http://git-wip-us.apache.org/repos/asf/hbase-site/blob/b9722a17/devapidocs/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html ---------------------------------------------------------------------- diff --git a/devapidocs/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html b/devapidocs/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html index ce260ce..435c524 100644 --- a/devapidocs/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html +++ b/devapidocs/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html @@ -18,7 +18,7 @@ catch(err) { } //--> -var methods = {"i0":10,"i1":10,"i2":6,"i3":6,"i4":10,"i5":10,"i6":10,"i7":10,"i8":10,"i9":10,"i10":10,"i11":6,"i12":6,"i13":10,"i14":10,"i15":10,"i16":10,"i17":10,"i18":10,"i19":10,"i20":10,"i21":10,"i22":10,"i23":10,"i24":10,"i25":10,"i26":10}; +var methods = {"i0":10,"i1":10,"i2":10,"i3":6,"i4":6,"i5":10,"i6":10,"i7":10,"i8":10,"i9":10,"i10":10,"i11":10,"i12":6,"i13":6,"i14":10,"i15":10,"i16":10,"i17":10,"i18":10,"i19":10,"i20":10,"i21":10,"i22":10,"i23":10,"i24":10}; var tabs = {65535:["t0","All Methods"],2:["t2","Instance Methods"],4:["t3","Abstract Methods"],8:["t4","Concrete Methods"]}; var altColor = "altColor"; var rowColor = "rowColor"; @@ -118,7 +118,7 @@ var activeTableTab = "activeTableTab"; <hr> <br> <pre>@InterfaceAudience.Private -public abstract class <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#line.30">AbstractProcedureScheduler</a> +public abstract class <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#line.31">AbstractProcedureScheduler</a> extends <a href="http://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> </li> @@ -203,145 +203,130 @@ implements <a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureS </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#addFront-java.util.Iterator-">addFront</a></span>(<a href="http://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="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-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="i2" class="altColor"> +<tr id="i3" 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="i3" class="rowColor"> +<tr id="i4" 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="i4" class="altColor"> +<tr id="i5" 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="i5" class="rowColor"> +<tr id="i6" 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="i6" class="altColor"> +<tr id="i7" 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="i7" class="rowColor"> +<tr id="i8" class="altColor"> <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in 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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="http://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="i10" class="altColor"> +<tr id="i11" 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="i11" class="rowColor"> +<tr id="i12" 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="i12" class="altColor"> +<tr id="i13" 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="i13" class="rowColor"> +<tr id="i14" 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="i14" class="altColor"> +<tr id="i15" 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="i15" class="rowColor"> +<tr id="i16" 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="i16" class="altColor"> +<tr id="i17" 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="i17" class="rowColor"> +<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#start--">start</a></span>()</code> <div class="block">Start the scheduler</div> </td> </tr> -<tr id="i18" class="altColor"> +<tr id="i19" 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="i19" 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#suspendEvent-org.apache.hadoop.hbase.procedure2.ProcedureEvent-">suspendEvent</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureEvent</a> event)</code> -<div class="block">Mark the event as not ready.</div> -</td> -</tr> <tr id="i20" class="altColor"> -<td class="colFirst"><code>boolean</code></td> -<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#waitEvent-org.apache.hadoop.hbase.procedure2.ProcedureEvent-org.apache.hadoop.hbase.procedure2.Procedure-">waitEvent</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureEvent</a> event, - <a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a> procedure)</code> -<div class="block">Suspend the procedure if the event is not ready yet.</div> -</td> -</tr> -<tr id="i21" 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#waitProcedure-org.apache.hadoop.hbase.procedure2.ProcedureDeque-org.apache.hadoop.hbase.procedure2.Procedure-">waitProcedure</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureDeque.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureDeque</a> waitQueue, <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="i22" 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#wakeEvent-org.apache.hadoop.hbase.procedure2.ProcedureEvent-">wakeEvent</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureEvent</a> event)</code> -<div class="block">Wake every procedure waiting for the specified event - (By design each event has only one "wake" caller)</div> -</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-int-org.apache.hadoop.hbase.procedure2.ProcedureEvent...-">wakeEvents</a></span>(int count, - <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 every procedure waiting for the specified events.