org.jgroups.protocols.NoBundler Maven / Gradle / Ivy

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This artifact provides a single jar that contains all classes required to use remote EJB and JMS, including all dependencies. It is intended for use by those not using maven, maven users should just import the EJB and JMS BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up with different versions on classes on the class path).

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package org.jgroups.protocols;

import org.jgroups.Address;
import org.jgroups.Message;
import org.jgroups.logging.Log;
import org.jgroups.util.ByteArrayDataOutputStream;
import org.jgroups.util.Util;

import java.util.Objects;

/**
 * Bundler which doesn't bundle :-) Can be used to measure the diff between bundling and non-bundling (e.g. at runtime)
 * This bundler doesn't use a pool of buffers, but creates a new buffer every time a message is sent.
 * @author Bela Ban
 * @since  4.0
 */
public class NoBundler implements Bundler {
    protected TP                                       transport;
    protected Log                                      log;

    public int size()       {return 0;}
    public int getMaxSize() {return 64000;}

    public void init(TP transport) {
        this.transport=Objects.requireNonNull(transport);
        log=transport.getLog();
    }

    public int getQueueSize() {
        return -1;
    }

    public void start() {}
    public void stop()  {}

    public void send(Message msg) throws Exception {
        ByteArrayDataOutputStream out=new ByteArrayDataOutputStream(msg.size() + 10);
        sendSingleMessage(msg, out);
    }


    protected void sendSingleMessage(final Message msg, final ByteArrayDataOutputStream output) throws Exception {
        Address dest=msg.getDest();
        output.position(0);
        Util.writeMessage(msg, output, dest == null);
        transport.doSend(output.buffer(), 0, output.position(), dest);
        if(transport.statsEnabled())
            transport.getMessageStats().incrNumSingleMsgsSent(1);
    }

}