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| <div class="subTitle">edu.snu.coral.runtime.master.scheduler</div> |
| <h2 title="Class BatchSingleJobScheduler" class="title">Class BatchSingleJobScheduler</h2> |
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| <ul class="inheritance"> |
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| <li>edu.snu.coral.runtime.master.scheduler.BatchSingleJobScheduler</li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="../../../../../../edu/snu/coral/runtime/master/scheduler/Scheduler.html" title="interface in edu.snu.coral.runtime.master.scheduler">Scheduler</a></dd> |
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| <pre>public final class <span class="typeNameLabel">BatchSingleJobScheduler</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> |
| implements <a href="../../../../../../edu/snu/coral/runtime/master/scheduler/Scheduler.html" title="interface in edu.snu.coral.runtime.master.scheduler">Scheduler</a></pre> |
| <div class="block">BatchSingleJobScheduler receives a single <a href="../../../../../../edu/snu/coral/runtime/common/plan/physical/PhysicalPlan.html" title="class in edu.snu.coral.runtime.common.plan.physical"><code>PhysicalPlan</code></a> to execute and schedules the TaskGroups. |
| The policy by which it schedules them is dependent on the implementation of <a href="../../../../../../edu/snu/coral/runtime/master/scheduler/SchedulingPolicy.html" title="interface in edu.snu.coral.runtime.master.scheduler"><code>SchedulingPolicy</code></a>.</div> |
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| <h3>Constructor Summary</h3> |
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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="../../../../../../edu/snu/coral/runtime/master/scheduler/BatchSingleJobScheduler.html#BatchSingleJobScheduler-edu.snu.coral.runtime.master.scheduler.SchedulingPolicy-edu.snu.coral.runtime.master.scheduler.SchedulerRunner-edu.snu.coral.runtime.master.scheduler.PendingTaskGroupQueue-edu.snu.coral.runtime.master.BlockManagerMaster-edu.snu.coral.common.eventhandler.PubSubEventHandlerWrapper-edu.snu.coral.runtime.master.eventhandler.UpdatePhysicalPlanEventHandler-">BatchSingleJobScheduler</a></span>(<a href="../../../../../../edu/snu/coral/runtime/master/scheduler/SchedulingPolicy.html" title="interface in edu.snu.coral.runtime.master.scheduler">SchedulingPolicy</a> schedulingPolicy, |
| <a href="../../../../../../edu/snu/coral/runtime/master/scheduler/SchedulerRunner.html" title="class in edu.snu.coral.runtime.master.scheduler">SchedulerRunner</a> schedulerRunner, |
| <a href="../../../../../../edu/snu/coral/runtime/master/scheduler/PendingTaskGroupQueue.html" title="interface in edu.snu.coral.runtime.master.scheduler">PendingTaskGroupQueue</a> pendingTaskGroupQueue, |
| <a href="../../../../../../edu/snu/coral/runtime/master/BlockManagerMaster.html" title="class in edu.snu.coral.runtime.master">BlockManagerMaster</a> blockManagerMaster, |
| <a href="../../../../../../edu/snu/coral/common/eventhandler/PubSubEventHandlerWrapper.html" title="class in edu.snu.coral.common.eventhandler">PubSubEventHandlerWrapper</a> pubSubEventHandlerWrapper, |
| <a href="../../../../../../edu/snu/coral/runtime/master/eventhandler/UpdatePhysicalPlanEventHandler.html" title="class in edu.snu.coral.runtime.master.eventhandler">UpdatePhysicalPlanEventHandler</a> updatePhysicalPlanEventHandler)</code> </td> |
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| <h3>Method Summary</h3> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../edu/snu/coral/runtime/master/scheduler/BatchSingleJobScheduler.html#onExecutorAdded-java.lang.String-">onExecutorAdded</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> executorId)</code> |
| <div class="block">Called when an executor is added to Runtime, so that the extra resource can be used to execute the job.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../edu/snu/coral/runtime/master/scheduler/BatchSingleJobScheduler.html#onExecutorRemoved-java.lang.String-">onExecutorRemoved</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> executorId)</code> |
