Java Code Examples for org.apache.flink.runtime.io.network.api.TaskEventHandler#publish()

The following examples show how to use org.apache.flink.runtime.io.network.api.TaskEventHandler#publish() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: TaskEventDispatcher.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up 
/**
 * Publishes the event to the registered {@link EventListener} instances.
 *
 * <p>This method is either called directly from a {@link LocalInputChannel} or the network I/O
 * thread on behalf of a {@link RemoteInputChannel}.
 *
 * @return whether the event was published to a registered event handler (initiated via {@link
 * #registerPartition(ResultPartitionID)}) or not
 */
public boolean publish(ResultPartitionID partitionId, TaskEvent event) {
	checkNotNull(partitionId);
	checkNotNull(event);

	TaskEventHandler taskEventHandler;
	synchronized (registeredHandlers) {
		taskEventHandler = registeredHandlers.get(partitionId);
	}

	if (taskEventHandler != null) {
		taskEventHandler.publish(event);
		return true;
	}

	return false;
}
Example 2
Source File: TaskEventHandlerTest.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up 
/**
 * Tests the publish/subscribe mechanisms implemented in the {@link TaskEventHandler}.
 */
@Test
public void testEventNotificationManager() {

	final TaskEventHandler evm = new TaskEventHandler();
	final TestEventListener listener = new TestEventListener();

	evm.subscribe(listener, StringTaskEvent.class);

	final StringTaskEvent stringTaskEvent1 = new StringTaskEvent("Test 1");

	evm.publish(stringTaskEvent1);
	evm.publish(new IntegerTaskEvent(5));

	assertNotNull(listener.getLastReceivedEvent());
	StringTaskEvent receivedStringEvent = (StringTaskEvent) listener.getLastReceivedEvent();
	assertEquals(stringTaskEvent1, receivedStringEvent);
}
Example 3
Source File: TaskEventDispatcher.java    From flink with Apache License 2.0 6 votes vote down vote up 
/**
 * Publishes the event to the registered {@link EventListener} instances.
 *
 * <p>This method is either called directly from a {@link LocalInputChannel} or the network I/O
 * thread on behalf of a {@link RemoteInputChannel}.
 *
 * @return whether the event was published to a registered event handler (initiated via {@link
 * #registerPartition(ResultPartitionID)}) or not
 */
@Override
public boolean publish(ResultPartitionID partitionId, TaskEvent event) {
	checkNotNull(partitionId);
	checkNotNull(event);

	TaskEventHandler taskEventHandler;
	synchronized (registeredHandlers) {
		taskEventHandler = registeredHandlers.get(partitionId);
	}

	if (taskEventHandler != null) {
		taskEventHandler.publish(event);
		return true;
	}

	return false;
}
Example 4
Source File: TaskEventHandlerTest.java    From flink with Apache License 2.0 6 votes vote down vote up 
/**
 * Tests the publish/subscribe mechanisms implemented in the {@link TaskEventHandler}.
 */
@Test
public void testEventNotificationManager() {

	final TaskEventHandler evm = new TaskEventHandler();
	final TestEventListener listener = new TestEventListener();

	evm.subscribe(listener, StringTaskEvent.class);

	final StringTaskEvent stringTaskEvent1 = new StringTaskEvent("Test 1");

	evm.publish(stringTaskEvent1);
	evm.publish(new IntegerTaskEvent(5));

	assertNotNull(listener.getLastReceivedEvent());
	StringTaskEvent receivedStringEvent = (StringTaskEvent) listener.getLastReceivedEvent();
	assertEquals(stringTaskEvent1, receivedStringEvent);
}
Example 5
Source File: TaskEventDispatcher.java    From flink with Apache License 2.0 6 votes vote down vote up 
/**
 * Publishes the event to the registered {@link EventListener} instances.
 *
 * <p>This method is either called directly from a {@link LocalInputChannel} or the network I/O
 * thread on behalf of a {@link RemoteInputChannel}.
 *
 * @return whether the event was published to a registered event handler (initiated via {@link
 * #registerPartition(ResultPartitionID)}) or not
 */
@Override
public boolean publish(ResultPartitionID partitionId, TaskEvent event) {
	checkNotNull(partitionId);
	checkNotNull(event);

	TaskEventHandler taskEventHandler;
	synchronized (registeredHandlers) {
		taskEventHandler = registeredHandlers.get(partitionId);
	}

	if (taskEventHandler != null) {
		taskEventHandler.publish(event);
		return true;
	}

	return false;
}
Example 6
Source File: TaskEventHandlerTest.java    From flink with Apache License 2.0 6 votes vote down vote up 
/**
 * Tests the publish/subscribe mechanisms implemented in the {@link TaskEventHandler}.
 */
@Test
public void testEventNotificationManager() {

	final TaskEventHandler evm = new TaskEventHandler();
	final TestEventListener listener = new TestEventListener();

	evm.subscribe(listener, StringTaskEvent.class);

	final StringTaskEvent stringTaskEvent1 = new StringTaskEvent("Test 1");

	evm.publish(stringTaskEvent1);
	evm.publish(new IntegerTaskEvent(5));

	assertNotNull(listener.getLastReceivedEvent());
	StringTaskEvent receivedStringEvent = (StringTaskEvent) listener.getLastReceivedEvent();
	assertEquals(stringTaskEvent1, receivedStringEvent);
}