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package com.sun.messaging.jmq.jmsserver;

import java.util.*;
import java.util.concurrent.*;
import com.sun.messaging.jmq.util.log.*;
import com.sun.messaging.jmq.jmsserver.Globals;
import com.sun.messaging.jmq.jmsserver.service.ServiceManager;
import com.sun.messaging.jmq.jmsserver.service.imq.IMQService;
import com.sun.messaging.jmq.jmsserver.service.imq.IMQEmbeddedService;
import com.sun.messaging.jmq.util.ServiceState;
import com.sun.messaging.jmq.jmsservice.BrokerEventListener;
import com.sun.messaging.jmq.jmsservice.BrokerEvent;
import com.sun.messaging.jmq.jmsservice.DirectBrokerConnection;
import com.sun.messaging.jmq.jmsservice.JMSDirectBroker;
import com.sun.messaging.jmq.io.*; //test program only

/**
 * DirectBrokerProcess implementation. It wraps a singleton class
 * (only one broker can be running in any process).<P>
 *
 * <u>Example</u><P>
 * <code><PRE>
 *      DirectBrokerProcess bp = BrokerProcess.getBrokerProcess(BrokerProcess.DIRECT_BROKER);
 *      try {
 *      
 *          Properties ht = BrokerProcess.convertArgs(args);
 *          int exitcode = bp.start();
 *          if (exitcode != 0) { // failure to start
 *              System.out.println("Broker exited with " + exitcode);
 *          }
 *
 *      } catch (IllegalArgumentException ex) {
 *          System.err.println("Bad Argument " + ex.getMessage());
 *          System.out.println(BrokerProcess.usage());
 *      }
 * </PRE></code>
 */
public class DirectBrokerProcess extends BrokerProcess implements JMSDirectBroker
{
    String name = "mqdirect";
    public DirectBrokerProcess() {
        super();
    }


    public int start(boolean inProcess, Properties properties, BrokerEventListener bel, boolean initOnly)
        throws OutOfMemoryError, IllegalStateException, IllegalArgumentException
    {
         if (properties == null)
             properties = new Properties();
         properties.put(Globals.IMQ + ".service.runtimeAdd", name);
         return super.start(inProcess, properties, bel, initOnly);
    }

    /**
     * Returns true when the broker is ready to start processing messages
     */
    public boolean directServiceIsUp() {
        IMQService service = (IMQService)Globals.getServiceManager().getService(name);
        if (service == null) return false;
        return service.getState() == ServiceState.RUNNING;
    }

    public DirectBrokerConnection getConnection() {
        IMQEmbeddedService service = (IMQEmbeddedService)Globals.getServiceManager().getService(name);
        try {
            return service.createConnection();
        } catch (Exception ex) {
            Globals.getLogger().logStack(Logger.WARNING, "L10N-XXX: Unable to create connection", ex);
        }
        return null;
    }

}


