org.apache.oozie.command.coord
Class CoordActionInputCheckCommand

java.lang.Object
  org.apache.oozie.command.Command<T,CoordinatorStore>
      org.apache.oozie.command.coord.CoordinatorCommand<Void>
          org.apache.oozie.command.coord.CoordActionInputCheckCommand

All Implemented Interfaces:

Callable<Void>, XCallable<Void>

public class CoordActionInputCheckCommand
extends CoordinatorCommand<Void>

Field Summary

Fields inherited from class org.apache.oozie.command.Command

dryrun, instrumentation, LOCK_FAILURE_REQUEUE_INTERVAL

Constructor Summary

CoordActionInputCheckCommand(String actionId)

Method Summary

protected Void	call(CoordinatorStore store) DagCallable subclasses must implement this method to perform their task.
protected boolean	checkInput(StringBuilder actionXml, StringBuilder existList, StringBuilder nonExistList, org.apache.hadoop.conf.Configuration conf)
protected Void	execute(CoordinatorStore store)
String	getKey() Get command key

Methods inherited from class org.apache.oozie.command.coord.CoordinatorCommand

getStoreClass

Methods inherited from class org.apache.oozie.command.Command

call, getCreatedTime, getInstrumentation, 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

CoordActionInputCheckCommand

public CoordActionInputCheckCommand(String actionId)

Method Detail

call

protected Void call(CoordinatorStore store)
             throws StoreException,
                    CommandException

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>

Parameters:

store - the workflow store instance for the callable, null if the callable does not use a store.

Returns:

the return value of the callable.

Throws:

StoreException - thrown if the workflow store could not perform an operation.

CommandException - thrown if the command could not perform its operation.

checkInput

protected boolean checkInput(StringBuilder actionXml,
                             StringBuilder existList,
                             StringBuilder nonExistList,
                             org.apache.hadoop.conf.Configuration conf)
                      throws Exception

Throws:

Exception

execute

protected Void execute(CoordinatorStore store)
                throws StoreException,
                       CommandException

Overrides:

execute in class Command<Void,CoordinatorStore>

Throws:

StoreException

CommandException

getKey

public String getKey()

Description copied from class: Command

Get command key

Specified by:

getKey in interface XCallable<Void>

Overrides:

getKey in class Command<Void,CoordinatorStore>

Returns:

command key