| <div class="block">Called when an executor is removed from Runtime, so that faults related to the removal can be handled.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../edu/snu/coral/runtime/master/scheduler/BatchSingleJobScheduler.html#onTaskGroupStateChanged-java.lang.String-java.lang.String-edu.snu.coral.runtime.common.state.TaskGroupState.State-int-java.lang.String-edu.snu.coral.runtime.common.state.TaskGroupState.RecoverableFailureCause-">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> executorId, |
| <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> taskGroupId, |
| <a href="../../../../../../edu/snu/coral/runtime/common/state/TaskGroupState.State.html" title="enum in edu.snu.coral.runtime.common.state">TaskGroupState.State</a> newState, |
| int attemptIdx, |
| <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> taskPutOnHold, |
| <a href="../../../../../../edu/snu/coral/runtime/common/state/TaskGroupState.RecoverableFailureCause.html" title="enum in edu.snu.coral.runtime.common.state">TaskGroupState.RecoverableFailureCause</a> failureCause)</code> |
| <div class="block">Receives a <code>ControlMessage.TaskGroupStateChangedMsg</code> from an executor.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../edu/snu/coral/runtime/master/scheduler/BatchSingleJobScheduler.html#scheduleJob-edu.snu.coral.runtime.common.plan.physical.PhysicalPlan-edu.snu.coral.runtime.master.JobStateManager-">scheduleJob</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> jobToSchedule, |
| <a href="../../../../../../edu/snu/coral/runtime/master/JobStateManager.html" title="class in edu.snu.coral.runtime.master">JobStateManager</a> scheduledJobStateManager)</code> |
| <div class="block">Receives a job to schedule.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../edu/snu/coral/runtime/master/scheduler/BatchSingleJobScheduler.html#terminate--">terminate</a></span>()</code> |
| <div class="block">To be called when a job should be terminated.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../edu/snu/coral/runtime/master/scheduler/BatchSingleJobScheduler.html#updateJob-java.lang.String-edu.snu.coral.runtime.common.plan.physical.PhysicalPlan-edu.snu.coral.common.Pair-">updateJob</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> jobId, |
| <a href="../../../../../../edu/snu/coral/runtime/common/plan/physical/PhysicalPlan.html" title="class in edu.snu.coral.runtime.common.plan.physical">PhysicalPlan</a> newPhysicalPlan, |
| <a href="../../../../../../edu/snu/coral/common/Pair.html" title="class in edu.snu.coral.common">Pair</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="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> taskInfo)</code> |
| <div class="block">Receives and updates the scheduler with a new physical plan for a job.</div> |
| </td> |
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| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
| </ul> |
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| <h3>Constructor Detail</h3> |
| <a name="BatchSingleJobScheduler-edu.snu.coral.runtime.master.scheduler.SchedulingPolicy-edu.snu.coral.runtime.master.scheduler.SchedulerRunner-edu.snu.coral.runtime.master.scheduler.PendingTaskGroupQueue-edu.snu.coral.runtime.master.BlockManagerMaster-edu.snu.coral.common.eventhandler.PubSubEventHandlerWrapper-edu.snu.coral.runtime.master.eventhandler.UpdatePhysicalPlanEventHandler-"> |
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| <h4>BatchSingleJobScheduler</h4> |
| <pre>@Inject |
| public BatchSingleJobScheduler(<a href="../../../../../../edu/snu/coral/runtime/master/scheduler/SchedulingPolicy.html" title="interface in edu.snu.coral.runtime.master.scheduler">SchedulingPolicy</a> schedulingPolicy, |
| <a href="../../../../../../edu/snu/coral/runtime/master/scheduler/SchedulerRunner.html" title="class in edu.snu.coral.runtime.master.scheduler">SchedulerRunner</a> schedulerRunner, |
| <a href="../../../../../../edu/snu/coral/runtime/master/scheduler/PendingTaskGroupQueue.html" title="interface in edu.snu.coral.runtime.master.scheduler">PendingTaskGroupQueue</a> pendingTaskGroupQueue, |
| <a href="../../../../../../edu/snu/coral/runtime/master/BlockManagerMaster.html" title="class in edu.snu.coral.runtime.master">BlockManagerMaster</a> blockManagerMaster, |
| <a href="../../../../../../edu/snu/coral/common/eventhandler/PubSubEventHandlerWrapper.html" title="class in edu.snu.coral.common.eventhandler">PubSubEventHandlerWrapper</a> pubSubEventHandlerWrapper, |
