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From DanielR <romero...@gmail.com>
Subject Problem trying to route with Interceptors
Date Thu, 19 Mar 2009 18:23:00 GMT

I have a main queue named QUEUE.COLOR. 
1 Producer send a lot of messages to QUEUE.COLOR
Messages only have "red ..." or "blue..." in their body

In trying to route the messages with "red ..." to QUEUE.RED and the messages
with "blue..." to QUEUE.BLUE ONLY USING AN INTERCEPTOR

My problem: messages are randomly dispatched to QUEUE.RED or QUEUE.BLUE

I have inspected some messages in QUEUE.RED and have their Destination
property set to "queue://QUEUE.BLUE"   that's weird...


Any clues? corrections? hints? codes?


Best Regards, DR.



This is my code:

import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.ActiveMQSession;
import org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.broker.Broker;
import org.apache.activemq.broker.BrokerFilter;
import org.apache.activemq.broker.BrokerPlugin;
import org.apache.activemq.broker.ProducerBrokerExchange;
import org.apache.activemq.command.Message;
import org.apache.activemq.command.ActiveMQQueue;
import org.apache.activemq.broker.ConnectionContext;
import org.apache.activemq.broker.region.MessageReference;
import org.apache.activemq.command.TransactionId;
import org.apache.activemq.command.ActiveMQDestination;

import javax.jms.TextMessage; 
import javax.jms.Session;
import javax.jms.Connection;
import javax.jms.Queue;


public class MsgInterceptorPluginRouter2 extends BrokerFilter implements
BrokerPlugin {	

	public MsgInterceptorPluginRouter2() {
		super(null);
	}

	public MsgInterceptorPluginRouter2(Broker next) {
		super(next);
	}

	public Broker installPlugin(Broker broker) throws Exception {
		return new MsgInterceptorPluginRouter2(broker);
	}

	public void send(ProducerBrokerExchange producerExchange, Message
messageSend) throws Exception{
		String content = ((TextMessage) messageSend).getText().substring(0, 30) +
"...";
		
		String substr = content.substring(0,4);
	
		if (substr.matches("red\\s*")) {
			messageSend.setDestination(this.getDestinations()[2]);
		}
		else if (substr.matches("blue\\s*")) {
			messageSend.setDestination(this.getDestinations()[7]);
		}

		super.send(producerExchange, messageSend);
	}
	
}


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