org.apache.oozie.command.wf
Class JobsCommand

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

All Implemented Interfaces:

Callable<WorkflowsInfo>, XCallable<WorkflowsInfo>

public class JobsCommand
extends WorkflowCommand<WorkflowsInfo>

Command for loading the Workflows according to the given filter information

Field Summary

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

dryrun, instrumentation, LOCK_FAILURE_REQUEUE_INTERVAL

Constructor Summary

JobsCommand(Map<String,List<String>> filter, int start, int length)
Constructor taking the filter information

Method Summary

protected WorkflowsInfo

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, 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

Constructor Detail

JobsCommand

public JobsCommand(Map<String,List<String>> filter,
                   int start,
                   int length)

Constructor taking the filter information

Parameters:

filter - Can be name, status, user, group and combination of these

start - starting from this index in the list of workflows matching the filter are returned

length - number of workflows to be returned from the list of workflows matching the filter and starting from index "start".

Method Detail

call

protected WorkflowsInfo 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<WorkflowsInfo,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.