/* ==================================================================== * The Vovida Software License, Version 1.0  *  * Copyright (c) 2000 Vovida Networks, Inc.  All rights reserved. *  * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: *  * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. *  * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in *    the documentation and/or other materials provided with the *    distribution. *  * 3. The names "VOCAL", "Vovida Open Communication Application Library", *    and "Vovida Open Communication Application Library (VOCAL)" must *    not be used to endorse or promote products derived from this *    software without prior written permission. For written *    permission, please contact vocal@vovida.org. * * 4. Products derived from this software may not be called "VOCAL", nor *    may "VOCAL" appear in their name, without prior written *    permission of Vovida Networks, Inc. *  * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL VOVIDA * NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES * IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH * DAMAGE. *  * ==================================================================== *  * This software consists of voluntary contributions made by Vovida * Networks, Inc. and many individuals on behalf of Vovida Networks, * Inc.  For more information on Vovida Networks, Inc., please see * <http://www.vovida.org/>. * */static const char* const tEvent_cxx_Version = "$Id$";#include "Application.hxx"#include "EventObserver.hxx"#include "EventSubject.hxx"#include <string>#include <iostream>using namespace Vocal;using namespace Vocal::Process;using namespace Vocal::Behavioral;class Policy : public EventObserver<int>{    public:    	Policy(	    EventSubject<int> 	&   es, 	    int 	    	    interest,	    const string    	&   name	) 	    : 	EventObserver<int>(es),	    	interest_(interest),		name_(name)	{	}    	~Policy() 	{	}    	bool	interestedIn(const int & event) 	{ 	    return ( event < interest_ ); 	}    	void	onEvent(int event)	{	    cout << *this << ", Received event: " << event << endl;	}	ostream &           writeTo(ostream & out) const	{	    return ( out << name_ << ", interest = " << interest_ );	}	    private:        	int 	    	interest_;	string	    	name_;	};class tEvent : public Application{    public:    	tEvent() 	{	}		~tEvent() 	{	}    	ReturnCode  	    run();	};Application *	Application::create(){    return ( new tEvent );}ReturnCodetEvent::run(){    EventSubject<int>	    subject;        Policy  	    	    policy0(subject, 10, "Policy0"),    	    	    	    policy1(subject, 20, "Policy1"),    	    	    	    policy2(subject, 50, "Policy2");			        subject.attach(policy0);    subject.attach(policy1);    subject.attach(policy2);    cout << subject << endl;    subject.setEvent(1);    subject.setEvent(11);    subject.setEvent(21);    subject.detach(policy2);    cout << subject << endl;    subject.setEvent(2);    subject.setEvent(12);    subject.setEvent(22);    subject.detach(policy1);    cout << subject << endl;    subject.setEvent(3);    subject.setEvent(13);    subject.setEvent(23);    subject.detach(policy0);    cout << subject << endl;    subject.setEvent(4);    subject.setEvent(14);    subject.setEvent(24);    return ( SUCCESS );}int main(int argc, char ** argv, char ** arge){    return ( Application::main(argc, argv, arge) );}