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| <div class="subTitle">org.apache.hadoop.hbase.procedure2</div> |
| <h2 title="Class AbstractProcedureScheduler" class="title">Class AbstractProcedureScheduler</h2> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureScheduler</a></dd> |
| </dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureScheduler.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureScheduler</a>, <a href="../../../../../org/apache/hadoop/hbase/procedure2/SimpleProcedureScheduler.html" title="class in org.apache.hadoop.hbase.procedure2">SimpleProcedureScheduler</a></dd> |
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| <pre>@InterfaceAudience.Private |
| public abstract class <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#line.30">AbstractProcedureScheduler</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> |
| implements <a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureScheduler</a></pre> |
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| <h3>Field Summary</h3> |
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| <tr> |
| <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/procedure2/AbstractProcedureScheduler.html#LOG">LOG</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#nullPollCalls">nullPollCalls</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#pollCalls">pollCalls</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#running">running</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/locks/ReentrantLock.html?is-external=true" title="class or interface in java.util.concurrent.locks">ReentrantLock</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#schedulerLock">schedulerLock</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/locks/Condition.html?is-external=true" title="class or interface in java.util.concurrent.locks">Condition</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#schedWaitCond">schedWaitCond</a></span></code> </td> |
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| <th class="colOne" scope="col">Constructor and Description</th> |
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| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#AbstractProcedureScheduler--">AbstractProcedureScheduler</a></span>()</code> </td> |
| </tr> |
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| <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="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract 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>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#addBack-org.apache.hadoop.hbase.procedure2.Procedure-">addBack</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a> procedure)</code> |
| <div class="block">Inserts the specified element at the end of this queue.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#addBack-org.apache.hadoop.hbase.procedure2.Procedure-boolean-">addBack</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a> procedure, |
| boolean notify)</code> |
| <div class="block">Inserts the specified element at the end of this queue.</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/procedure2/AbstractProcedureScheduler.html#addFront-java.util.Iterator-">addFront</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a><<a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a>> procedureIterator)</code> |
| <div class="block">Inserts all elements in the iterator at the front of this queue.</div> |
| </td> |
| </tr> |
| <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/procedure2/AbstractProcedureScheduler.html#addFront-org.apache.hadoop.hbase.procedure2.Procedure-">addFront</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a> procedure)</code> |
| <div class="block">Inserts the specified element at the front of this queue.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#addFront-org.apache.hadoop.hbase.procedure2.Procedure-boolean-">addFront</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a> procedure, |
| boolean notify)</code> |
| <div class="block">Inserts the specified element at the front of this queue.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>protected abstract <a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#dequeue--">dequeue</a></span>()</code> |
| <div class="block">Fetch one Procedure from the queue |
| NOTE: this method is called with the sched lock held.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>protected abstract void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#enqueue-org.apache.hadoop.hbase.procedure2.Procedure-boolean-">enqueue</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a> procedure, |
| boolean addFront)</code> |
| <div class="block">Add the procedure to the queue.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#getNullPollCalls--">getNullPollCalls</a></span>()</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#getPollCalls--">getPollCalls</a></span>()</code> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#hasRunnables--">hasRunnables</a></span>()</code> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#poll--">poll</a></span>()</code> |
| <div class="block">Fetch one Procedure from the queue</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#poll-long-">poll</a></span>(long nanos)</code> </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#poll-long-java.util.concurrent.TimeUnit-">poll</a></span>(long timeout, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a> unit)</code> |
| <div class="block">Fetch one Procedure from the queue</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#push-org.apache.hadoop.hbase.procedure2.Procedure-boolean-boolean-">push</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a> procedure, |
| boolean addFront, |
| boolean notify)</code> </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>protected abstract boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#queueHasRunnables--">queueHasRunnables</a></span>()</code> |
| <div class="block">Returns true if there are procedures available to process.</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>protected abstract int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#queueSize--">queueSize</a></span>()</code> |
| <div class="block">Returns the number of elements in this queue.</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#schedLock--">schedLock</a></span>()</code> </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#schedUnlock--">schedUnlock</a></span>()</code> </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#signalAll--">signalAll</a></span>()</code> |
| <div class="block">In case the class is blocking on poll() waiting for items to be added, |
| this method should awake poll() and poll() should return.</div> |
| </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#size--">size</a></span>()</code> |
| <div class="block">Returns the number of elements in this queue.</div> |
| </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#start--">start</a></span>()</code> |
| <div class="block">Start the scheduler</div> |
| </td> |
| </tr> |
