001/* 002 * GWTEventService 003 * Copyright (c) 2011 and beyond, strawbill UG (haftungsbeschr?nkt) 004 * 005 * This is free software; you can redistribute it and/or modify it 006 * under the terms of the GNU Lesser General Public License as 007 * published by the Free Software Foundation; either version 3 of 008 * the License, or (at your option) any later version. 009 * Other licensing for GWTEventService may also be possible on request. 010 * Please view the license.txt of the project for more information. 011 * 012 * This software is distributed in the hope that it will be useful, 013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 015 * Lesser General Public License for more details. 016 * 017 * You should have received a copy of the GNU Lesser General Public 018 * License along with this software; if not, write to the Free 019 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 020 * 02110-1301 USA, or see the FSF site: http://www.fsf.org. 021 */ 022package de.novanic.eventservice.client.event.command; 023 024import de.novanic.eventservice.client.connection.strategy.connector.RemoteEventConnector; 025import com.google.gwt.user.client.rpc.AsyncCallback; 026 027/** 028 * Command which is used at the client side to execute and handle server calls. 029 * 030 * @author sstrohschein 031 * <br>Date: 27.03.2009 032 * <br>Time: 23:34:41 033 */ 034public abstract class ServerCallCommand<R> implements ClientCommand<R> 035{ 036 private RemoteEventConnector myRemoteEventConnector; 037 private AsyncCallback<R> myCallback; 038 039 /** 040 * Creates an ServerCallCommand to execute and handle server calls. 041 * @param aRemoteEventConnector {@link de.novanic.eventservice.client.connection.strategy.connector.RemoteEventConnector} 042 * @param aCallback callback of the command 043 */ 044 protected ServerCallCommand(RemoteEventConnector aRemoteEventConnector, AsyncCallback<R> aCallback) { 045 myRemoteEventConnector = aRemoteEventConnector; 046 myCallback = aCallback; 047 } 048 049 /** 050 * Returns the registered {@link de.novanic.eventservice.client.connection.strategy.connector.RemoteEventConnector}. 051 * @return {@link de.novanic.eventservice.client.connection.strategy.connector.RemoteEventConnector} 052 */ 053 protected RemoteEventConnector getRemoteEventConnector() { 054 return myRemoteEventConnector; 055 } 056 057 /** 058 * Returns the callback of the command. That can be used to get the callback when the command executes a server 059 * call. 060 * @return callback of the command 061 */ 062 public AsyncCallback<R> getCommandCallback() { 063 return myCallback; 064 } 065}