Examples of com.sun.enterprise.ee.server.group.MessageAggregator

Package com.sun.enterprise.ee.server.group

Examples of com.sun.enterprise.ee.server.group.MessageAggregator

com.sun.enterprise.ee.server.group.MessageAggregator
A MessageAggregator. This class is responsible for aggregating the messages recieved and let the Barrier know of the arrival of the messages. The Barrior is created only lazily. I.e only when the application (eg: deployment runtime) request for it. So, when Barrier is created, the messages will be transferred to the Barrier to check whether it need to be started. Some times all the messages might have already reached the server, before the Barrier is created. That case is handled inside the Barrier. @author Binod.

    
    /**
     * Creates a MessageAggregator instance.
     */
    private MessageAggregator createMA(String key, Route route) {
        MessageAggregator ma = new MessageAggregator(key, getServers(route), this);
        ma.setRoute(route);        
        return ma;
    }

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    /**
     * Returns an existing MA instance or creates a new one.
     */
    private MessageAggregator obtainMA(String key, Route route) {
        MessageAggregator mr = null;
        
        synchronized (this) {
            Map<String, MessageAggregator> aggregatorMap = 
            routeMaps.get(route);            
            if (aggregatorMap.containsKey(key) == false) {

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                    // No ROUTE lets timeout...
                    if (cb != null)
                        cb.messagingTimedOut();
                    break;
                case ALLTOONE :                                             
                    MessageAggregator mr = obtainMA(key, route);  
                    mr.setCallBack(cb);
                    return mr.getBarrier();                
            }
        } else {            
            switch (route) {
                case ALLTOONE :
                    Message mesg = MessageFactory.createMessage(route);
                    mesg.setAggregationKey(key);
                    try {
                        if (__logger.isLoggable(Level.FINE)) {
                            __logger.fine("Sending ALLTOONE ...." 
                            + mesg.toString() + "To " + getElectedInstance());
                        }
                        //gms.getGroupHandle().sendMessage
                        //(this.componentName, getElectedInstance(), mesg.toBytes());
                        gms.getGroupHandle().sendMessage
                        (this.componentName, mesg.toBytes());
                    } catch (Exception e) {
                        e.printStackTrace();
                        // FIX ME.
                    }
                    break;
                case ONETOALL :  
                    MessageAggregator mr = obtainMA(key, route);                      
                    return mr.getBarrier();                    
            }
            
        }
        
        return null;

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