001    /*
002      GRANITE DATA SERVICES
003      Copyright (C) 2012 GRANITE DATA SERVICES S.A.S.
004    
005      This file is part of Granite Data Services.
006    
007      Granite Data Services is free software; you can redistribute it and/or modify
008      it under the terms of the GNU Library General Public License as published by
009      the Free Software Foundation; either version 2 of the License, or (at your
010      option) any later version.
011    
012      Granite Data Services is distributed in the hope that it will be useful, but
013      WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014      FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015      for more details.
016    
017      You should have received a copy of the GNU Library General Public License
018      along with this library; if not, see <http://www.gnu.org/licenses/>.
019    */
020    
021    package org.granite.client.messaging.events;
022    
023    import org.granite.client.messaging.messages.RequestMessage;
024    import org.granite.client.messaging.messages.ResponseMessage;
025    
026    /**
027     * @author Franck WOLFF
028     */
029    public abstract class AbstractResponseEvent<M extends ResponseMessage> implements IncomingMessageEvent<M> {
030    
031            protected final RequestMessage request;
032            protected final M response;
033            
034            public AbstractResponseEvent(RequestMessage request, M response) {
035                    if (request == null || response == null)
036                            throw new NullPointerException("request and response cannot be null");
037    
038                    this.request = request;
039                    this.response = response;
040            }
041    
042            public RequestMessage getRequest() {
043                    return request;
044            }
045    
046            public M getResponse() {
047                    return response;
048            }
049    
050            @Override
051            public M getMessage() {
052                    return response;
053            }
054    }