Examples with ApplyState org.opendaylight.controller.cluster.raft.base.messages.ApplyState used on opensource projects

Example 26 with ApplyState

use of org.opendaylight.controller.cluster.raft.base.messages.ApplyState in project controller by opendaylight.

the class RaftActor method handleCommand.

/**
 * Handles a message.
 *
 * @deprecated This method is not final for testing purposes. DO NOT OVERRIDE IT, override
 * {@link #handleNonRaftCommand(Object)} instead.
 */
@Deprecated
@Override
protected // FIXME: make this method final once our unit tests do not need to override it
void handleCommand(final Object message) {
    if (serverConfigurationSupport.handleMessage(message, getSender())) {
        return;
    }
    if (snapshotSupport.handleSnapshotMessage(message, getSender())) {
        return;
    }
    if (message instanceof ApplyState) {
        ApplyState applyState = (ApplyState) message;
        if (!hasFollowers()) {
            // for single node, the capture should happen after the apply state
            // as we delete messages from the persistent journal which have made it to the snapshot
            // capturing the snapshot before applying makes the persistent journal and snapshot out of sync
            // and recovery shows data missing
            context.getReplicatedLog().captureSnapshotIfReady(applyState.getReplicatedLogEntry());
            context.getSnapshotManager().trimLog(context.getLastApplied());
        }
        possiblyHandleBehaviorMessage(message);
    } else if (message instanceof ApplyJournalEntries) {
        ApplyJournalEntries applyEntries = (ApplyJournalEntries) message;
        LOG.debug("{}: Persisting ApplyJournalEntries with index={}", persistenceId(), applyEntries.getToIndex());
        persistence().persistAsync(applyEntries, NoopProcedure.instance());
    } else if (message instanceof FindLeader) {
        getSender().tell(new FindLeaderReply(getLeaderAddress()), getSelf());
    } else if (message instanceof GetOnDemandRaftState) {
        onGetOnDemandRaftStats();
    } else if (message instanceof InitiateCaptureSnapshot) {
        captureSnapshot();
    } else if (message instanceof SwitchBehavior) {
        switchBehavior((SwitchBehavior) message);
    } else if (message instanceof LeaderTransitioning) {
        onLeaderTransitioning((LeaderTransitioning) message);
    } else if (message instanceof Shutdown) {
        onShutDown();
    } else if (message instanceof Runnable) {
        ((Runnable) message).run();
    } else if (message instanceof NoopPayload) {
        persistData(null, null, (NoopPayload) message, false);
    } else if (message instanceof RequestLeadership) {
        onRequestLeadership((RequestLeadership) message);
    } else if (!possiblyHandleBehaviorMessage(message)) {
        handleNonRaftCommand(message);
    }
}