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| <div class="subTitle">org.apache.hadoop.hbase.procedure</div> |
| <h2 title="Class ProcedureCoordinator" class="title">Class ProcedureCoordinator</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.hadoop.hbase.procedure.ProcedureCoordinator</li> |
| </ul> |
| </li> |
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| <div class="description"> |
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| <br> |
| <pre>@InterfaceAudience.Private |
| public class <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#line.48">ProcedureCoordinator</a> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block">This is the master side of a distributed complex procedure execution. |
| <p> |
| The <a href="../../../../../org/apache/hadoop/hbase/procedure/Procedure.html" title="class in org.apache.hadoop.hbase.procedure"><code>Procedure</code></a> is generic and subclassing or customization shouldn't be |
| necessary -- any customization should happen just in <a href="../../../../../org/apache/hadoop/hbase/procedure/Subprocedure.html" title="class in org.apache.hadoop.hbase.procedure"><code>Subprocedure</code></a>s.</div> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- =========== FIELD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="field.summary"> |
| <!-- --> |
| </a> |
| <h3>Field Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation"> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <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>(package private) static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#KEEP_ALIVE_MILLIS_DEFAULT">KEEP_ALIVE_MILLIS_DEFAULT</a></span></code> </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/procedure/ProcedureCoordinator.html#LOG">LOG</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/ExecutorService.html?is-external=true" title="class or interface in java.util.concurrent">ExecutorService</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#pool">pool</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/ConcurrentMap.html?is-external=true" title="class or interface in java.util.concurrent">ConcurrentMap</a><<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>,<a href="../../../../../org/apache/hadoop/hbase/procedure/Procedure.html" title="class in org.apache.hadoop.hbase.procedure">Procedure</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#procedures">procedures</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinatorRpcs.html" title="interface in org.apache.hadoop.hbase.procedure">ProcedureCoordinatorRpcs</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#rpcs">rpcs</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#TIMEOUT_MILLIS_DEFAULT">TIMEOUT_MILLIS_DEFAULT</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/procedure/ProcedureCoordinator.html#timeoutMillis">timeoutMillis</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#WAKE_MILLIS_DEFAULT">WAKE_MILLIS_DEFAULT</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/procedure/ProcedureCoordinator.html#wakeTimeMillis">wakeTimeMillis</a></span></code> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.summary"> |
| <!-- --> |
| </a> |
| <h3>Constructor Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#ProcedureCoordinator-org.apache.hadoop.hbase.procedure.ProcedureCoordinatorRpcs-java.util.concurrent.ThreadPoolExecutor-">ProcedureCoordinator</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinatorRpcs.html" title="interface in org.apache.hadoop.hbase.procedure">ProcedureCoordinatorRpcs</a> rpcs, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ThreadPoolExecutor.html?is-external=true" title="class or interface in java.util.concurrent">ThreadPoolExecutor</a> pool)</code> |
| <div class="block">Create and start a ProcedureCoordinator.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#ProcedureCoordinator-org.apache.hadoop.hbase.procedure.ProcedureCoordinatorRpcs-java.util.concurrent.ThreadPoolExecutor-long-long-">ProcedureCoordinator</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinatorRpcs.html" title="interface in org.apache.hadoop.hbase.procedure">ProcedureCoordinatorRpcs</a> rpcs, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ThreadPoolExecutor.html?is-external=true" title="class or interface in java.util.concurrent">ThreadPoolExecutor</a> pool, |
| long timeoutMillis, |
| long wakeTimeMillis)</code> |
| <div class="block">Create and start a ProcedureCoordinator.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.summary"> |
| <!-- --> |
| </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="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>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#abortProcedure-java.lang.String-org.apache.hadoop.hbase.errorhandling.ForeignException-">abortProcedure</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> procName, |
| <a href="../../../../../org/apache/hadoop/hbase/errorhandling/ForeignException.html" title="class in org.apache.hadoop.hbase.errorhandling">ForeignException</a> reason)</code> |
| <div class="block">Abort the procedure with the given name</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/procedure/ProcedureCoordinator.html#close--">close</a></span>()</code> |
| <div class="block">Shutdown the thread pools and release rpc resources</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>(package private) <a href="../../../../../org/apache/hadoop/hbase/procedure/Procedure.html" title="class in org.apache.hadoop.hbase.procedure">Procedure</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#createProcedure-org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher-java.lang.String-byte:A-java.util.List-">createProcedure</a></span>(<a href="../../../../../org/apache/hadoop/hbase/errorhandling/ForeignExceptionDispatcher.html" title="class in org.apache.hadoop.hbase.errorhandling">ForeignExceptionDispatcher</a> fed, |
| <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> procName, |
| byte[] procArgs, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> expectedMembers)</code> |
