Package com.sleepycat.je.rep.elections

Examples of com.sleepycat.je.rep.elections.MasterValue

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                                 "Master change listener -- no value change." +
                                 "Proposal: " + proposal + " Value: " + value);
                return;
            }
           
            MasterValue masterValue = ((MasterValue) value);
           
            LoggerUtils.fine(logger, repNode.getRepImpl(),
                    "Master change listener notified. Proposal:" +
                    proposal + " Value: " + value);
            LoggerUtils.info(logger, repNode.getRepImpl(),
                    "Master changed to " +
                     masterValue.getNameId().getName());
           
            repNode.getMasterStatus().setGroupMaster
                (new InetSocketAddress(masterValue.getHostName(),
                                       masterValue.getPort()),
                 masterValue.getNameId());
           
            /* Propagate the information to any monitors. */
            repNode.getElections().asyncInformMonitors(proposal, value);
        } finally {
            currentValue = value;
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    }

    public Value get(Proposal proposal) {
        /* Suggest myself as master */
        final InetSocketAddress socket = repNode.getSocket();
        return new MasterValue(socket.getAddress().getHostAddress(),
                               socket.getPort(),
                               repNode.getNameIdPair());
    }
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     */
    private InetSocketAddress getMasterSocket()
        throws UnknownMasterException,
               EnvironmentFailureException {

        MasterValue masterValue = Learner.findMaster(electionsProtocol,
                                                     helperSockets,
                                                     logger,
                                                     null,
                                                     formatter);
        return new InetSocketAddress(masterValue.getHostName(),
                                     masterValue.getPort());
    }
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     * environment-wide failure occurs.
     */
    public String getMasterNodeName()
        throws UnknownMasterException,
               EnvironmentFailureException {
        MasterValue masterValue = Learner.findMaster(electionsProtocol,
                                                     helperSockets,
                                                     logger,
                                                     null,
                                                     formatter);
        return masterValue.getNodeName();
    }
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        if (monitor.getType() != NodeType.MONITOR) {
            throw EnvironmentFailureException.unexpectedState
                ("Node type must be Monitor not: " + monitor.getType());
        }

        MasterValue masterValue = Learner.findMaster(electionsProtocol,
                                                     helperSockets,
                                                     logger,
                                                     null,
                                                     formatter);
        EnsureOK okResp = (EnsureOK) doMessageExchange
            (groupProtocol.new EnsureNode(monitor), EnsureOK.class);

        monitor.getNameIdPair().update(okResp.getNameIdPair());
        return new RepNodeImpl(new NameIdPair(masterValue.getNodeName()),
                               NodeType.ELECTABLE,
                               masterValue.getHostName(),
                               masterValue.getPort());
    }
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    }

    /* Broadcast a Result message to re-elect a new master. */
    private void broadcastMessage(String nodeName) {
        RepNodeImpl node = group.getNode(nodeName);
        MasterValue newMaster = new MasterValue
            (node.getSocketAddress().getAddress().getHostAddress(),
             node.getSocketAddress().getPort(),
             node.getNameIdPair());
        Proposal proposal =
            new TimebasedProposalGenerator().nextProposal();
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     */
    private InetSocketAddress getMasterSocket()
        throws UnknownMasterException,
               EnvironmentFailureException {

        MasterValue masterValue = Learner.findMaster(electionsProtocol,
                                                     helperSockets,
                                                     logger,
                                                     null,
                                                     formatter);
        return new InetSocketAddress(masterValue.getHostName(),
                                     masterValue.getPort());
    }
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     * environment-wide failure occurs.
     */
    public String getMasterNodeName()
        throws UnknownMasterException,
               EnvironmentFailureException {
        MasterValue masterValue = Learner.findMaster(electionsProtocol,
                                                     helperSockets,
                                                     logger,
                                                     null,
                                                     formatter);
        return masterValue.getNodeName();
    }
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        if (monitor.getType() != NodeType.MONITOR) {
            throw EnvironmentFailureException.unexpectedState
                ("Node type must be Monitor not: " + monitor.getType());
        }

        MasterValue masterValue = Learner.findMaster(electionsProtocol,
                                                     helperSockets,
                                                     logger,
                                                     null,
                                                     formatter);

        InetSocketAddress masterAddress =
            new InetSocketAddress(masterValue.getHostName(),
                                  masterValue.getPort());
        MessageExchange me = groupProtocol.new MessageExchange
            (masterAddress,
             GroupService.SERVICE_NAME,
             groupProtocol.new EnsureNode(monitor));
        me.run();
        ResponseMessage resp = me.getResponseMessage();
        if (resp instanceof EnsureOK) {
            EnsureOK okResp = (EnsureOK) resp;
            monitor.getNameIdPair().update(okResp.getNameIdPair());
            return new RepNodeImpl(new NameIdPair(masterValue.getNodeName()),
                                   NodeType.ELECTABLE,
                                   masterValue.getHostName(),
                                   masterValue.getPort());
        }
        throw getException(resp);
    }
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                                 "Master change listener -- no value change." +
                                 "Proposal: " + proposal + " Value: " + value);
                return;
            }
           
            MasterValue masterValue = ((MasterValue) value);
           
            LoggerUtils.fine(logger, repNode.getRepImpl(),
                    "Master change listener notified. Proposal:" +
                    proposal + " Value: " + value);
            LoggerUtils.info(logger, repNode.getRepImpl(),
                    "Master changed to " +
                     masterValue.getNameId().getName());
           
            repNode.getMasterStatus().setGroupMaster
                (new InetSocketAddress(masterValue.getHostName(),
                                       masterValue.getPort()),
                 masterValue.getNameId());
           
            /* Propagate the information to any monitors. */
            repNode.getElections().asyncInformMonitors(proposal, value);
        } finally {
            currentValue = value;
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Related Classes of com.sleepycat.je.rep.elections.MasterValue

  • com.sleepycat.je.rep.impl.node.NameIdPair
  • com.sleepycat.je.rep.impl.node.RepNode
  • com.sleepycat.je.rep.stream.MasterChangeListener
  • com.sleepycat.je.rep.stream.MasterSuggestionGenerator
  • com.sleepycat.je.rep.util.ReplicationGroupAdmin
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