| <tr id="i21" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#stop--">stop</a></span>()</code> |
| <div class="block">Stop the scheduler</div> |
| </td> |
| </tr> |
| <tr id="i22" class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#waitProcedure-org.apache.hadoop.hbase.procedure2.LockAndQueue-org.apache.hadoop.hbase.procedure2.Procedure-">waitProcedure</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/LockAndQueue.html" title="class in org.apache.hadoop.hbase.procedure2">LockAndQueue</a> lockAndQueue, |
| <a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a> proc)</code> </td> |
| </tr> |
| <tr id="i23" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#wakeEvents-org.apache.hadoop.hbase.procedure2.ProcedureEvent:A-">wakeEvents</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureEvent</a>[] events)</code> |
| <div class="block">Wake up all of the given events.</div> |
| </td> |
| </tr> |
| <tr id="i24" class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#wakePollIfNeeded-int-">wakePollIfNeeded</a></span>(int waitingCount)</code> </td> |
| </tr> |
| <tr id="i25" class="rowColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#wakeProcedure-org.apache.hadoop.hbase.procedure2.Procedure-">wakeProcedure</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a> procedure)</code> </td> |
| </tr> |
| <tr id="i26" class="altColor"> |
| <td class="colFirst"><code>protected int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#wakeWaitingProcedures-org.apache.hadoop.hbase.procedure2.LockAndQueue-">wakeWaitingProcedures</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/LockAndQueue.html" title="class in org.apache.hadoop.hbase.procedure2">LockAndQueue</a> lockAndQueue)</code> |
| <div class="block">Wakes up given waiting procedures by pushing them back into scheduler queues.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
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| <code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#clear--">clear</a>, <a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#completionCleanup-org.apache.hadoop.hbase.procedure2.Procedure-">completionCleanup</a>, <a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#getLockResource-org.apache.hadoop.hbase.procedure2.LockedResourceType-java.lang.String-">getLockResource</a>, <a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#getLocks--">getLocks</a>, <a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#yield-org.apache.hadoop.hbase.procedure2.Procedure-">yield</a></code></li> |
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| <pre>public <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#line.30">AbstractProcedureScheduler</a>()</pre> |
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| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#line.41">start</a>()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#start--">ProcedureScheduler</a></code></span></div> |
| <div class="block">Start the scheduler</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#start--">start</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureScheduler</a></code></dd> |
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| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#stop--">ProcedureScheduler</a></code></span></div> |
| <div class="block">Stop the scheduler</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#stop--">stop</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureScheduler</a></code></dd> |
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| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#line.62">signalAll</a>()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#signalAll--">ProcedureScheduler</a></code></span></div> |
| <div class="block">In case the class is blocking on poll() waiting for items to be added, |
| this method should awake poll() and poll() should return.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#signalAll--">signalAll</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureScheduler</a></code></dd> |
| </dl> |
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| <pre>protected abstract void <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#line.80">enqueue</a>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a> procedure, |
| boolean addFront)</pre> |
| <div class="block">Add the procedure to the queue. |
| NOTE: this method is called with the sched lock held.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>procedure</code> - the Procedure to add</dd> |
| <dd><code>addFront</code> - true if the item should be added to the front of the queue</dd> |
| </dl> |
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| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#line.83">addFront</a>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a> procedure)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#addFront-org.apache.hadoop.hbase.procedure2.Procedure-">ProcedureScheduler</a></code></span></div> |
| <div class="block">Inserts the specified element at the front of this queue.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#addFront-org.apache.hadoop.hbase.procedure2.Procedure-">addFront</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureScheduler</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>procedure</code> - the Procedure to add</dd> |
| </dl> |
| </li> |
| </ul> |
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| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#line.88">addFront</a>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a> procedure, |
| boolean notify)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#addFront-org.apache.hadoop.hbase.procedure2.Procedure-boolean-">ProcedureScheduler</a></code></span></div> |
| <div class="block">Inserts the specified element at the front of this queue.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#addFront-org.apache.hadoop.hbase.procedure2.Procedure-boolean-">addFront</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureScheduler</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>procedure</code> - the Procedure to add</dd> |
| <dd><code>notify</code> - whether need to notify worker</dd> |
| </dl> |
| </li> |
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| <h4>addFront</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#line.93">addFront</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a><<a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a>> procedureIterator)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#addFront-java.util.Iterator-">ProcedureScheduler</a></code></span></div> |
| <div class="block">Inserts all elements in the iterator at the front of this queue.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#addFront-java.util.Iterator-">addFront</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureScheduler</a></code></dd> |
| </dl> |
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| <h4>addBack</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#line.112">addBack</a>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a> procedure)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#addBack-org.apache.hadoop.hbase.procedure2.Procedure-">ProcedureScheduler</a></code></span></div> |
