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/**
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* Copyright (C) 2018 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.vaadin.event;
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import java.util.Optional;
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import org.vaadin.spring.events.Event;
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import org.vaadin.spring.events.EventBusListenerMethodFilter;
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import eu.etaxonomy.cdm.vaadin.event.EntityChangeEvent.Type;
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/**
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* @author a.kohlbecker
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* @since Jan 31, 2018
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*
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*/
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public class EntityChangeEventFilter implements EventBusListenerMethodFilter {
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private Optional<Class<?>> entityType = null;
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private Optional<Type> eventType = null;
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private EntityChangeEventFilter(Class<?> entityType, Type eventType){
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this.entityType = Optional.of(entityType);
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this.eventType = Optional.of(eventType);
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}
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private EntityChangeEventFilter(Type eventType){
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this.eventType = Optional.of(eventType);
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}
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private EntityChangeEventFilter(Class<?> entityType){
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this.entityType = Optional.of(entityType);
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public boolean filter(Event<?> event) {
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if(event.getPayload() instanceof EntityChangeEvent){
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EntityChangeEvent testEvent = (EntityChangeEvent)event.getPayload();
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boolean match = true;
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if(this.entityType != null){
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match &= this.entityType.get().equals(testEvent.getEntityType());
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}
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if(this.eventType != null){
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match &= this.eventType.get().equals(testEvent.getType());
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}
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return match;
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}
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return false;
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}
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public static class OccurrenceCollectionFilter extends EntityChangeEventFilter{
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public OccurrenceCollectionFilter(){
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super(eu.etaxonomy.cdm.model.occurrence.Collection.class);
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}
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}
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public static class ReferenceFilter extends EntityChangeEventFilter {
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public ReferenceFilter() {
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super(eu.etaxonomy.cdm.model.reference.Reference.class);
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}
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}
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}
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