Examples with TaskEvent org.apache.ignite.events.TaskEvent used on opensource projects

Example 6 with TaskEvent

use of org.apache.ignite.events.TaskEvent in project ignite by apache.

the class EventsExample method localListen.

/**
     * Listen to events that happen only on local node.
     *
     * @throws IgniteException If failed.
     */
private static void localListen() throws IgniteException {
    System.out.println();
    System.out.println(">>> Local event listener example.");
    Ignite ignite = Ignition.ignite();
    IgnitePredicate<TaskEvent> lsnr = evt -> {
        System.out.println("Received task event [evt=" + evt.name() + ", taskName=" + evt.taskName() + ']');
        return true;
    };
    // Register event listener for all local task execution events.
    ignite.events().localListen(lsnr, EVTS_TASK_EXECUTION);
    // Generate task events.
    ignite.compute().withName("example-event-task").run(() -> System.out.println("Executing sample job."));
    // Unsubscribe local task event listener.
    ignite.events().stopLocalListen(lsnr);
}

Example 7 with TaskEvent

use of org.apache.ignite.events.TaskEvent in project ignite by apache.

the class EventsExample method remoteListen.

/**
     * Listen to events coming from all cluster nodes.
     *
     * @throws IgniteException If failed.
     */
private static void remoteListen() throws IgniteException {
    System.out.println();
    System.out.println(">>> Remote event listener example.");
    // This optional local callback is called for each event notification
    // that passed remote predicate listener.
    IgniteBiPredicate<UUID, TaskEvent> locLsnr = (nodeId, evt) -> {
        // Remote filter only accepts tasks whose name being with "good-task" prefix.
        assert evt.taskName().startsWith("good-task");
        System.out.println("Received task event [evt=" + evt.name() + ", taskName=" + evt.taskName());
        // Return true to continue listening.
        return true;
    };
    // Remote filter which only accepts tasks whose name begins with "good-task" prefix.
    IgnitePredicate<TaskEvent> rmtLsnr = evt -> evt.taskName().startsWith("good-task");
    Ignite ignite = Ignition.ignite();
    // Register event listeners on all nodes to listen for task events.
    ignite.events().remoteListen(locLsnr, rmtLsnr, EVTS_TASK_EXECUTION);
    // Generate task events.
    for (int i = 0; i < 10; i++) {
        ignite.compute().withName(i < 5 ? "good-task-" + i : "bad-task-" + i).run(new IgniteRunnable() {

            // Auto-inject task session.
            @TaskSessionResource
            private ComputeTaskSession ses;

            @Override
            public void run() {
                System.out.println("Executing sample job for task: " + ses.getTaskName());
            }
        });
    }
}

Example 8 with TaskEvent

use of org.apache.ignite.events.TaskEvent in project ignite by apache.

the class EventsExample method remoteListen.

/**
     * Listen to events coming from all cluster nodes.
     *
     * @throws IgniteException If failed.
     */
private static void remoteListen() throws IgniteException {
    System.out.println();
    System.out.println(">>> Remote event listener example.");
    // This optional local callback is called for each event notification
    // that passed remote predicate listener.
    IgniteBiPredicate<UUID, TaskEvent> locLsnr = new IgniteBiPredicate<UUID, TaskEvent>() {

        @Override
        public boolean apply(UUID nodeId, TaskEvent evt) {
            // Remote filter only accepts tasks whose name being with "good-task" prefix.
            assert evt.taskName().startsWith("good-task");
            System.out.println("Received task event [evt=" + evt.name() + ", taskName=" + evt.taskName());
            // Return true to continue listening.
            return true;
        }
    };
    // Remote filter which only accepts tasks whose name begins with "good-task" prefix.
    IgnitePredicate<TaskEvent> rmtLsnr = new IgnitePredicate<TaskEvent>() {

        @Override
        public boolean apply(TaskEvent evt) {
            return evt.taskName().startsWith("good-task");
        }
    };
    Ignite ignite = Ignition.ignite();
    // Register event listeners on all nodes to listen for task events.
    ignite.events().remoteListen(locLsnr, rmtLsnr, EVTS_TASK_EXECUTION);
    // Generate task events.
    for (int i = 0; i < 10; i++) {
        ignite.compute().withName(i < 5 ? "good-task-" + i : "bad-task-" + i).run(new IgniteRunnable() {

            // Auto-inject task session.
            @TaskSessionResource
            private ComputeTaskSession ses;

            @Override
            public void run() {
                System.out.println("Executing sample job for task: " + ses.getTaskName());
            }
        });
    }
}

Example 9 with TaskEvent

use of org.apache.ignite.events.TaskEvent in project ignite by apache.

the class PlatformContextImpl method writeEvent.

