001    /*
002      GRANITE DATA SERVICES
003      Copyright (C) 2011 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.gravity;
022    
023    import java.util.Collection;
024    
025    
026    import flex.messaging.messages.AsyncMessage;
027    
028    /**
029     * @author Franck WOLFF
030     */
031    public interface Channel {
032    
033        public String getId();
034        
035        public Gravity getGravity();
036    
037        public Subscription addSubscription(String destination, String subTopicId, String subscriptionId, boolean noLocal);
038        public Collection<Subscription> getSubscriptions();
039        public Subscription removeSubscription(String subscriptionId);
040    
041            public void publish(AsyncPublishedMessage message) throws MessagePublishingException;
042            public boolean hasPublishedMessage();
043            public boolean runPublish();
044            
045            public void receive(AsyncMessage message) throws MessageReceivingException;
046            public boolean hasReceivedMessage();
047            public boolean runReceive();
048            public boolean runReceived(AsyncHttpContext asyncHttpContext);
049        
050        public void destroy();
051    }