org.apache.flink.streaming.api.operators.KeyContext Java Examples

The following examples show how to use org.apache.flink.streaming.api.operators.KeyContext. 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: TriggerTestHarness.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
public TriggerTestHarness(
		Trigger<T, W> trigger,
		TypeSerializer<W> windowSerializer) throws Exception {
	this.trigger = trigger;
	this.windowSerializer = windowSerializer;

	// we only ever use one key, other tests make sure that windows work across different
	// keys
	DummyEnvironment dummyEnv = new DummyEnvironment("test", 1, 0);
	MemoryStateBackend backend = new MemoryStateBackend();

	@SuppressWarnings("unchecked")
	HeapKeyedStateBackend<Integer> stateBackend = (HeapKeyedStateBackend<Integer>) backend.createKeyedStateBackend(
		dummyEnv,
		new JobID(),
		"test_op",
		IntSerializer.INSTANCE,
		1,
		new KeyGroupRange(0, 0),
		new KvStateRegistry().createTaskRegistry(new JobID(), new JobVertexID()),
		TtlTimeProvider.DEFAULT,
		new UnregisteredMetricsGroup(),
		Collections.emptyList(),
		new CloseableRegistry());
	this.stateBackend = stateBackend;

	this.stateBackend.setCurrentKey(KEY);

	this.internalTimerService = new TestInternalTimerService<>(new KeyContext() {
		@Override
		public void setCurrentKey(Object key) {
			// ignore
		}

		@Override
		public Object getCurrentKey() {
			return KEY;
		}
	});
}
Example #2
Source File: TriggerTestHarness.java    From flink with Apache License 2.0 5 votes vote down vote up 
public TriggerTestHarness(
		Trigger<T, W> trigger,
		TypeSerializer<W> windowSerializer) throws Exception {
	this.trigger = trigger;
	this.windowSerializer = windowSerializer;

	// we only ever use one key, other tests make sure that windows work across different
	// keys
	DummyEnvironment dummyEnv = new DummyEnvironment("test", 1, 0);
	MemoryStateBackend backend = new MemoryStateBackend();

	@SuppressWarnings("unchecked")
	HeapKeyedStateBackend<Integer> stateBackend = (HeapKeyedStateBackend<Integer>) backend.createKeyedStateBackend(
		dummyEnv,
		new JobID(),
		"test_op",
		IntSerializer.INSTANCE,
		1,
		new KeyGroupRange(0, 0),
		new KvStateRegistry().createTaskRegistry(new JobID(), new JobVertexID()),
		TtlTimeProvider.DEFAULT,
		new UnregisteredMetricsGroup(),
		Collections.emptyList(),
		new CloseableRegistry());
	this.stateBackend = stateBackend;

	this.stateBackend.setCurrentKey(KEY);

	this.internalTimerService = new TestInternalTimerService<>(new KeyContext() {
		@Override
		public void setCurrentKey(Object key) {
			// ignore
		}

		@Override
		public Object getCurrentKey() {
			return KEY;
		}
	});
}
Example #3
Source File: TriggerTestHarness.java    From flink with Apache License 2.0 5 votes vote down vote up 
public TriggerTestHarness(
		Trigger<T, W> trigger,
		TypeSerializer<W> windowSerializer) throws Exception {
	this.trigger = trigger;
	this.windowSerializer = windowSerializer;

	// we only ever use one key, other tests make sure that windows work across different
	// keys
	DummyEnvironment dummyEnv = new DummyEnvironment("test", 1, 0);
	MemoryStateBackend backend = new MemoryStateBackend();

	@SuppressWarnings("unchecked")
	HeapKeyedStateBackend<Integer> stateBackend = (HeapKeyedStateBackend<Integer>) backend.createKeyedStateBackend(
		dummyEnv,
		new JobID(),
		"test_op",
		IntSerializer.INSTANCE,
		1,
		new KeyGroupRange(0, 0),
		new KvStateRegistry().createTaskRegistry(new JobID(), new JobVertexID()),
		TtlTimeProvider.DEFAULT,
		new UnregisteredMetricsGroup(),
		Collections.emptyList(),
		new CloseableRegistry());
	this.stateBackend = stateBackend;

	this.stateBackend.setCurrentKey(KEY);

	this.internalTimerService = new TestInternalTimerService<>(new KeyContext() {
		@Override
		public void setCurrentKey(Object key) {
			// ignore
		}

		@Override
		public Object getCurrentKey() {
			return KEY;
		}
	});
}
Example #4
Source File: AbstractTopNFunction.java    From flink with Apache License 2.0 2 votes vote down vote up 
/**
 * Sets keyContext to RankFunction.
 *
 * @param keyContext keyContext of current function.
 */
public void setKeyContext(KeyContext keyContext) {
	this.keyContext = keyContext;
}
Example #5
Source File: AbstractTopNFunction.java    From flink with Apache License 2.0 2 votes vote down vote up 
/**
 * Sets keyContext to RankFunction.
 *
 * @param keyContext keyContext of current function.
 */
public void setKeyContext(KeyContext keyContext) {
	this.keyContext = keyContext;
}