| value is SplitLogWorker.TaskExecutor.Status.DONE, it means the task is successful and it will |
| return null to end the call. Otherwise it will throw an exception and let |
| <a href="../master/procedure/SplitWALRemoteProcedure.html" title="class in org.apache.hadoop.hbase.master.procedure"><code>SplitWALRemoteProcedure</code></a> to handle this problem. |
| This class is to replace the zk-based WAL splitting related code, <a href="SplitLogWorker.html" title="class in org.apache.hadoop.hbase.regionserver"><code>SplitLogWorker</code></a>, |
| <a href="../coordination/SplitLogWorkerCoordination.html" title="interface in org.apache.hadoop.hbase.coordination"><code>SplitLogWorkerCoordination</code></a> and |
| <a href="../coordination/ZkSplitLogWorkerCoordination.html" title="class in org.apache.hadoop.hbase.coordination"><code>ZkSplitLogWorkerCoordination</code></a> can be removed after we |
| switch to procedure-based WAL splitting.</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="SplitWALCallable.ErrorWALSplitException.html" class="type-name-link" title="class in org.apache.hadoop.hbase.regionserver">SplitWALCallable.ErrorWALSplitException</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| <div class="col-first odd-row-color"><code>static class </code></div> |
| <div class="col-second odd-row-color"><code><a href="SplitWALCallable.PreemptedWALSplitException.html" class="type-name-link" title="class in org.apache.hadoop.hbase.regionserver">SplitWALCallable.PreemptedWALSplitException</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| <div class="col-first even-row-color"><code>static class </code></div> |
| <div class="col-second even-row-color"><code><a href="SplitWALCallable.ResignedWALSplitException.html" class="type-name-link" title="class in org.apache.hadoop.hbase.regionserver">SplitWALCallable.ResignedWALSplitException</a></code></div> |
| <div class="col-last even-row-color"> </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 <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/concurrent/locks/Lock.html" title="class or interface in java.util.concurrent.locks" class="external-link">Lock</a></code></div> |
| <div class="col-second even-row-color"><code><a href="#splitWALLock" class="member-name-link">splitWALLock</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| <div class="col-first odd-row-color"><code>private final <a href="../util/KeyLocker.html" title="class in org.apache.hadoop.hbase.util">KeyLocker</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"><code><a href="#splitWALLocks" class="member-name-link">splitWALLocks</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| <div class="col-first even-row-color"><code>private <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"><code><a href="#walPath" class="member-name-link">walPath</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="fields-inherited-from-class-org.apache.hadoop.hbase.procedure2.BaseRSProcedureCallable">Fields inherited from class org.apache.hadoop.hbase.procedure2.<a href="../procedure2/BaseRSProcedureCallable.html" title="class in org.apache.hadoop.hbase.procedure2">BaseRSProcedureCallable</a></h3> |
| <code><a href="../procedure2/BaseRSProcedureCallable.html#rs">rs</a></code></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 two-column-summary"> |
| <div class="table-header col-first">Constructor</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">SplitWALCallable</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-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance 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></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-tab2 method-summary-table-tab4"><code>protected void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#doCall()" class="member-name-link">doCall</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../executor/EventType.html" title="enum class in org.apache.hadoop.hbase.executor">EventType</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getEventType()" class="member-name-link">getEventType</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Event type used to select thread pool.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><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-tab2 method-summary-table-tab4"><code><a href="#getWalPath()" class="member-name-link">getWalPath</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#initParameter(byte%5B%5D)" class="member-name-link">initParameter</a><wbr>(byte[] parameter)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.hadoop.hbase.procedure2.BaseRSProcedureCallable">Methods inherited from class org.apache.hadoop.hbase.procedure2.<a href="../procedure2/BaseRSProcedureCallable.html" title="class in org.apache.hadoop.hbase.procedure2">BaseRSProcedureCallable</a></h3> |
| <code><a href="../procedure2/BaseRSProcedureCallable.html#call()">call</a>, <a href="../procedure2/BaseRSProcedureCallable.html#init(byte%5B%5D,org.apache.hadoop.hbase.regionserver.HRegionServer)">init</a></code></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="walPath"> |
| <h3>walPath</h3> |
| <div class="member-signature"><span class="modifiers">private</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/regionserver/SplitWALCallable.html#line-47">walPath</a></span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="splitWALLocks"> |
| <h3>splitWALLocks</h3> |
| <div class="member-signature"><span class="modifiers">private final</span> <span class="return-type"><a href="../util/KeyLocker.html" title="class in org.apache.hadoop.hbase.util">KeyLocker</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/regionserver/SplitWALCallable.html#line-48">splitWALLocks</a></span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="splitWALLock"> |
| <h3>splitWALLock</h3> |
| <div class="member-signature"><span class="modifiers">private volatile</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/concurrent/locks/Lock.html" title="class or interface in java.util.concurrent.locks" class="external-link">Lock</a></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/SplitWALCallable.html#line-49">splitWALLock</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>SplitWALCallable</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/SplitWALCallable.html#line-45">SplitWALCallable</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="initParameter(byte[])"> |
| <h3>initParameter</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/SplitWALCallable.html#line-51">initParameter</a></span><wbr><span class="parameters">(byte[] parameter)</span> |
| throws <span class="exceptions">org.apache.hbase.thirdparty.com.google.protobuf.InvalidProtocolBufferException</span></div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../procedure2/BaseRSProcedureCallable.html#initParameter(byte%5B%5D)">initParameter</a></code> in class <code><a href="../procedure2/BaseRSProcedureCallable.html" title="class in org.apache.hadoop.hbase.procedure2">BaseRSProcedureCallable</a></code></dd> |
| <dt>Throws:</dt> |
| <dd><code>org.apache.hbase.thirdparty.com.google.protobuf.InvalidProtocolBufferException</code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getEventType()"> |
| <h3>getEventType</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="../executor/EventType.html" title="enum class in org.apache.hadoop.hbase.executor">EventType</a></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/SplitWALCallable.html#line-58">getEventType</a></span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="../procedure2/RSProcedureCallable.html#getEventType()">RSProcedureCallable</a></code></span></div> |
| <div class="block">Event type used to select thread pool.</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="doCall()"> |
| <h3>doCall</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/SplitWALCallable.html#line-81">doCall</a></span>() |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Exception.html" title="class or interface in java.lang" class="external-link">Exception</a></span></div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../procedure2/BaseRSProcedureCallable.html#doCall()">doCall</a></code> in class <code><a href="../procedure2/BaseRSProcedureCallable.html" title="class in org.apache.hadoop.hbase.procedure2">BaseRSProcedureCallable</a></code></dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Exception.html" title="class or interface in java.lang" class="external-link">Exception</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getWalPath()"> |
| <h3>getWalPath</h3> |
| <div class="member-signature"><span class="modifiers">public</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/regionserver/SplitWALCallable.html#line-102">getWalPath</a></span>()</div> |
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