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org.apache.oozie.executor.jpa.sla
Class SLASummaryGetJPAExecutor

java.lang.Object
  org.apache.oozie.executor.jpa.sla.SLASummaryGetJPAExecutor

All Implemented Interfaces:

JPAExecutor<SLASummaryBean>

public class SLASummaryGetJPAExecutor
extends Object
implements JPAExecutor<SLASummaryBean>

Load the list of SLASummaryBean (for dashboard) and return the list.

Constructor Summary

SLASummaryGetJPAExecutor(String id)

Method Summary

SLASummaryBean	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

SLASummaryGetJPAExecutor

public SLASummaryGetJPAExecutor(String id)

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<SLASummaryBean>

Returns:

the name of the JPA executor.

execute

public SLASummaryBean 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<SLASummaryBean>

Parameters:

em - an active EntityManager

Returns:

a return value if any.

Throws:

JPAExecutorException - thrown if a jpa executor failed