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org.apache.oozie.executor.jpa
Class WorkflowJobsCountNotForPurgeFromParentIdJPAExecutor

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

All Implemented Interfaces:

JPAExecutor<Long>

public class WorkflowJobsCountNotForPurgeFromParentIdJPAExecutor
extends Object
implements JPAExecutor<Long>

Count the number of Workflow children of a parent Workflow or Coordinator that are not ready to be purged

Constructor Summary

WorkflowJobsCountNotForPurgeFromParentIdJPAExecutor(long olderThanDays, String parentId)

Method Summary

Long	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

WorkflowJobsCountNotForPurgeFromParentIdJPAExecutor

public WorkflowJobsCountNotForPurgeFromParentIdJPAExecutor(long olderThanDays,
                                                           String parentId)

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<Long>

Returns:

the name of the JPA executor.

execute

public Long 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<Long>

Parameters:

em - an active EntityManager

Returns:

a return value if any.

Throws:

JPAExecutorException - thrown if a jpa executor failed