org.apache.oozie.command.wf
Class ActionStartCommand

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.ActionStartCommand
All Implemented Interfaces:
Callable<Void>, XCallable<Void>

public class ActionStartCommand
extends ActionCommand<Void>


Nested Class Summary
 
Nested classes/interfaces inherited from class org.apache.oozie.command.wf.ActionCommand
ActionCommand.ActionExecutorContext
 
Field Summary
static String COULD_NOT_START
           
static String EL_ERROR
           
static String EL_EVAL_ERROR
           
static String EXEC_DATA_MISSING
           
static String START_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
ActionStartCommand(String id, String type)
           
 
Method Summary
protected  Void call(WorkflowStore store)
          DagCallable subclasses must implement this method to perform their task.
protected  Void execute(WorkflowStore store)
           
 
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

EL_ERROR

public static final String EL_ERROR
See Also:
Constant Field Values

EL_EVAL_ERROR

public static final String EL_EVAL_ERROR
See Also:
Constant Field Values

COULD_NOT_START

public static final String COULD_NOT_START
See Also:
Constant Field Values

START_DATA_MISSING

public static final String START_DATA_MISSING
See Also:
Constant Field Values

EXEC_DATA_MISSING

public static final String EXEC_DATA_MISSING
See Also:
Constant Field Values
Constructor Detail

ActionStartCommand

public ActionStartCommand(String id,
                          String type)
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.

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.