samer@0: /*
samer@0:  *	CompoundAgent.java	
samer@0:  *
samer@0:  *	Copyright (c) 2000, Samer Abdallah, King's College London.
samer@0:  *	All rights reserved.
samer@0:  *
samer@0:  *	This software is provided AS iS and WITHOUT ANY WARRANTY; 
samer@0:  *	without even the implied warranty of MERCHANTABILITY or 
samer@0:  *	FITNESS FOR A PARTICULAR PURPOSE.
samer@0:  */
samer@0: 
samer@0: package samer.core;
samer@0: 
samer@0: /** An Agent that is a composition of two given Agents. */
samer@0: public class CompoundAgent implements Agent
samer@0: {
samer@0: 	Agent a1, a2;
samer@0: 
samer@0: 	public CompoundAgent(Agent a1,Agent a2) { this.a1=a1; this.a2=a2; }
samer@0: 
samer@0: 	/** This reports the commands from both the child agents. Duplicate
samer@0: 		commands are not removed. */
samer@0: 	public void getCommands(Registry r) { a1.getCommands(r); r.group(); a2.getCommands(r); }
samer@0: 
samer@0: 	/** Forwards the the command on to BOTH child agents in the order specified
samer@0: 		in the constructor. */
samer@0: 	public void execute( String name, Environment env) throws Exception {
samer@0: 		a1.execute(name,env);
samer@0: 		a2.execute(name,env);
samer@0: 	}
samer@0: }