</div> +<tr id="i21" class="rowColor"> +<td class="colFirst"><code>(package private) 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 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procedure)</code> </td> </tr> -<tr id="i26" class="altColor"> +<tr id="i24" 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.ProcedureDeque-">wakeWaitingProcedures</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureDeque.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureDeque</a> waitQueue)</code> <div class="block">Wakes up given waiting procedures by pushing them back into scheduler queues.</div> @@ -382,7 +367,7 @@ implements <a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureS <ul class="blockList"> <li class="blockList"> <h4>LOG</h4> -<pre>private static final org.apache.commons.logging.Log <a 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scope="col">Field and Description</th> </tr> <tr class="altColor"> +<td class="colFirst"><code>private static org.apache.commons.logging.Log</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html#LOG">LOG</a></span></code> </td> +</tr> +<tr class="rowColor"> <td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html" title="type parameter in ProcedureEvent">T</a></code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html#object">object</a></span></code> </td> </tr> -<tr class="rowColor"> +<tr class="altColor"> <td class="colFirst"><code>private boolean</code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html#ready">ready</a></span></code> </td> </tr> -<tr class="altColor"> +<tr class="rowColor"> <td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureDeque.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureDeque</a></code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html#suspendedProcedures">suspendedProcedures</a></span></code> </td> </tr> @@ -176,27 +179,57 @@ extends <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html? </a> <h3>Method Summary</h3> <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> -<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance 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> +<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance 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><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureDeque.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureDeque</a></code></td> -<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html#getSuspendedProcedures--">getSuspendedProcedures</a></span>()</code> </td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html#getSuspendedProcedures--">getSuspendedProcedures</a></span>()</code> +<div class="block">Access to suspendedProcedures is 'synchronized' on this object, but it's fine to return it + here for tests.</div> +</td> </tr> <tr id="i1" class="rowColor"> <td class="colFirst"><code>boolean</code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html#isReady--">isReady</a></span>()</code> </td> </tr> <tr id="i2" class="altColor"> -<td class="colFirst"><code>(package private) void</code></td> -<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html#setReady-boolean-">setReady</a></span>(boolean isReady)</code> </td> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html#suspend--">suspend</a></span>()</code> +<div class="block">Mark the event as not ready.</div> +</td> </tr> <tr id="i3" class="rowColor"> +<td class="colFirst"><code>boolean</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html#suspendIfNotReady-org.apache.hadoop.hbase.procedure2.Procedure-">suspendIfNotReady</a></span>(<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="i4" class="altColor"> <td class="colFirst"><code><a href="http://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/procedure2/ProcedureEvent.html#toString--">toString</a></span>()</code> </td> </tr> +<tr id="i5" class="rowColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html#wake-org.apache.hadoop.hbase.procedure2.AbstractProcedureScheduler-">wake</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html" title="class in org.apache.hadoop.hbase.procedure2">AbstractProcedureScheduler</a> procedureScheduler)</code> +<div class="block">Wakes up the suspended procedures by pushing them back into scheduler queues and sets the + event as ready.</div> +</td> +</tr> +<tr id="i6" class="altColor"> +<td class="colFirst"><code>static void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html#wakeEvents-org.apache.hadoop.hbase.procedure2.AbstractProcedureScheduler-org.apache.hadoop.hbase.procedure2.ProcedureEvent...-">wakeEvents</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html" title="class in org.apache.hadoop.hbase.procedure2">AbstractProcedureScheduler</a> scheduler, + <a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureEvent</a>... events)</code> +<div class="block">Wakes up all the given events and puts the procedures waiting on them back into + ProcedureScheduler queues.</div> +</td> +</tr> +<tr id="i7" class="rowColor"> +<td class="colFirst"><code>(package private) void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html#wakeInternal-org.apache.hadoop.hbase.procedure2.AbstractProcedureScheduler-">wakeInternal</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html" title="class in org.apache.hadoop.hbase.procedure2">AbstractProcedureScheduler</a> procedureScheduler)</code> +<div class="block">Only to be used by ProcedureScheduler implementations.