| <div class="block">Exposed for hooking with unit tests.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ThreadPoolExecutor.html?is-external=true" title="class or interface in java.util.concurrent">ThreadPoolExecutor</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#defaultPool-java.lang.String-int-">defaultPool</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> coordName, |
| int opThreads)</code> |
| <div class="block">Default thread pool for the procedure</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ThreadPoolExecutor.html?is-external=true" title="class or interface in java.util.concurrent">ThreadPoolExecutor</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#defaultPool-java.lang.String-int-long-">defaultPool</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> coordName, |
| int opThreads, |
| long keepAliveMillis)</code> |
| <div class="block">Default thread pool for the procedure</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/procedure/Procedure.html" title="class in org.apache.hadoop.hbase.procedure">Procedure</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#getProcedure-java.lang.String-">getProcedure</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> name)</code> |
| <div class="block">Returns the procedure.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<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/procedure/ProcedureCoordinator.html#getProcedureNames--">getProcedureNames</a></span>()</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>(package private) <a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinatorRpcs.html" title="interface in org.apache.hadoop.hbase.procedure">ProcedureCoordinatorRpcs</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#getRpcs--">getRpcs</a></span>()</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>(package private) void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#memberAcquiredBarrier-java.lang.String-java.lang.String-">memberAcquiredBarrier</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> procName, |
| <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> member)</code> |
| <div class="block">Notification that the procedure had the specified member acquired its part of the barrier |
| via <a href="../../../../../org/apache/hadoop/hbase/procedure/Subprocedure.html#acquireBarrier--"><code>Subprocedure.acquireBarrier()</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>(package private) void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#memberFinishedBarrier-java.lang.String-java.lang.String-byte:A-">memberFinishedBarrier</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> procName, |
| <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> member, |
| byte[] dataFromMember)</code> |
| <div class="block">Notification that the procedure had another member finished executing its in-barrier subproc |
| via <a href="../../../../../org/apache/hadoop/hbase/procedure/Subprocedure.html#insideBarrier--"><code>Subprocedure.insideBarrier()</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>(package private) void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#rpcConnectionFailure-java.lang.String-java.io.IOException-">rpcConnectionFailure</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> message, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a> cause)</code> |
| <div class="block">The connection to the rest of the procedure group (members and coordinator) has been |
| broken/lost/failed.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/procedure/Procedure.html" title="class in org.apache.hadoop.hbase.procedure">Procedure</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#startProcedure-org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher-java.lang.String-byte:A-java.util.List-">startProcedure</a></span>(<a href="../../../../../org/apache/hadoop/hbase/errorhandling/ForeignExceptionDispatcher.html" title="class in org.apache.hadoop.hbase.errorhandling">ForeignExceptionDispatcher</a> fed, |
| <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> procName, |
| byte[] procArgs, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> expectedMembers)</code> |
| <div class="block">Kick off the named procedure |
| Currently only one procedure with the same type and name is allowed to run at a time.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>(package private) boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#submitProcedure-org.apache.hadoop.hbase.procedure.Procedure-">submitProcedure</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure/Procedure.html" title="class in org.apache.hadoop.hbase.procedure">Procedure</a> proc)</code> |
| <div class="block">Submit an procedure to kick off its dependent subprocedures.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class java.lang.<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></h3> |
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| <pre>private static final org.slf4j.Logger <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#line.49">LOG</a></pre> |
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| <h4>procedures</h4> |
| <pre>private final <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ConcurrentMap.html?is-external=true" title="class or interface in java.util.concurrent">ConcurrentMap</a><<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>,<a href="../../../../../org/apache/hadoop/hbase/procedure/Procedure.html" title="class in org.apache.hadoop.hbase.procedure">Procedure</a>> <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#line.61">procedures</a></pre> |
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| <a name="ProcedureCoordinator-org.apache.hadoop.hbase.procedure.ProcedureCoordinatorRpcs-java.util.concurrent.ThreadPoolExecutor-"> |
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| <h4>ProcedureCoordinator</h4> |
