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

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

All Implemented Interfaces:

JPAExecutor<List<SLASummaryBean>>

public class SLASummaryGetForFilterJPAExecutor
extends Object
implements JPAExecutor<List<SLASummaryBean>>

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

Nested Class Summary

static class

SLASummaryGetForFilterJPAExecutor.SLASummaryFilter

Constructor Summary

SLASummaryGetForFilterJPAExecutor(SLASummaryGetForFilterJPAExecutor.SLASummaryFilter filter, int numMaxResults)

Method Summary

List<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

SLASummaryGetForFilterJPAExecutor

public SLASummaryGetForFilterJPAExecutor(SLASummaryGetForFilterJPAExecutor.SLASummaryFilter filter,
                                         int numMaxResults)

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<List<SLASummaryBean>>

Returns:

the name of the JPA executor.

execute

public List<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<List<SLASummaryBean>>

Parameters:

em - an active EntityManager

Returns:

a return value if any.

Throws:

JPAExecutorException - thrown if a jpa executor failed