Examples of org.jgroups.mux.Multiplexer

org.jgroups.mux.Multiplexer
Used for dispatching incoming messages. The Multiplexer implements UpHandler and registers with the associated JChannel (there can only be 1 Multiplexer per JChannel). When up() is called with a message, the header of the message is removed and the MuxChannel corresponding to the header's service ID is retrieved from the map, and MuxChannel.up() is called with the message. @author Bela Ban @version $Id: Multiplexer.java,v 1.35.2.2 2006/12/11 11:20:17 belaban Exp $

            throw new IllegalArgumentException("stack name and service ID have to be non null");
        
        if(stack_name.length()==0 || id.length() == 0)
            throw new IllegalArgumentException("stack name and service ID have to non empty strings");
               
        Multiplexer mux = null;
        synchronized (channels) {
            if (!channels.containsKey(stack_name)) {
                JChannel ch = new JChannel(getConfig(stack_name));
                registerChannel(ch, stack_name);
                mux = new Multiplexer(ch);
                channels.put(stack_name, mux);
            } else {
                mux = channels.get(stack_name);
            }
        }
        if(register_for_state_transfer)
            mux.registerForStateTransfer(id, substate_id);
        
        Channel c = mux.createMuxChannel(id, stack_name);
        c.addChannelListener(new MuxFactoryChannelListener());
        return c;
    }

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     * @param id
     *            service id
     * @return true if such MuxChannel exists, false otherwise
     */
   public boolean hasMuxChannel(String stack_name, String id) {
    Multiplexer entry = channels.get(stack_name);
    if (entry != null) {
      Set<String> services = entry.getServiceIds();
      return (services != null && services.contains(id));
    }
    return false;
  }

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    @ManagedOperation
    public void destroy() {        
        synchronized (channels) {
            for(Map.Entry<String,Multiplexer> entry: channels.entrySet()){                
                Multiplexer m = entry.getValue();
                if(m != null){
                    m.closeAll();
                    m.close();
                }           
            }    
        }        
        unregister(domain + ":*");        
        channels.clear();

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    @ManagedOperation
    public String dumpChannels() {
        StringBuilder sb = new StringBuilder();
        synchronized (channels) {
            for (Map.Entry<String, Multiplexer> entry : channels.entrySet()) {                
                Multiplexer m = entry.getValue();
                sb.append(entry.getKey()).append(": ").append(m.getServiceIds()).append("\n");
            }
        }
        return sb.toString();
    }

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    private class MuxFactoryChannelListener extends ChannelListenerAdapter{


        public void channelClosed(Channel channel) {
            MuxChannel mch = (MuxChannel)channel;
            Multiplexer multiplexer = mch.getMultiplexer();
            boolean all_closed = multiplexer.close();
            if(all_closed) {
                channels.remove(mch.getStackName());
                unregister(domain + ":*,cluster=" + mch.getStackName());
            }
        }

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            throw new IllegalArgumentException("stack name and service ID have to be non null");
        
        if(stack_name.length()==0 || id.length() == 0)
            throw new IllegalArgumentException("stack name and service ID have to non empty strings");
               
        Multiplexer mux = null;
        synchronized (channels) {
            if (!channels.containsKey(stack_name)) {
                JChannel ch = new JChannel(getConfig(stack_name));
                registerChannel(ch, stack_name);
                mux = new Multiplexer(ch);
                channels.put(stack_name, mux);
            } else {
                mux = channels.get(stack_name);
            }
        }
        if(register_for_state_transfer)
            mux.registerForStateTransfer(id, substate_id);
        
        Channel c = mux.createMuxChannel(id, stack_name);
        c.addChannelListener(new MuxFactoryChannelListener());
        return c;
    }

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     * @param id
     *            service id
     * @return true if such MuxChannel exists, false otherwise
     */
   public boolean hasMuxChannel(String stack_name, String id) {
    Multiplexer entry = channels.get(stack_name);
    if (entry != null) {
      Set<String> services = entry.getServiceIds();
      return (services != null && services.contains(id));
    }
    return false;
  }

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    }


    public void destroy() {        
        synchronized (channels) {
            for(Map.Entry<String,Multiplexer> entry: channels.entrySet()){                
                Multiplexer m = entry.getValue();
                if(m != null){
                    m.closeAll();
                    m.close();
                }           
            }    
        }        
        unregister(domain + ":*");        
        channels.clear();

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    public String dumpChannels() {
        StringBuilder sb = new StringBuilder();
        synchronized (channels) {
            for (Map.Entry<String, Multiplexer> entry : channels.entrySet()) {                
                Multiplexer m = entry.getValue();
                sb.append(entry.getKey()).append(": ").append(m.getServiceIds()).append("\n");
            }
        }
        return sb.toString();
    }

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    private class MuxFactoryChannelListener extends ChannelListenerAdapter{


        public void channelClosed(Channel channel) {
            MuxChannel mch = (MuxChannel)channel;
            Multiplexer multiplexer = mch.getMultiplexer();
            boolean all_closed = multiplexer.close();
            if(all_closed) {
                channels.remove(mch.getStackName());
                unregister(domain + ":*,cluster=" + mch.getStackName());
            }
        }

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Related Classes of org.jgroups.mux.Multiplexer

org.jgroups.JChannelFactory

org.jgroups.JChannelFactory$MuxFactoryChannelListener

org.jgroups.stack.StateTransferInfo

org.jgroups.util.ThreadFactory

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