| <pre>public <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#line.73">ProcedureCoordinator</a>(<a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinatorRpcs.html" title="interface in org.apache.hadoop.hbase.procedure">ProcedureCoordinatorRpcs</a> rpcs, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ThreadPoolExecutor.html?is-external=true" title="class or interface in java.util.concurrent">ThreadPoolExecutor</a> pool)</pre> |
| <div class="block">Create and start a ProcedureCoordinator. |
| |
| The rpc object registers the ProcedureCoordinator and starts any threads in this |
| constructor.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>pool</code> - Used for executing procedures.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="ProcedureCoordinator-org.apache.hadoop.hbase.procedure.ProcedureCoordinatorRpcs-java.util.concurrent.ThreadPoolExecutor-long-long-"> |
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| <h4>ProcedureCoordinator</h4> |
| <pre>public <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#line.85">ProcedureCoordinator</a>(<a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinatorRpcs.html" title="interface in org.apache.hadoop.hbase.procedure">ProcedureCoordinatorRpcs</a> rpcs, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ThreadPoolExecutor.html?is-external=true" title="class or interface in java.util.concurrent">ThreadPoolExecutor</a> pool, |
| long timeoutMillis, |
| long wakeTimeMillis)</pre> |
| <div class="block">Create and start a ProcedureCoordinator. |
| |
| The rpc object registers the ProcedureCoordinator and starts any threads in |
| this constructor.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>pool</code> - Used for executing procedures.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>defaultPool</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ThreadPoolExecutor.html?is-external=true" title="class or interface in java.util.concurrent">ThreadPoolExecutor</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#line.100">defaultPool</a>(<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> coordName, |
| int opThreads)</pre> |
| <div class="block">Default thread pool for the procedure</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>coordName</code> - </dd> |
| <dd><code>opThreads</code> - the maximum number of threads to allow in the pool</dd> |
| </dl> |
| </li> |
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| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ThreadPoolExecutor.html?is-external=true" title="class or interface in java.util.concurrent">ThreadPoolExecutor</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#line.111">defaultPool</a>(<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> coordName, |
| int opThreads, |
| long keepAliveMillis)</pre> |
| <div class="block">Default thread pool for the procedure</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>coordName</code> - </dd> |
| <dd><code>opThreads</code> - the maximum number of threads to allow in the pool</dd> |
| <dd><code>keepAliveMillis</code> - the maximum time (ms) that excess idle threads will wait for new tasks</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="close--"> |
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| <h4>close</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#line.123">close</a>() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Shutdown the thread pools and release rpc resources</div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="submitProcedure-org.apache.hadoop.hbase.procedure.Procedure-"> |
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| <h4>submitProcedure</h4> |
| <pre>boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#line.139">submitProcedure</a>(<a href="../../../../../org/apache/hadoop/hbase/procedure/Procedure.html" title="class in org.apache.hadoop.hbase.procedure">Procedure</a> proc)</pre> |
| <div class="block">Submit an procedure to kick off its dependent subprocedures.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>proc</code> - Procedure to execute</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd><tt>true</tt> if the procedure was started correctly, <tt>false</tt> if the |
| procedure or any subprocedures could not be started. Failure could be due to |
| submitting a procedure multiple times (or one with the same name), or some sort |
| of IO problem. On errors, the procedure's monitor holds a reference to the exception |
| that caused the failure.</dd> |
| </dl> |
| </li> |
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| <h4>rpcConnectionFailure</h4> |
| <pre>void <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#line.201">rpcConnectionFailure</a>(<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> message, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a> cause)</pre> |
| <div class="block">The connection to the rest of the procedure group (members and coordinator) has been |
| broken/lost/failed. This should fail any interested procedures, but not attempt to notify other |
| members since we cannot reach them anymore.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>message</code> - description of the error</dd> |
| <dd><code>cause</code> - the actual cause of the failure</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>abortProcedure</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#line.223">abortProcedure</a>(<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> procName, |
| <a href="../../../../../org/apache/hadoop/hbase/errorhandling/ForeignException.html" title="class in org.apache.hadoop.hbase.errorhandling">ForeignException</a> reason)</pre> |
| <div class="block">Abort the procedure with the given name</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>procName</code> - name of the procedure to abort</dd> |
| <dd><code>reason</code> - serialized information about the abort</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="createProcedure-org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher-java.lang.String-byte:A-java.util.List-"> |
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| <h4>createProcedure</h4> |
