org.apache.oozie.executor.jpa
Class WorkflowJobsCountNotForPurgeFromParentIdJPAExecutor

java.lang.Object
  extended by 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


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