Examples of com.sleepycat.je.rep.StateChangeEvent

com.sleepycat.je.rep.StateChangeEvent
Communicates the {@link ReplicatedEnvironment.State state} change at a nodeto the StateChangeListener. There is a distinct instance of this event representing each state change at a node.
Each event instance may have zero or more state change related exceptions associated with it. The exceptions are of type {@link StateChangeException}. {@link StateChangeException} has a method called {@link StateChangeException#getEvent()} that can be used to associate an event withan exception. @see StateChangeListener

        /*
         * Call back so that it's aware of the last state change event and
         * the application can initialize itself correctly as a master or
         * replica.
         */
        final StateChangeEvent stateChangeEvent =
            nodeState.getStateChangeEvent();
        try {
            /* Invoke application code and handle any app exceptions. */
            listener.stateChange(stateChangeEvent);
        } catch (Exception e) {

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     * @throws ReplicaWriteException if the node is currently a replica
     */
    private void checkIfMaster(Locker locker)
        throws UnknownMasterException, ReplicaWriteException {


        final StateChangeEvent event = nodeState.getStateChangeEvent();


        switch (nodeState.getRepEnvState()) {
            case MASTER:
                break;

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    synchronized public void changeAndNotify(ReplicatedEnvironment.State state,
                                             NameIdPair masterNameId) {


        ReplicatedEnvironment.State newState = state;
        ReplicatedEnvironment.State oldState = currentState.getAndSet(state);
        stateChangeEvent = new StateChangeEvent(state, masterNameId);


        LoggerUtils.finest(logger, repImpl, 
                           "state change from " + oldState + " to " + 
                           newState);

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        /*
         * Call back so that it's aware of the last state change event and
         * the application can initialize itself correctly as a master or
         * replica.
         */
        final StateChangeEvent stateChangeEvent =
            nodeState.getStateChangeEvent();
        try {
            /* Invoke application code and handle any app exceptions. */
            listener.stateChange(stateChangeEvent);
        } catch (Exception e) {

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     * @throws ReplicaWriteException if the node is currently a replica
     */
    private void checkIfMaster(Locker locker)
        throws UnknownMasterException, ReplicaWriteException {


        final StateChangeEvent event = nodeState.getStateChangeEvent();


        switch (nodeState.getRepEnvState()) {
            case MASTER:
                break;

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    synchronized public void changeAndNotify(ReplicatedEnvironment.State state,
                                             NameIdPair masterNameId) {


        ReplicatedEnvironment.State newState = state;
        ReplicatedEnvironment.State oldState = currentState.getAndSet(state);
        stateChangeEvent = new StateChangeEvent(state, masterNameId);


        LoggerUtils.finest(logger, repImpl, 
                           "state change from " + oldState + " to " + 
                           newState);

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Related Classes of com.sleepycat.je.rep.StateChangeEvent

com.sleepycat.je.rep.impl.node.NodeState

com.sleepycat.je.rep.impl.RepImpl

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