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<h2 title="Class JobStateManager" class="title">Class JobStateManager</h2>
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<ul class="inheritance">
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<pre>public final class <span class="typeNameLabel">JobStateManager</span>
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">Manages the states related to a job.
This class can be used to track a job's execution status to task level in the future.
The methods of this class are synchronized.</div>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<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="../../../../../edu/snu/coral/runtime/master/JobStateManager.html#JobStateManager-edu.snu.coral.runtime.common.plan.physical.PhysicalPlan-edu.snu.coral.runtime.master.BlockManagerMaster-edu.snu.coral.runtime.master.MetricMessageHandler-int-">JobStateManager</a></span>(<a href="../../../../../edu/snu/coral/runtime/common/plan/physical/PhysicalPlan.html" title="class in edu.snu.coral.runtime.common.plan.physical">PhysicalPlan</a>&nbsp;physicalPlan,
<a href="../../../../../edu/snu/coral/runtime/master/BlockManagerMaster.html" title="class in edu.snu.coral.runtime.master">BlockManagerMaster</a>&nbsp;blockManagerMaster,
<a href="../../../../../edu/snu/coral/runtime/master/MetricMessageHandler.html" title="interface in edu.snu.coral.runtime.master">MetricMessageHandler</a>&nbsp;metricMessageHandler,
int&nbsp;maxScheduleAttempt)</code>&nbsp;</td>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../edu/snu/coral/runtime/master/JobStateManager.html#checkJobTermination--">checkJobTermination</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../edu/snu/coral/runtime/master/JobStateManager.html#checkStageCompletion-java.lang.String-">checkStageCompletion</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;stageId)</code>&nbsp;</td>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../edu/snu/coral/runtime/master/JobStateManager.html#getAttemptCountForStage-java.lang.String-">getAttemptCountForStage</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;stageId)</code>&nbsp;</td>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="../../../../../edu/snu/coral/runtime/common/state/StageState.html" title="class in edu.snu.coral.runtime.common.state">StageState</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../edu/snu/coral/runtime/master/JobStateManager.html#getIdToStageStates--">getIdToStageStates</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="../../../../../edu/snu/coral/runtime/common/state/TaskGroupState.html" title="class in edu.snu.coral.runtime.common.state">TaskGroupState</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../edu/snu/coral/runtime/master/JobStateManager.html#getIdToTaskGroupStates--">getIdToTaskGroupStates</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><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="../../../../../edu/snu/coral/runtime/master/JobStateManager.html#getJobId--">getJobId</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../edu/snu/coral/runtime/common/state/JobState.html" title="class in edu.snu.coral.runtime.common.state">JobState</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../edu/snu/coral/runtime/master/JobStateManager.html#getJobState--">getJobState</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../edu/snu/coral/runtime/common/state/StageState.html" title="class in edu.snu.coral.runtime.common.state">StageState</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../edu/snu/coral/runtime/master/JobStateManager.html#getStageState-java.lang.String-">getStageState</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;stageId)</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../edu/snu/coral/runtime/common/state/TaskGroupState.html" title="class in edu.snu.coral.runtime.common.state">TaskGroupState</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../edu/snu/coral/runtime/master/JobStateManager.html#getTaskGroupState-java.lang.String-">getTaskGroupState</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;taskGroupId)</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../edu/snu/coral/runtime/master/JobStateManager.html#onJobStateChanged-edu.snu.coral.runtime.common.state.JobState.State-">onJobStateChanged</a></span>(<a href="../../../../../edu/snu/coral/runtime/common/state/JobState.State.html" title="enum in edu.snu.coral.runtime.common.state">JobState.State</a>&nbsp;newState)</code>
<div class="block">Updates the state of the job.</div>
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<tr id="i10" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../edu/snu/coral/runtime/master/JobStateManager.html#onStageStateChanged-java.lang.String-edu.snu.coral.runtime.common.state.StageState.State-">onStageStateChanged</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;stageId,
<a href="../../../../../edu/snu/coral/runtime/common/state/StageState.State.html" title="enum in edu.snu.coral.runtime.common.state">StageState.State</a>&nbsp;newState)</code>
<div class="block">Updates the state of a stage.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../edu/snu/coral/runtime/master/JobStateManager.html#onTaskGroupStateChanged-java.lang.String-edu.snu.coral.runtime.common.state.TaskGroupState.State-">onTaskGroupStateChanged</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;taskGroupId,
<a href="../../../../../edu/snu/coral/runtime/common/state/TaskGroupState.State.html" title="enum in edu.snu.coral.runtime.common.state">TaskGroupState.State</a>&nbsp;newState)</code>
<div class="block">Updates the state of a task group.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../edu/snu/coral/runtime/master/JobStateManager.html#storeJSON-java.lang.String-java.lang.String-">storeJSON</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;directory,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;suffix)</code>
<div class="block">Stores JSON representation of job state into a file.</div>
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<td class="colFirst"><code><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="../../../../../edu/snu/coral/runtime/master/JobStateManager.html#toString--">toString</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><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="../../../../../edu/snu/coral/runtime/master/JobStateManager.html#toStringWithPhysicalPlan--">toStringWithPhysicalPlan</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../edu/snu/coral/runtime/common/state/JobState.html" title="class in edu.snu.coral.runtime.common.state">JobState</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../edu/snu/coral/runtime/master/JobStateManager.html#waitUntilFinish--">waitUntilFinish</a></span>()</code>
<div class="block">Wait for this job to be finished and return the final state.</div>
