org.apache.oozie.executor.jpa
Class CoordJobInfoGetJPAExecutor

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

public class CoordJobInfoGetJPAExecutor
extends Object
implements JPAExecutor<CoordinatorJobInfo>

Load the CoordinatorInfo and return it.


Constructor Summary
CoordJobInfoGetJPAExecutor(Map<String,List<String>> filter, int start, int len)
           
 
Method Summary
 CoordinatorJobInfo 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

CoordJobInfoGetJPAExecutor

public CoordJobInfoGetJPAExecutor(Map<String,List<String>> filter,
                                  int start,
                                  int len)
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<CoordinatorJobInfo>
Returns:
the name of the JPA executor.

execute

public CoordinatorJobInfo 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<CoordinatorJobInfo>
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.