| <a href="../../../../../../edu/snu/coral/runtime/master/eventhandler/UpdatePhysicalPlanEventHandler.html" title="class in edu.snu.coral.runtime.master.eventhandler">UpdatePhysicalPlanEventHandler</a> updatePhysicalPlanEventHandler)</pre> |
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| <h3>Method Detail</h3> |
| <a name="scheduleJob-edu.snu.coral.runtime.common.plan.physical.PhysicalPlan-edu.snu.coral.runtime.master.JobStateManager-"> |
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| <h4>scheduleJob</h4> |
| <pre>public void scheduleJob(<a href="../../../../../../edu/snu/coral/runtime/common/plan/physical/PhysicalPlan.html" title="class in edu.snu.coral.runtime.common.plan.physical">PhysicalPlan</a> jobToSchedule, |
| <a href="../../../../../../edu/snu/coral/runtime/master/JobStateManager.html" title="class in edu.snu.coral.runtime.master">JobStateManager</a> scheduledJobStateManager)</pre> |
| <div class="block">Receives a job to schedule.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../edu/snu/coral/runtime/master/scheduler/Scheduler.html#scheduleJob-edu.snu.coral.runtime.common.plan.physical.PhysicalPlan-edu.snu.coral.runtime.master.JobStateManager-">scheduleJob</a></code> in interface <code><a href="../../../../../../edu/snu/coral/runtime/master/scheduler/Scheduler.html" title="interface in edu.snu.coral.runtime.master.scheduler">Scheduler</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>jobToSchedule</code> - the physical plan for the job.</dd> |
| <dd><code>scheduledJobStateManager</code> - to keep track of the submitted job's states.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="updateJob-java.lang.String-edu.snu.coral.runtime.common.plan.physical.PhysicalPlan-edu.snu.coral.common.Pair-"> |
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| <h4>updateJob</h4> |
| <pre>public void updateJob(<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> jobId, |
| <a href="../../../../../../edu/snu/coral/runtime/common/plan/physical/PhysicalPlan.html" title="class in edu.snu.coral.runtime.common.plan.physical">PhysicalPlan</a> newPhysicalPlan, |
| <a href="../../../../../../edu/snu/coral/common/Pair.html" title="class in edu.snu.coral.common">Pair</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="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> taskInfo)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../edu/snu/coral/runtime/master/scheduler/Scheduler.html#updateJob-java.lang.String-edu.snu.coral.runtime.common.plan.physical.PhysicalPlan-edu.snu.coral.common.Pair-">Scheduler</a></code></span></div> |
| <div class="block">Receives and updates the scheduler with a new physical plan for a job.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../edu/snu/coral/runtime/master/scheduler/Scheduler.html#updateJob-java.lang.String-edu.snu.coral.runtime.common.plan.physical.PhysicalPlan-edu.snu.coral.common.Pair-">updateJob</a></code> in interface <code><a href="../../../../../../edu/snu/coral/runtime/master/scheduler/Scheduler.html" title="interface in edu.snu.coral.runtime.master.scheduler">Scheduler</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>jobId</code> - the ID of the job to change the physical plan.</dd> |
| <dd><code>newPhysicalPlan</code> - new physical plan for the job.</dd> |
| <dd><code>taskInfo</code> - pair containing the information of the executor id and task group id to mark as complete after the |
| update.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="onTaskGroupStateChanged-java.lang.String-java.lang.String-edu.snu.coral.runtime.common.state.TaskGroupState.State-int-java.lang.String-edu.snu.coral.runtime.common.state.TaskGroupState.RecoverableFailureCause-"> |
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| <h4>onTaskGroupStateChanged</h4> |
| <pre>public void 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> executorId, |
| <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> taskGroupId, |
| <a href="../../../../../../edu/snu/coral/runtime/common/state/TaskGroupState.State.html" title="enum in edu.snu.coral.runtime.common.state">TaskGroupState.State</a> newState, |
| int attemptIdx, |
| <a href="https://docs.oracle.com/javase/8/docs/api/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation">@Nullable</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> taskPutOnHold, |
