org.apache.oozie.executor.jpa
Class WorkflowIdGetForExternalIdJPAExecutor

java.lang.Object
  extended by org.apache.oozie.executor.jpa.WorkflowIdGetForExternalIdJPAExecutor
All Implemented Interfaces:
JPAExecutor<String>

public class WorkflowIdGetForExternalIdJPAExecutor
extends Object
implements JPAExecutor<String>

Get the Workflow ID with given external ID which will be assigned for the subworkflows.


Constructor Summary
WorkflowIdGetForExternalIdJPAExecutor(String externalId)
           
 
Method Summary
 String 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

WorkflowIdGetForExternalIdJPAExecutor

public WorkflowIdGetForExternalIdJPAExecutor(String externalId)
Method Detail

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<String>
Returns:
the name of the JPA executor.

execute

public String 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<String>
Parameters:
em - an active EntityManager
Returns:
a return value if any.
Throws:
JPAExecutorException - thrown if a jpa executor failed


Copyright © 2012 Apache Software Foundation. All Rights Reserved.