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org.apache.oozie.command.wf
Class ActionCheckCommand

java.lang.Object
  org.apache.oozie.command.Command<T,WorkflowStore>
      org.apache.oozie.command.wf.WorkflowCommand<Void>
          org.apache.oozie.command.wf.ActionCommand<Void>
              org.apache.oozie.command.wf.ActionCheckCommand

All Implemented Interfaces:

Callable<Void>, XCallable<Void>

public class ActionCheckCommand
extends ActionCommand<Void>

Executes the check command for ActionHandlers.

Ensures the action is in RUNNING state before executing ActionExecutor.check(org.apache.oozie.action.ActionExecutor.Context, org.apache.oozie.client.WorkflowAction)

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.oozie.command.wf.ActionCommand

ActionCommand.ActionExecutorContext

Field Summary

static String

EXEC_DATA_MISSING

Fields inherited from class org.apache.oozie.command.wf.ActionCommand

INSTR_FAILED_JOBS_COUNTER, RECOVERY_ID_SEPARATOR

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

dryrun, instrumentation, LOCK_FAILURE_REQUEUE_INTERVAL

Constructor Summary

ActionCheckCommand(String id)

ActionCheckCommand(String id, int checkDelay)

ActionCheckCommand(String id, int priority, int checkDelay)

Method Summary

protected Void	call(WorkflowStore store) DagCallable subclasses must implement this method to perform their task.
protected Void	execute(WorkflowStore store)
static void	main(String[] args)

Methods inherited from class org.apache.oozie.command.wf.ActionCommand

addActionCron, failJob, handleError, handleNonTransient, handleTransient, incrActionCounter

Methods inherited from class org.apache.oozie.command.wf.WorkflowCommand

getStoreClass

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

call, 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

Field Detail

EXEC_DATA_MISSING

public static final String EXEC_DATA_MISSING

See Also:

Constant Field Values

Constructor Detail

ActionCheckCommand

public ActionCheckCommand(String id)

ActionCheckCommand

public ActionCheckCommand(String id,
                          int priority,
                          int checkDelay)

ActionCheckCommand

public ActionCheckCommand(String id,
                          int checkDelay)

Method Detail

call

protected Void call(WorkflowStore 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,WorkflowStore>

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.

main

public static void main(String[] args)
                 throws Exception

Parameters:

args -

Throws:

Exception

execute

protected Void execute(WorkflowStore store)
                throws CommandException,
                       StoreException

Overrides:

execute in class Command<Void,WorkflowStore>

Throws:

CommandException

StoreException