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/**
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*
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*/
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package eu.etaxonomy.cdm.persistence.hibernate;
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import org.apache.log4j.Logger;
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import org.hibernate.boot.Metadata;
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import org.hibernate.engine.spi.SessionFactoryImplementor;
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import org.hibernate.event.service.spi.EventListenerRegistry;
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import org.hibernate.event.spi.EventType;
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import org.hibernate.integrator.spi.Integrator;
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import org.hibernate.service.spi.SessionFactoryServiceRegistry;
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/**
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* NOTE: This class could be replaced by a HibernateSpringIntegrator as suggested in
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* https://stackoverflow.com/questions/16019820/using-hibernate-4s-integrator-pattern-and-springs-dependency-injection#16045272
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* this would allow for flexible and extensible configuration via the spring application context.
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*
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* @author a.mueller
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* @since 30.03.2013
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*
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*/
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public class CdmListenerIntegrator implements Integrator {
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private static final Logger logger = Logger.getLogger(CdmListenerIntegrator.class);
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@Override
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public void integrate(Metadata metadata,
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SessionFactoryImplementor sessionFactory,
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SessionFactoryServiceRegistry serviceRegistry)
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{
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if (logger.isInfoEnabled()) {
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logger.info("Registering event listeners");
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}
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final EventListenerRegistry eventRegistry = serviceRegistry.getService(EventListenerRegistry.class);
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//duplication strategy
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eventRegistry.addDuplicationStrategy(CdmListenerDuplicationStrategy.NewInstance);
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// ValidationExecutor validationExecutor = new ValidationExecutor();
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// Level2ValidationEventListener l2Listener = new Level2ValidationEventListener();
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// l2Listener.setValidationExecutor(validationExecutor);
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// Level3ValidationEventListener l3Listener = new Level3ValidationEventListener();
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// l3Listener.setValidationExecutor(validationExecutor);
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// prepend to register before or append to register after
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// this example will register a persist event listener
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eventRegistry.prependListeners(EventType.SAVE, new CacheStrategyGenerator(), new SaveEntityListener());
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eventRegistry.prependListeners(EventType.UPDATE, new CacheStrategyGenerator(), new UpdateEntityListener());
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eventRegistry.prependListeners(EventType.SAVE_UPDATE, new CacheStrategyGenerator(), new SaveOrUpdateEntityListener());
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eventRegistry.appendListeners(EventType.MERGE, new PostMergeEntityListener());
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// eventRegistry.appendListeners(EventType.DELETE, new CdmDeleteListener());
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eventRegistry.appendListeners(EventType.POST_LOAD, new CdmPostDataChangeObservableListener());
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//with validation
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// eventRegistry.appendListeners(EventType.POST_INSERT, new CdmPostDataChangeObservableListener(), l2Listener, l3Listener);
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// eventRegistry.appendListeners(EventType.POST_UPDATE, new CdmPostDataChangeObservableListener(), l2Listener, l3Listener);
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// eventRegistry.appendListeners(EventType.POST_DELETE, new CdmPostDataChangeObservableListener(), l3Listener);
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//without validation
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eventRegistry.appendListeners(EventType.POST_INSERT, new CdmPostDataChangeObservableListener());
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eventRegistry.appendListeners(EventType.POST_UPDATE, new CdmPostDataChangeObservableListener());
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eventRegistry.appendListeners(EventType.POST_DELETE, new CdmPostDataChangeObservableListener());
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eventRegistry.appendListeners(EventType.PRE_INSERT, new CdmPreDataChangeListener());
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eventRegistry.appendListeners(EventType.PRE_UPDATE, new CdmPreDataChangeListener());
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}
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@Override
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public void disintegrate(SessionFactoryImplementor sessionFactory,
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SessionFactoryServiceRegistry serviceRegistry)
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{
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//nothing to do for now
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logger.warn("Disintegrate ListenerIntegrator not yet implemented");
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}
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}
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