001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *
010 *        http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License.
018 */
019
020package org.apache.isis.core.metamodel.facets.properties.event;
021
022import java.lang.reflect.InvocationTargetException;
023
024import org.apache.isis.applib.Identifier;
025import org.apache.isis.applib.services.eventbus.EventBusService;
026import org.apache.isis.applib.services.eventbus.PropertyChangedEvent;
027import org.apache.isis.core.metamodel.facets.SingleValueFacet;
028import org.apache.isis.core.metamodel.facets.properties.modify.PropertyClearFacet;
029
030/**
031 * Indicates that (the specified subclass of) {@link PropertyChangedEvent} should be posted to the
032 * {@link EventBusService}.
033 */
034public interface PostsPropertyChangedEventClearFacet 
035        extends SingleValueFacet<Class<? extends PropertyChangedEvent<?,?>>>, PropertyClearFacet {
036
037    public static class Util {
038        private Util(){}
039        public static <S,T> PropertyChangedEvent<S,T> newEvent(
040                final Class<? extends PropertyChangedEvent<S, T>> type, 
041                final S source, 
042                final Identifier identifier,
043                final T oldValue, 
044                final T newValue) throws NoSuchMethodException, SecurityException, InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException  {
045            return org.apache.isis.core.metamodel.facets.properties.event.Utils.newEvent(type, source, identifier, oldValue, newValue);
046        }
047    }
048}