| <pre><a href="../../../../../org/apache/hadoop/hbase/procedure/Procedure.html" title="class in org.apache.hadoop.hbase.procedure">Procedure</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#line.240">createProcedure</a>(<a href="../../../../../org/apache/hadoop/hbase/errorhandling/ForeignExceptionDispatcher.html" title="class in org.apache.hadoop.hbase.errorhandling">ForeignExceptionDispatcher</a> fed, |
| <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> procName, |
| byte[] procArgs, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> expectedMembers)</pre> |
| <div class="block">Exposed for hooking with unit tests.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>procName</code> - </dd> |
| <dd><code>procArgs</code> - </dd> |
| <dd><code>expectedMembers</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the newly created procedure</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="startProcedure-org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher-java.lang.String-byte:A-java.util.List-"> |
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| <h4>startProcedure</h4> |
| <pre>public <a href="../../../../../org/apache/hadoop/hbase/procedure/Procedure.html" title="class in org.apache.hadoop.hbase.procedure">Procedure</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#line.260">startProcedure</a>(<a href="../../../../../org/apache/hadoop/hbase/errorhandling/ForeignExceptionDispatcher.html" title="class in org.apache.hadoop.hbase.errorhandling">ForeignExceptionDispatcher</a> fed, |
| <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> procName, |
| byte[] procArgs, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> expectedMembers)</pre> |
| <div class="block">Kick off the named procedure |
| Currently only one procedure with the same type and name is allowed to run at a time.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>procName</code> - name of the procedure to start</dd> |
| <dd><code>procArgs</code> - arguments for the procedure</dd> |
| <dd><code>expectedMembers</code> - expected members to start</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>handle to the running procedure, if it was started correctly, |
| <tt>null</tt> otherwise. |
| Null could be due to submitting a procedure multiple times |
| (or one with the same name), or runtime exception. |
| Check the procedure's monitor that holds a reference to the exception |
| that caused the failure.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="memberAcquiredBarrier-java.lang.String-java.lang.String-"> |
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| </a> |
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| <h4>memberAcquiredBarrier</h4> |
| <pre>void <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#line.276">memberAcquiredBarrier</a>(<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> procName, |
| <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> member)</pre> |
| <div class="block">Notification that the procedure had the specified member acquired its part of the barrier |
| via <a href="../../../../../org/apache/hadoop/hbase/procedure/Subprocedure.html#acquireBarrier--"><code>Subprocedure.acquireBarrier()</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>procName</code> - name of the procedure that acquired</dd> |
| <dd><code>member</code> - name of the member that acquired</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="memberFinishedBarrier-java.lang.String-java.lang.String-byte:A-"> |
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| <h4>memberFinishedBarrier</h4> |
| <pre>void <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#line.295">memberFinishedBarrier</a>(<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> procName, |
| <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> member, |
| byte[] dataFromMember)</pre> |
| <div class="block">Notification that the procedure had another member finished executing its in-barrier subproc |
| via <a href="../../../../../org/apache/hadoop/hbase/procedure/Subprocedure.html#insideBarrier--"><code>Subprocedure.insideBarrier()</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>procName</code> - name of the subprocedure that finished</dd> |
| <dd><code>member</code> - name of the member that executed and released its barrier</dd> |
| <dd><code>dataFromMember</code> - the data that the member returned along with the notification</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getRpcs--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getRpcs</h4> |
| <pre><a href="../../../../../org/apache/hadoop/hbase/procedure/ProcedureCoordinatorRpcs.html" title="interface in org.apache.hadoop.hbase.procedure">ProcedureCoordinatorRpcs</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#line.310">getRpcs</a>()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the rpcs implementation for all current procedures</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getProcedure-java.lang.String-"> |
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| <h4>getProcedure</h4> |
| <pre>public <a href="../../../../../org/apache/hadoop/hbase/procedure/Procedure.html" title="class in org.apache.hadoop.hbase.procedure">Procedure</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#line.320">getProcedure</a>(<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> name)</pre> |
| <div class="block">Returns the procedure. This Procedure is a live instance so should not be modified but can |
| be inspected.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - Name of the procedure</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Procedure or null if not present any more</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getProcedureNames--"> |
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| <h4>getProcedureNames</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<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>> <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure/ProcedureCoordinator.html#line.327">getProcedureNames</a>()</pre> |
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