org.apache.oozie.command.wf
Class ActionCheckCommand

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


Copyright © 2012 Apache Software Foundation. All Rights Reserved.