</div> +</td> +</tr> </table> <ul class="blockList"> <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> @@ -219,13 +252,22 @@ extends <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html? <!-- --> </a> <h3>Field Detail</h3> +<a name="LOG"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>LOG</h4> +<pre>private static final org.apache.commons.logging.Log <a 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+</a> +<ul class="blockList"> +<li class="blockList"> +<h4>suspend</h4> +<pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/ProcedureEvent.html#line.58">suspend</a>()</pre> +<div class="block">Mark the event as not ready.</div> +</li> +</ul> +<a name="wake-org.apache.hadoop.hbase.procedure2.AbstractProcedureScheduler-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>wake</h4> +<pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/ProcedureEvent.html#line.70">wake</a>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html" title="class in org.apache.hadoop.hbase.procedure2">AbstractProcedureScheduler</a> procedureScheduler)</pre> +<div class="block">Wakes up the suspended procedures by pushing them back into scheduler queues and sets the + event as ready. + See <a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html#wakeInternal-org.apache.hadoop.hbase.procedure2.AbstractProcedureScheduler-"><code>wakeInternal(AbstractProcedureScheduler)</code></a> for why this is not synchronized.</div> +</li> +</ul> +<a name="wakeEvents-org.apache.hadoop.hbase.procedure2.AbstractProcedureScheduler-org.apache.hadoop.hbase.procedure2.ProcedureEvent...-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>wakeEvents</h4> +<pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/ProcedureEvent.html#line.78">wakeEvents</a>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html" title="class in org.apache.hadoop.hbase.procedure2">AbstractProcedureScheduler</a> scheduler, + <a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureEvent</a>... events)</pre> +<div class="block">Wakes up all the given events and puts the procedures waiting on them back into + ProcedureScheduler queues.</div> </li> </ul> -<a name="setReady-boolean-"> +<a name="wakeInternal-org.apache.hadoop.hbase.procedure2.AbstractProcedureScheduler-"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> -<h4>setReady</h4> -<pre>void <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/ProcedureEvent.html#line.42">setReady</a>(boolean isReady)</pre> +<h4>wakeInternal</h4> +<pre>void <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/ProcedureEvent.html#line.95">wakeInternal</a>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html" title="class in org.apache.hadoop.hbase.procedure2">AbstractProcedureScheduler</a> procedureScheduler)</pre> +<div class="block">Only to be used by ProcedureScheduler implementations. + Reason: To wake up multiple events, locking sequence is + schedLock --> synchronized (event) + To wake up an event, both schedLock() and synchronized(event) are required. + The order is schedLock() --> synchronized(event) because when waking up multiple events + simultaneously, we keep the scheduler locked until all procedures suspended on these events + have been added back to the queue (Maybe it's not required? Evaluate!) + To avoid deadlocks, we want to keep the locking order same even when waking up single event. + That's why, <a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html#wake-org.apache.hadoop.hbase.procedure2.AbstractProcedureScheduler-"><code>wake(AbstractProcedureScheduler)</code></a> above uses the same code path as used + when waking up multiple events. + Access should remain package-private.</div> </li> </ul> <a name="getSuspendedProcedures--"> @@ -297,7 +397,9 @@ extends <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html? <ul class="blockList"> <li class="blockList"> <h4>getSuspendedProcedures</h4> -<pre>public <a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureDeque.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureDeque</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/ProcedureEvent.html#line.46">getSuspendedProcedures</a>()</pre> +<pre>public <a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureDeque.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureDeque</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/ProcedureEvent.html#line.115">getSuspendedProcedures</a>()</pre> +<div class="block">Access to suspendedProcedures is 'synchronized' on this object, but it's fine to return it + here for tests.</div> </li> </ul> <a name="toString--"> @@ -306,7 +408,7 @@ extends <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html? <ul class="blockListLast"> <li class="blockList"> <h4>toString</h4> -<pre>public <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true"; title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/ProcedureEvent.html#line.51">toString</a>()</pre> +<pre>public <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true"; title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/ProcedureEvent.html#line.120">toString</a>()</pre> <dl> <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> <dd><code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--"; title="class or interface in java.lang">toString</a></code> in class <code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true"; title="class or interface in java.lang">Object</a></code></dd>