/** {@inheritDoc} */
@Override
public void writeEvent(BinaryRawWriterEx writer, Event evt) {
    assert writer != null;
    if (evt == null) {
        writer.writeInt(-1);
        return;
    }
    EventAdapter evt0 = (EventAdapter) evt;
    if (evt0 instanceof CacheEvent) {
        writer.writeInt(2);
        writeCommonEventData(writer, evt0);
        CacheEvent event0 = (CacheEvent) evt0;
        writer.writeString(event0.cacheName());
        writer.writeInt(event0.partition());
        writer.writeBoolean(event0.isNear());
        writeNode(writer, event0.eventNode());
        writer.writeObject(event0.key());
        writer.writeObject(event0.xid());
        writer.writeObject(event0.newValue());
        writer.writeObject(event0.oldValue());
        writer.writeBoolean(event0.hasOldValue());
        writer.writeBoolean(event0.hasNewValue());
        writer.writeUuid(event0.subjectId());
        writer.writeString(event0.closureClassName());
        writer.writeString(event0.taskName());
    } else if (evt0 instanceof CacheQueryExecutedEvent) {
        writer.writeInt(3);
        writeCommonEventData(writer, evt0);
        CacheQueryExecutedEvent event0 = (CacheQueryExecutedEvent) evt0;
        writer.writeString(event0.queryType());
        writer.writeString(event0.cacheName());
        writer.writeString(event0.className());
        writer.writeString(event0.clause());
        writer.writeUuid(event0.subjectId());
        writer.writeString(event0.taskName());
    } else if (evt0 instanceof CacheQueryReadEvent) {
        writer.writeInt(4);
        writeCommonEventData(writer, evt0);
        CacheQueryReadEvent event0 = (CacheQueryReadEvent) evt0;
        writer.writeString(event0.queryType());
        writer.writeString(event0.cacheName());
        writer.writeString(event0.className());
        writer.writeString(event0.clause());
        writer.writeUuid(event0.subjectId());
        writer.writeString(event0.taskName());
        writer.writeObject(event0.key());
        writer.writeObject(event0.value());
        writer.writeObject(event0.oldValue());
        writer.writeObject(event0.row());
    } else if (evt0 instanceof CacheRebalancingEvent) {
        writer.writeInt(5);
        writeCommonEventData(writer, evt0);
        CacheRebalancingEvent event0 = (CacheRebalancingEvent) evt0;
        writer.writeString(event0.cacheName());
        writer.writeInt(event0.partition());
        writeNode(writer, event0.discoveryNode());
        writer.writeInt(event0.discoveryEventType());
        writer.writeString(event0.discoveryEventName());
        writer.writeLong(event0.discoveryTimestamp());
    } else if (evt0 instanceof CheckpointEvent) {
        writer.writeInt(6);
        writeCommonEventData(writer, evt0);
        CheckpointEvent event0 = (CheckpointEvent) evt0;
        writer.writeString(event0.key());
    } else if (evt0 instanceof DiscoveryEvent) {
        writer.writeInt(7);
        writeCommonEventData(writer, evt0);
        DiscoveryEvent event0 = (DiscoveryEvent) evt0;
        writeNode(writer, event0.eventNode());
        writer.writeLong(event0.topologyVersion());
        writeNodes(writer, event0.topologyNodes());
    } else if (evt0 instanceof JobEvent) {
        writer.writeInt(8);
        writeCommonEventData(writer, evt0);
        JobEvent event0 = (JobEvent) evt0;
        writer.writeString(event0.taskName());
        writer.writeString(event0.taskClassName());
        writer.writeObject(event0.taskSessionId());
        writer.writeObject(event0.jobId());
        writeNode(writer, event0.taskNode());
        writer.writeUuid(event0.taskSubjectId());
    } else if (evt0 instanceof TaskEvent) {
        writer.writeInt(10);
        writeCommonEventData(writer, evt0);
        TaskEvent event0 = (TaskEvent) evt0;
        writer.writeString(event0.taskName());
        writer.writeString(event0.taskClassName());
        writer.writeObject(event0.taskSessionId());
        writer.writeBoolean(event0.internal());
        writer.writeUuid(event0.subjectId());
    } else
        throw new IgniteException("Unsupported event: " + evt);
}

Example 10 with TaskEvent

use of org.apache.ignite.events.TaskEvent in project ignite by apache.

the class GridTaskWorker method recordTaskEvent.

/**
     * @param evtType Event type.
     * @param msg Event message.
     */
private void recordTaskEvent(int evtType, String msg) {
    if (!internal && ctx.event().isRecordable(evtType)) {
        Event evt = new TaskEvent(ctx.discovery().localNode(), msg, evtType, ses.getId(), ses.getTaskName(), ses.getTaskClassName(), internal, subjId);
        ctx.event().record(evt);
    }
}