org.apache.oozie.command.wf
Class JobCommand

java.lang.Object
  org.apache.oozie.command.Command<T,WorkflowStore>
      org.apache.oozie.command.wf.WorkflowCommand<WorkflowJobBean>
          org.apache.oozie.command.wf.JobCommand

All Implemented Interfaces:

java.util.concurrent.Callable<WorkflowJobBean>, XCallable<WorkflowJobBean>

public class JobCommand
extends WorkflowCommand<WorkflowJobBean>

Command for loading a job information

Field Summary

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

dryrun, instrumentation, LOCK_FAILURE_REQUEUE_INTERVAL, type

Constructor Summary

JobCommand(java.lang.String id)

JobCommand(java.lang.String id, int start, int length)

Method Summary

protected WorkflowJobBean

call(WorkflowStore store) DagCallable subclasses must implement this method to perform their task.

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

getStoreClass

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

call, execute, 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

JobCommand

public JobCommand(java.lang.String id)

Parameters:

id - wf jobId

JobCommand

public JobCommand(java.lang.String id,
                  int start,
                  int length)

Parameters:

id - wf jobId

start - starting index in the list of actions belonging to the job

length - number of actions to be returned

Method Detail

call

protected WorkflowJobBean call(WorkflowStore 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<WorkflowJobBean,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.