Class CoordPurgeCommand

  extended by org.apache.oozie.command.Command<T,CoordinatorStore>
      extended by org.apache.oozie.command.coord.CoordinatorCommand<Void>
          extended by org.apache.oozie.command.coord.CoordPurgeCommand
All Implemented Interfaces:
Callable<Void>, XCallable<Void>

public class CoordPurgeCommand
extends CoordinatorCommand<Void>

Field Summary
Fields inherited from class org.apache.oozie.command.Command
dryrun, instrumentation, LOCK_FAILURE_REQUEUE_INTERVAL
Constructor Summary
CoordPurgeCommand(int olderThan, int limit)
Method Summary
protected  Void call(CoordinatorStore store)
          DagCallable subclasses must implement this method to perform their task.
Methods inherited from class org.apache.oozie.command.coord.CoordinatorCommand
Methods inherited from class org.apache.oozie.command.Command
call, execute, getCreatedTime, getInstrumentation, getKey, getName, getPriority, getType, incrCommandCounter, incrJobCounter, incrJobCounter, lock, logQueueCallableFalse, queueCallable, queueCallable, queueCallable, queueCallableForException, resetLogInfoAction, resetLogInfoWorkflow, setLogInfo, setLogInfo, setLogInfo, setLogInfo, toString
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail


public CoordPurgeCommand(int olderThan,
                         int limit)
Method Detail


protected Void call(CoordinatorStore store)
             throws StoreException,
Description copied from class: Command
DagCallable subclasses must implement this method to perform their task.

The workflow store works in transactional mode. The transaction is committed only if this method ends successfully. Otherwise the transaction is rolledback.

Specified by:
call in class Command<Void,CoordinatorStore>
store - the workflow store instance for the callable, null if the callable does not use a store.
the return value of the callable.
StoreException - thrown if the workflow store could not perform an operation.
CommandException - thrown if the command could not perform its operation.

Copyright © 2012 Apache Software Foundation. All Rights Reserved.