org.apache.oozie.executor.jpa
Class WorkflowActionSubsetGetJPAExecutor

java.lang.Object
  org.apache.oozie.executor.jpa.WorkflowActionSubsetGetJPAExecutor

All Implemented Interfaces:

JPAExecutor<List<WorkflowActionBean>>

public class WorkflowActionSubsetGetJPAExecutor
extends Object
implements JPAExecutor<List<WorkflowActionBean>>

JPA Command to get subset of workflow actions for a particular workflow.

Constructor Summary

WorkflowActionSubsetGetJPAExecutor(String wfId, int start, int length)
This Constructor creates the WorkflowActionSubsetGetJPAExecutor object Which gets the List of wrokflow action bean.

Method Summary

List<WorkflowActionBean>	execute(javax.persistence.EntityManager em) Method that encapsulates JPA access operations.
String	getName() Return the name of the JPA executor.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

WorkflowActionSubsetGetJPAExecutor

public WorkflowActionSubsetGetJPAExecutor(String wfId,
                                          int start,
                                          int length)

This Constructor creates the WorkflowActionSubsetGetJPAExecutor object Which gets the List of wrokflow action bean.

Parameters:

wfId -

start -

length -

Method Detail

execute

public List<WorkflowActionBean> execute(javax.persistence.EntityManager em)
                                 throws JPAExecutorException

Description copied from interface: JPAExecutor

Method that encapsulates JPA access operations.

Implementations should not close the received EntityManager.

Implementations should commit any transaction before ending, else the transaction will be rolled back.

Specified by:

execute in interface JPAExecutor<List<WorkflowActionBean>>

Parameters:

em - an active EntityManager

Returns:

a return value if any.

Throws:

JPAExecutorException - thrown if a jpa executor failed

getName

public String getName()

Description copied from interface: JPAExecutor

Return the name of the JPA executor. Used for logging and instrumentation.

Specified by:

getName in interface JPAExecutor<List<WorkflowActionBean>>

Returns:

the name of the JPA executor.