| <a href="../../../../../../edu/snu/coral/runtime/common/state/TaskGroupState.RecoverableFailureCause.html" title="enum in edu.snu.coral.runtime.common.state">TaskGroupState.RecoverableFailureCause</a> failureCause)</pre> |
| <div class="block">Receives a <code>ControlMessage.TaskGroupStateChangedMsg</code> from an executor. |
| The message is received via communicator where this method is called.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../edu/snu/coral/runtime/master/scheduler/Scheduler.html#onTaskGroupStateChanged-java.lang.String-java.lang.String-edu.snu.coral.runtime.common.state.TaskGroupState.State-int-java.lang.String-edu.snu.coral.runtime.common.state.TaskGroupState.RecoverableFailureCause-">onTaskGroupStateChanged</a></code> in interface <code><a href="../../../../../../edu/snu/coral/runtime/master/scheduler/Scheduler.html" title="interface in edu.snu.coral.runtime.master.scheduler">Scheduler</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>executorId</code> - the id of the executor where the message was sent from.</dd> |
| <dd><code>taskGroupId</code> - whose state has changed</dd> |
| <dd><code>newState</code> - the state to change to</dd> |
| <dd><code>taskPutOnHold</code> - the ID of task that are put on hold. It is null otherwise.</dd> |
| <dd><code>attemptIdx</code> - the number of times this TaskGroup has executed. |
| the below parameters are only valid for failures *****************</dd> |
| <dd><code>failureCause</code> - for which the TaskGroup failed in the case of a recoverable failure.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="onExecutorAdded-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>onExecutorAdded</h4> |
| <pre>public void onExecutorAdded(<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> executorId)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../edu/snu/coral/runtime/master/scheduler/Scheduler.html#onExecutorAdded-java.lang.String-">Scheduler</a></code></span></div> |
| <div class="block">Called when an executor is added to Runtime, so that the extra resource can be used to execute the job.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../edu/snu/coral/runtime/master/scheduler/Scheduler.html#onExecutorAdded-java.lang.String-">onExecutorAdded</a></code> in interface <code><a href="../../../../../../edu/snu/coral/runtime/master/scheduler/Scheduler.html" title="interface in edu.snu.coral.runtime.master.scheduler">Scheduler</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>executorId</code> - of the executor that has been added.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="onExecutorRemoved-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>onExecutorRemoved</h4> |
| <pre>public void onExecutorRemoved(<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> executorId)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../edu/snu/coral/runtime/master/scheduler/Scheduler.html#onExecutorRemoved-java.lang.String-">Scheduler</a></code></span></div> |
| <div class="block">Called when an executor is removed from Runtime, so that faults related to the removal can be handled.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../edu/snu/coral/runtime/master/scheduler/Scheduler.html#onExecutorRemoved-java.lang.String-">onExecutorRemoved</a></code> in interface <code><a href="../../../../../../edu/snu/coral/runtime/master/scheduler/Scheduler.html" title="interface in edu.snu.coral.runtime.master.scheduler">Scheduler</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>executorId</code> - of the executor that has been removed.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="terminate--"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>terminate</h4> |
| <pre>public void terminate()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../edu/snu/coral/runtime/master/scheduler/Scheduler.html#terminate--">Scheduler</a></code></span></div> |
| <div class="block">To be called when a job should be terminated. |
| Any clean up code should be implemented in this method.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../edu/snu/coral/runtime/master/scheduler/Scheduler.html#terminate--">terminate</a></code> in interface <code><a href="../../../../../../edu/snu/coral/runtime/master/scheduler/Scheduler.html" title="interface in edu.snu.coral.runtime.master.scheduler">Scheduler</a></code></dd> |
| </dl> |
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