| <div class="block">Inserts the specified element at the end of this queue.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#addBack-org.apache.hadoop.hbase.procedure2.Procedure-">addBack</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureScheduler</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>procedure</code> - the Procedure to add</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>addBack</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#line.117">addBack</a>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a> procedure, |
| boolean notify)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#addBack-org.apache.hadoop.hbase.procedure2.Procedure-boolean-">ProcedureScheduler</a></code></span></div> |
| <div class="block">Inserts the specified element at the end of this queue.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#addBack-org.apache.hadoop.hbase.procedure2.Procedure-boolean-">addBack</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureScheduler</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>procedure</code> - the Procedure to add</dd> |
| <dd><code>notify</code> - whether need to notify worker</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="push-org.apache.hadoop.hbase.procedure2.Procedure-boolean-boolean-"> |
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| <h4>push</h4> |
| <pre>protected void <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#line.121">push</a>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a> procedure, |
| boolean addFront, |
| boolean notify)</pre> |
| </li> |
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| <h4>dequeue</h4> |
| <pre>protected abstract <a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#line.141">dequeue</a>()</pre> |
| <div class="block">Fetch one Procedure from the queue |
| NOTE: this method is called with the sched lock held.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the Procedure to execute, or null if nothing is available.</dd> |
| </dl> |
| </li> |
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| <pre>public <a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#line.144">poll</a>()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#poll--">ProcedureScheduler</a></code></span></div> |
| <div class="block">Fetch one Procedure from the queue</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#poll--">poll</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureScheduler</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the Procedure to execute, or null if nothing present.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="poll-long-java.util.concurrent.TimeUnit-"> |
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| <h4>poll</h4> |
| <pre>public <a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#line.149">poll</a>(long timeout, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a> unit)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#poll-long-java.util.concurrent.TimeUnit-">ProcedureScheduler</a></code></span></div> |
| <div class="block">Fetch one Procedure from the queue</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#poll-long-java.util.concurrent.TimeUnit-">poll</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureScheduler</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>timeout</code> - how long to wait before giving up, in units of unit</dd> |
| <dd><code>unit</code> - a TimeUnit determining how to interpret the timeout parameter</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the Procedure to execute, or null if nothing present.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="poll-long-"> |
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| <h4>poll</h4> |
| <pre>public <a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#line.154">poll</a>(long nanos)</pre> |
| </li> |
| </ul> |
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| <h4>queueSize</h4> |
| <pre>protected abstract int <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#line.197">queueSize</a>()</pre> |
| <div class="block">Returns the number of elements in this queue. |
| NOTE: this method is called with the sched lock held.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the number of elements in this queue.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <pre>protected abstract boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#line.204">queueHasRunnables</a>()</pre> |
| <div class="block">Returns true if there are procedures available to process. |
| NOTE: this method is called with the sched lock held.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if there are procedures available to process, otherwise false.</dd> |
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| <pre>public int <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#line.207">size</a>()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#size--">ProcedureScheduler</a></code></span></div> |
| <div class="block">Returns the number of elements in this queue.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#size--">size</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureScheduler</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the number of elements in this queue.</dd> |
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| <pre>public boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#line.217">hasRunnables</a>()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html#hasRunnables--">hasRunnables</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureScheduler.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureScheduler</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if there are procedures available to process, otherwise false.</dd> |
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| <h4>wakeEvents</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#line.247">wakeEvents</a>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureEvent</a>[] events)</pre> |
| <div class="block">Wake up all of the given events. |
| Note that we first take scheduler lock and then wakeInternal() synchronizes on the event. |
| Access should remain package-private. Use ProcedureEvent class to wake/suspend events.</div> |
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| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>events</code> - the list of events to wake</dd> |
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| <div class="block">Wakes up given waiting procedures by pushing them back into scheduler queues.</div> |
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| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>size of given <code>waitQueue</code>.</dd> |
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| <a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a> proc)</pre> |
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| <pre>protected void <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#line.281">schedLock</a>()</pre> |
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