Examples of org.jgroups.stack.Retransmitter

org.jgroups.stack.Retransmitter
Maintains a pool of sequence numbers of messages that need to be retransmitted. Messages are aged and retransmission requests sent according to age (linear backoff used). If a TimeScheduler instance is given to the constructor, it will be used, otherwise Reransmitter will create its own. The retransmit timeouts have to be set first thing after creating an instance. The add() method adds a range of sequence numbers of messages to be retransmitted. The remove() method removes a sequence number again, cancelling retransmission requests for it. Whenever a message needs to be retransmitted, the RetransmitCommand.retransmit() method is called. It can be used e.g. by an ack-based scheme (e.g. AckSenderWindow) to retransmit a message to the receiver, or by a nak-based scheme to send a retransmission request to the sender of the missing message. @author John Giorgiadis @author Bela Ban @version $Revision: 1.10 $

    private final Address sender=new org.jgroups.stack.IpAddress(5555);
    Retransmitter xmitter;


    protected void setUp() throws Exception {
        super.setUp();
        xmitter=new Retransmitter(sender, new MyXmitter());
        xmitter.setRetransmitTimeouts(new long[]{1000, 2000, 4000, 8000});
    }

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    private final Address sender=new org.jgroups.stack.IpAddress(5555);
    Retransmitter xmitter;


    protected void setUp() throws Exception {
        super.setUp();
        xmitter=new Retransmitter(sender, new MyXmitter());
        xmitter.setRetransmitTimeouts(new StaticInterval(1000,2000,4000,8000));
    }

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    Retransmitter xmitter;
    TimeScheduler timer=new TimeScheduler();


    protected void setUp() throws Exception {
        super.setUp();
        xmitter=new Retransmitter(sender, new MyXmitter(), timer);
        xmitter.setRetransmitTimeouts(new StaticInterval(1000,2000,4000,8000));
    }

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    }




    @DataProvider(name="createRetransmitter")
    protected Retransmitter[][] createRetransmitter() {
        Retransmitter range_based_retransmitter=new RangeBasedRetransmitter(sender, new MyXmitter(), timer);
        Retransmitter old_retransmitter=new DefaultRetransmitter(sender, new MyXmitter(), timer);


        range_based_retransmitter.setRetransmitTimeouts(new ExponentialInterval(1000));
        range_based_retransmitter.reset();
        old_retransmitter.setRetransmitTimeouts(new ExponentialInterval(1000));
        old_retransmitter.reset();


        return new Retransmitter[][] {
          {old_retransmitter},
          {range_based_retransmitter}
        };

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Related Classes of org.jgroups.stack.Retransmitter

org.jgroups.Address

org.jgroups.tests.RetransmitterTest

org.jgroups.util.TimeScheduler

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