org.apache.flink.queryablestate.server.KvStateServerImpl Java Examples

The following examples show how to use org.apache.flink.queryablestate.server.KvStateServerImpl. 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: KvStateServerHandlerTest.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
@BeforeClass
public static void setup() {
	try {
		testServer = new KvStateServerImpl(
				InetAddress.getLocalHost(),
				Collections.singletonList(0).iterator(),
				1,
				1,
				new KvStateRegistry(),
				new DisabledKvStateRequestStats());
		testServer.start();
	} catch (Throwable e) {
		e.printStackTrace();
	}
}
Example #2
Source File: KvStateServerHandlerTest.java    From flink with Apache License 2.0 5 votes vote down vote up 
@BeforeClass
public static void setup() {
	try {
		testServer = new KvStateServerImpl(
				InetAddress.getLocalHost(),
				Collections.singletonList(0).iterator(),
				1,
				1,
				new KvStateRegistry(),
				new DisabledKvStateRequestStats());
		testServer.start();
	} catch (Throwable e) {
		e.printStackTrace();
	}
}
Example #3
Source File: KvStateServerHandlerTest.java    From flink with Apache License 2.0 5 votes vote down vote up 
@BeforeClass
public static void setup() {
	try {
		testServer = new KvStateServerImpl(
				InetAddress.getLocalHost().getHostName(),
				Collections.singletonList(0).iterator(),
				1,
				1,
				new KvStateRegistry(),
				new DisabledKvStateRequestStats());
		testServer.start();
	} catch (Throwable e) {
		e.printStackTrace();
	}
}
Example #4
Source File: KvStateServerHandlerTest.java    From Flink-CEPplus with Apache License 2.0 4 votes vote down vote up 
/**
 * Tests the failure response on a rejected execution, because the query executor has been closed.
 */
@Test
public void testQueryExecutorShutDown() throws Throwable {
	KvStateRegistry registry = new KvStateRegistry();
	AtomicKvStateRequestStats stats = new AtomicKvStateRequestStats();

	KvStateServerImpl localTestServer = new KvStateServerImpl(
			InetAddress.getLocalHost(),
			Collections.singletonList(0).iterator(),
			1,
			1,
			new KvStateRegistry(),
			new DisabledKvStateRequestStats());

	localTestServer.start();
	localTestServer.shutdown();
	assertTrue(localTestServer.getQueryExecutor().isTerminated());

	MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer =
			new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer());

	KvStateServerHandler handler = new KvStateServerHandler(localTestServer, registry, serializer, stats);
	EmbeddedChannel channel = new EmbeddedChannel(getFrameDecoder(), handler);

	int numKeyGroups = 1;
	AbstractStateBackend abstractBackend = new MemoryStateBackend();
	DummyEnvironment dummyEnv = new DummyEnvironment("test", 1, 0);
	dummyEnv.setKvStateRegistry(registry);
	KeyedStateBackend<Integer> backend = createKeyedStateBackend(registry, numKeyGroups, abstractBackend, dummyEnv);

	final TestRegistryListener registryListener = new TestRegistryListener();
	registry.registerListener(dummyEnv.getJobID(), registryListener);

	// Register state
	ValueStateDescriptor<Integer> desc = new ValueStateDescriptor<>("any", IntSerializer.INSTANCE);
	desc.setQueryable("vanilla");

	backend.getPartitionedState(VoidNamespace.INSTANCE, VoidNamespaceSerializer.INSTANCE, desc);

	assertTrue(registryListener.registrationName.equals("vanilla"));

	KvStateInternalRequest request = new KvStateInternalRequest(registryListener.kvStateId, new byte[0]);
	ByteBuf serRequest = MessageSerializer.serializeRequest(channel.alloc(), 282872L, request);

	// Write the request and wait for the response
	channel.writeInbound(serRequest);

	ByteBuf buf = (ByteBuf) readInboundBlocking(channel);
	buf.skipBytes(4); // skip frame length

	// Verify the response
	assertEquals(MessageType.REQUEST_FAILURE, MessageSerializer.deserializeHeader(buf));
	RequestFailure response = MessageSerializer.deserializeRequestFailure(buf);

	assertTrue(response.getCause().getMessage().contains("RejectedExecutionException"));

	assertEquals(1L, stats.getNumRequests());
	assertEquals(1L, stats.getNumFailed());

	localTestServer.shutdown();
}
Example #5
Source File: KvStateServerHandlerTest.java    From flink with Apache License 2.0 4 votes vote down vote up 
/**
 * Tests the failure response on a rejected execution, because the query executor has been closed.
 */
@Test
public void testQueryExecutorShutDown() throws Throwable {
	KvStateRegistry registry = new KvStateRegistry();
	AtomicKvStateRequestStats stats = new AtomicKvStateRequestStats();

	KvStateServerImpl localTestServer = new KvStateServerImpl(
			InetAddress.getLocalHost(),
			Collections.singletonList(0).iterator(),
			1,
			1,
			new KvStateRegistry(),
			new DisabledKvStateRequestStats());

	localTestServer.start();
	localTestServer.shutdown();
	assertTrue(localTestServer.getQueryExecutor().isTerminated());

	MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer =
			new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer());

	KvStateServerHandler handler = new KvStateServerHandler(localTestServer, registry, serializer, stats);
	EmbeddedChannel channel = new EmbeddedChannel(getFrameDecoder(), handler);

	int numKeyGroups = 1;
	AbstractStateBackend abstractBackend = new MemoryStateBackend();
	DummyEnvironment dummyEnv = new DummyEnvironment("test", 1, 0);
	dummyEnv.setKvStateRegistry(registry);
	KeyedStateBackend<Integer> backend = createKeyedStateBackend(registry, numKeyGroups, abstractBackend, dummyEnv);

	final TestRegistryListener registryListener = new TestRegistryListener();
	registry.registerListener(dummyEnv.getJobID(), registryListener);

	// Register state
	ValueStateDescriptor<Integer> desc = new ValueStateDescriptor<>("any", IntSerializer.INSTANCE);
	desc.setQueryable("vanilla");

	backend.getPartitionedState(VoidNamespace.INSTANCE, VoidNamespaceSerializer.INSTANCE, desc);

	assertTrue(registryListener.registrationName.equals("vanilla"));

	KvStateInternalRequest request = new KvStateInternalRequest(registryListener.kvStateId, new byte[0]);
	ByteBuf serRequest = MessageSerializer.serializeRequest(channel.alloc(), 282872L, request);

	// Write the request and wait for the response
	channel.writeInbound(serRequest);

	ByteBuf buf = (ByteBuf) readInboundBlocking(channel);
	buf.skipBytes(4); // skip frame length

	// Verify the response
	assertEquals(MessageType.REQUEST_FAILURE, MessageSerializer.deserializeHeader(buf));
	RequestFailure response = MessageSerializer.deserializeRequestFailure(buf);

	assertTrue(response.getCause().getMessage().contains("RejectedExecutionException"));

	assertEquals(1L, stats.getNumRequests());
	assertEquals(1L, stats.getNumFailed());

	localTestServer.shutdown();
}
Example #6
Source File: KvStateServerHandlerTest.java    From flink with Apache License 2.0 4 votes vote down vote up 
/**
 * Tests the failure response on a rejected execution, because the query executor has been closed.
 */
@Test
public void testQueryExecutorShutDown() throws Throwable {
	KvStateRegistry registry = new KvStateRegistry();
	AtomicKvStateRequestStats stats = new AtomicKvStateRequestStats();

	KvStateServerImpl localTestServer = new KvStateServerImpl(
			InetAddress.getLocalHost().getHostName(),
			Collections.singletonList(0).iterator(),
			1,
			1,
			new KvStateRegistry(),
			new DisabledKvStateRequestStats());

	localTestServer.start();
	localTestServer.shutdown();
	assertTrue(localTestServer.getQueryExecutor().isTerminated());

	MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer =
			new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer());

	KvStateServerHandler handler = new KvStateServerHandler(localTestServer, registry, serializer, stats);
	EmbeddedChannel channel = new EmbeddedChannel(getFrameDecoder(), handler);

	int numKeyGroups = 1;
	AbstractStateBackend abstractBackend = new MemoryStateBackend();
	DummyEnvironment dummyEnv = new DummyEnvironment("test", 1, 0);
	dummyEnv.setKvStateRegistry(registry);
	KeyedStateBackend<Integer> backend = createKeyedStateBackend(registry, numKeyGroups, abstractBackend, dummyEnv);

	final TestRegistryListener registryListener = new TestRegistryListener();
	registry.registerListener(dummyEnv.getJobID(), registryListener);

	// Register state
	ValueStateDescriptor<Integer> desc = new ValueStateDescriptor<>("any", IntSerializer.INSTANCE);
	desc.setQueryable("vanilla");

	backend.getPartitionedState(VoidNamespace.INSTANCE, VoidNamespaceSerializer.INSTANCE, desc);

	assertTrue(registryListener.registrationName.equals("vanilla"));

	KvStateInternalRequest request = new KvStateInternalRequest(registryListener.kvStateId, new byte[0]);
	ByteBuf serRequest = MessageSerializer.serializeRequest(channel.alloc(), 282872L, request);

	// Write the request and wait for the response
	channel.writeInbound(serRequest);

	ByteBuf buf = (ByteBuf) readInboundBlocking(channel);
	buf.skipBytes(4); // skip frame length

	// Verify the response
	assertEquals(MessageType.REQUEST_FAILURE, MessageSerializer.deserializeHeader(buf));
	RequestFailure response = MessageSerializer.deserializeRequestFailure(buf);
	buf.release();

	assertTrue(response.getCause().getMessage().contains("RejectedExecutionException"));

	assertEquals(1L, stats.getNumRequests());
	assertEquals(1L, stats.getNumFailed());

	localTestServer.shutdown();
}