org.apache.oozie.executor.jpa

Class WorkflowIdGetForExternalIdJPAExecutor

java.lang.Object

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

Constructors

Constructor and Description
WorkflowIdGetForExternalIdJPAExecutor(String externalId)

Method Summary

Methods

Modifier and Type	Method and Description
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