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<td class="colFirst"><code><a href="../../../../../edu/snu/coral/runtime/common/state/JobState.html" title="class in edu.snu.coral.runtime.common.state">JobState</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../edu/snu/coral/runtime/master/JobStateManager.html#waitUntilFinish-long-java.util.concurrent.TimeUnit-">waitUntilFinish</a></span>(long&nbsp;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>&nbsp;unit)</code>
<div class="block">Wait for this job to be finished and return the final state.</div>
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<h4>JobStateManager</h4>
<pre>public&nbsp;JobStateManager(<a href="../../../../../edu/snu/coral/runtime/common/plan/physical/PhysicalPlan.html" title="class in edu.snu.coral.runtime.common.plan.physical">PhysicalPlan</a>&nbsp;physicalPlan,
<a href="../../../../../edu/snu/coral/runtime/master/BlockManagerMaster.html" title="class in edu.snu.coral.runtime.master">BlockManagerMaster</a>&nbsp;blockManagerMaster,
<a href="../../../../../edu/snu/coral/runtime/master/MetricMessageHandler.html" title="interface in edu.snu.coral.runtime.master">MetricMessageHandler</a>&nbsp;metricMessageHandler,
int&nbsp;maxScheduleAttempt)</pre>
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<h4>onJobStateChanged</h4>
<pre>public&nbsp;void&nbsp;onJobStateChanged(<a href="../../../../../edu/snu/coral/runtime/common/state/JobState.State.html" title="enum in edu.snu.coral.runtime.common.state">JobState.State</a>&nbsp;newState)</pre>
<div class="block">Updates the state of the job.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>newState</code> - of the job.</dd>
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<h4>onStageStateChanged</h4>
<pre>public&nbsp;void&nbsp;onStageStateChanged(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;stageId,
<a href="../../../../../edu/snu/coral/runtime/common/state/StageState.State.html" title="enum in edu.snu.coral.runtime.common.state">StageState.State</a>&nbsp;newState)</pre>
<div class="block">Updates the state of a stage.
Stage state changes only occur in master.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>stageId</code> - of the stage.</dd>
<dd><code>newState</code> - of the stage.</dd>
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<h4>onTaskGroupStateChanged</h4>
<pre>public&nbsp;void&nbsp;onTaskGroupStateChanged(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;taskGroupId,
<a href="../../../../../edu/snu/coral/runtime/common/state/TaskGroupState.State.html" title="enum in edu.snu.coral.runtime.common.state">TaskGroupState.State</a>&nbsp;newState)</pre>
<div class="block">Updates the state of a task group.
Task group state changes can occur both in master and executor.
State changes that occur in master are
initiated in <a href="../../../../../edu/snu/coral/runtime/master/scheduler/BatchSingleJobScheduler.html" title="class in edu.snu.coral.runtime.master.scheduler"><code>BatchSingleJobScheduler</code></a>.
State changes that occur in executors are sent to master as a control message,
and the call to this method is initiated in <a href="../../../../../edu/snu/coral/runtime/master/scheduler/BatchSingleJobScheduler.html" title="class in edu.snu.coral.runtime.master.scheduler"><code>BatchSingleJobScheduler</code></a>
when the message/event is received.
A task group completion implies completion of all its tasks.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>taskGroupId</code> - the ID of the task group.</dd>
<dd><code>newState</code> - the new state of the task group.</dd>
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<h4>checkStageCompletion</h4>
<pre>public&nbsp;boolean&nbsp;checkStageCompletion(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;stageId)</pre>
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<pre>public&nbsp;boolean&nbsp;checkJobTermination()</pre>
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<pre>public&nbsp;int&nbsp;getAttemptCountForStage(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;stageId)</pre>
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<pre>public&nbsp;<a href="../../../../../edu/snu/coral/runtime/common/state/JobState.html" title="class in edu.snu.coral.runtime.common.state">JobState</a>&nbsp;waitUntilFinish()</pre>
<div class="block">Wait for this job to be finished and return the final state.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>the final state of this job.</dd>
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<pre>public&nbsp;<a href="../../../../../edu/snu/coral/runtime/common/state/JobState.html" title="class in edu.snu.coral.runtime.common.state">JobState</a>&nbsp;waitUntilFinish(long&nbsp;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>&nbsp;unit)</pre>
<div class="block">Wait for this job to be finished and return the final state.
It wait for at most the given time.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>timeout</code> - of waiting.</dd>
<dd><code>unit</code> - of the timeout.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the final state of this job.</dd>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getJobId()</pre>
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<pre>public&nbsp;<a href="../../../../../edu/snu/coral/runtime/common/state/JobState.html" title="class in edu.snu.coral.runtime.common.state">JobState</a>&nbsp;getJobState()</pre>
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<pre>public&nbsp;<a href="../../../../../edu/snu/coral/runtime/common/state/StageState.html" title="class in edu.snu.coral.runtime.common.state">StageState</a>&nbsp;getStageState(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;stageId)</pre>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="../../../../../edu/snu/coral/runtime/common/state/StageState.html" title="class in edu.snu.coral.runtime.common.state">StageState</a>&gt;&nbsp;getIdToStageStates()</pre>
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<pre>public&nbsp;<a href="../../../../../edu/snu/coral/runtime/common/state/TaskGroupState.html" title="class in edu.snu.coral.runtime.common.state">TaskGroupState</a>&nbsp;getTaskGroupState(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;taskGroupId)</pre>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="../../../../../edu/snu/coral/runtime/common/state/TaskGroupState.html" title="class in edu.snu.coral.runtime.common.state">TaskGroupState</a>&gt;&nbsp;getIdToTaskGroupStates()</pre>
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<pre>public&nbsp;void&nbsp;storeJSON(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;directory,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;suffix)</pre>
<div class="block">Stores JSON representation of job state into a file.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>directory</code> - the directory which JSON representation is saved to</dd>
<dd><code>suffix</code> - suffix for file name</dd>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;toString()</pre>
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