org.apache.camel.component.jpa
Class JpaConsumer

java.lang.Object
  org.apache.camel.support.ServiceSupport
      org.apache.camel.impl.DefaultConsumer
          org.apache.camel.impl.ScheduledPollConsumer
              org.apache.camel.component.jpa.JpaConsumer

All Implemented Interfaces:

Runnable, org.apache.camel.BatchConsumer, org.apache.camel.Consumer, org.apache.camel.PollingConsumerPollingStrategy, org.apache.camel.Service, org.apache.camel.ShutdownableService, org.apache.camel.spi.ShutdownAware, org.apache.camel.StatefulService, org.apache.camel.SuspendableService

public class JpaConsumer
extends org.apache.camel.impl.ScheduledPollConsumer
implements org.apache.camel.BatchConsumer, org.apache.camel.spi.ShutdownAware

Version:

Field Summary

Fields inherited from class org.apache.camel.impl.DefaultConsumer

log

Fields inherited from class org.apache.camel.support.ServiceSupport

shutdown, shuttingdown, started, starting, stopped, stopping, suspended, suspending

Constructor Summary

JpaConsumer(JpaEndpoint endpoint, org.apache.camel.Processor processor)

Method Summary

protected void	configureParameters(javax.persistence.Query query)
protected DeleteHandler<Object>	createDeleteHandler()
protected org.apache.camel.Exchange	createExchange(Object result)
protected QueryFactory	createQueryFactory()
boolean	deferShutdown(org.apache.camel.ShutdownRunningTask shutdownRunningTask)
DeleteHandler<Object>	getDeleteHandler()
JpaEndpoint	getEndpoint()
protected String	getEntityName(Class<?> clazz)
String	getNamedQuery()
String	getNativeQuery()
int	getPendingExchangesSize()
String	getQuery()
QueryFactory	getQueryFactory()
Class<?>	getResultClass()
boolean	isBatchAllowed()
protected boolean	lockEntity(Object entity, javax.persistence.EntityManager entityManager) A strategy method to lock an object with an exclusive lock so that it can be processed
protected int	poll()
void	prepareShutdown()
int	processBatch(Queue<Object> exchanges)
void	setDeleteHandler(DeleteHandler<Object> deleteHandler)
void	setMaxMessagesPerPoll(int maxMessagesPerPoll)
void	setNamedQuery(String namedQuery)
void	setNativeQuery(String nativeQuery)
void	setQuery(String query)
void	setQueryFactory(QueryFactory queryFactory)
void	setResultClass(Class<?> resultClass)

Methods inherited from class org.apache.camel.impl.ScheduledPollConsumer

afterPoll, beforePoll, doStart, doStop, doSuspend, getDelay, getInitialDelay, getPollStrategy, getRunLoggingLevel, getTimeUnit, isPollAllowed, isSendEmptyMessageWhenIdle, isStartScheduler, isUseFixedDelay, onInit, processEmptyMessage, run, setDelay, setInitialDelay, setPollStrategy, setRunLoggingLevel, setSendEmptyMessageWhenIdle, setStartScheduler, setTimeUnit, setUseFixedDelay, startScheduler

Methods inherited from class org.apache.camel.impl.DefaultConsumer

getAsyncProcessor, getExceptionHandler, getProcessor, handleException, setExceptionHandler, toString

Methods inherited from class org.apache.camel.support.ServiceSupport

doResume, doShutdown, getStatus, getVersion, isRunAllowed, isStarted, isStarting, isStopped, isStopping, isSuspended, isSuspending, resume, shutdown, start, stop, suspend

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.camel.Service

start, stop

Methods inherited from interface org.apache.camel.SuspendableService

isSuspended, resume, suspend

Constructor Detail

JpaConsumer

public JpaConsumer(JpaEndpoint endpoint,
                   org.apache.camel.Processor processor)

Method Detail

poll

protected int poll()
            throws Exception

Specified by:

poll in class org.apache.camel.impl.ScheduledPollConsumer

Throws:

Exception

setMaxMessagesPerPoll

public void setMaxMessagesPerPoll(int maxMessagesPerPoll)

Specified by:

setMaxMessagesPerPoll in interface org.apache.camel.BatchConsumer

processBatch

public int processBatch(Queue<Object> exchanges)
                 throws Exception

Specified by:

processBatch in interface org.apache.camel.BatchConsumer

Throws:

Exception

deferShutdown

public boolean deferShutdown(org.apache.camel.ShutdownRunningTask shutdownRunningTask)

Specified by:

deferShutdown in interface org.apache.camel.spi.ShutdownAware

getPendingExchangesSize

public int getPendingExchangesSize()

Specified by:

getPendingExchangesSize in interface org.apache.camel.spi.ShutdownAware

prepareShutdown

public void prepareShutdown()

Specified by:

prepareShutdown in interface org.apache.camel.spi.ShutdownAware

isBatchAllowed

public boolean isBatchAllowed()

Specified by:

isBatchAllowed in interface org.apache.camel.BatchConsumer

getEndpoint

public JpaEndpoint getEndpoint()

Specified by:

getEndpoint in interface org.apache.camel.Consumer

Overrides:

getEndpoint in class org.apache.camel.impl.DefaultConsumer

getQueryFactory

public QueryFactory getQueryFactory()

setQueryFactory

public void setQueryFactory(QueryFactory queryFactory)

getDeleteHandler

public DeleteHandler<Object> getDeleteHandler()

setDeleteHandler

public void setDeleteHandler(DeleteHandler<Object> deleteHandler)

getNamedQuery

public String getNamedQuery()

setNamedQuery

public void setNamedQuery(String namedQuery)

getNativeQuery

public String getNativeQuery()

setNativeQuery

public void setNativeQuery(String nativeQuery)

getQuery

public String getQuery()

setQuery

public void setQuery(String query)

getResultClass

public Class<?> getResultClass()

setResultClass

public void setResultClass(Class<?> resultClass)

lockEntity

protected boolean lockEntity(Object entity,
                             javax.persistence.EntityManager entityManager)

A strategy method to lock an object with an exclusive lock so that it can be processed

Parameters:

entity - the entity to be locked

entityManager - entity manager

Returns:

true if the entity was locked

createQueryFactory

protected QueryFactory createQueryFactory()

getEntityName

protected String getEntityName(Class<?> clazz)

createDeleteHandler

protected DeleteHandler<Object> createDeleteHandler()

configureParameters

protected void configureParameters(javax.persistence.Query query)

createExchange

protected org.apache.camel.Exchange createExchange(Object result)