Java Code Examples for org.apache.flink.util.LambdaUtil#withContextClassLoader()

The following examples show how to use org.apache.flink.util.LambdaUtil#withContextClassLoader() . 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: MasterHooks.java From flink with Apache License 2.0

5 votes

@Nullable
@Override
public CompletableFuture<T> triggerCheckpoint(long checkpointId, long timestamp, final Executor executor) throws Exception {
	final Executor wrappedExecutor = command -> executor.execute(new WrappedCommand(userClassLoader, command));

	return LambdaUtil.withContextClassLoader(
			userClassLoader,
			() -> hook.triggerCheckpoint(checkpointId, timestamp, wrappedExecutor));
}

Example 2

Source File: MasterHooks.java From Flink-CEPplus with Apache License 2.0

5 votes

@Nullable
@Override
public CompletableFuture<T> triggerCheckpoint(long checkpointId, long timestamp, final Executor executor) throws Exception {
	final Executor wrappedExecutor = new Executor() {
		@Override
		public void execute(Runnable command) {
			executor.execute(new WrappedCommand(userClassLoader, command));
		}
	};

	return LambdaUtil.withContextClassLoader(
			userClassLoader,
			() -> hook.triggerCheckpoint(checkpointId, timestamp, wrappedExecutor));
}

Example 3

Source File: SavepointOutputFormat.java From flink with Apache License 2.0

5 votes

@Override
public void writeRecord(CheckpointMetadata metadata) throws IOException {
	String path = LambdaUtil.withContextClassLoader(getRuntimeContext().getUserCodeClassLoader(), () -> {
			try (CheckpointMetadataOutputStream out = targetLocation.createMetadataOutputStream()) {
				Checkpoints.storeCheckpointMetadata(metadata, out);
				CompletedCheckpointStorageLocation finalizedLocation = out.closeAndFinalizeCheckpoint();
				return finalizedLocation.getExternalPointer();
			}
	});

	LOG.info("Savepoint written to " + path);
}

Example 4

Source File: SavepointOutputFormat.java From flink with Apache License 2.0

5 votes

@Override
public void writeRecord(Savepoint savepoint) throws IOException {
	String path = LambdaUtil.withContextClassLoader(getRuntimeContext().getUserCodeClassLoader(), () -> {
			try (CheckpointMetadataOutputStream out = targetLocation.createMetadataOutputStream()) {
				Checkpoints.storeCheckpointMetadata(savepoint, out);
				CompletedCheckpointStorageLocation finalizedLocation = out.closeAndFinalizeCheckpoint();
				return finalizedLocation.getExternalPointer();
			}
	});

	LOG.info("Savepoint written to " + path);
}

Example 5

Source File: MasterHooks.java From flink with Apache License 2.0

5 votes

@Nullable
@Override
public CompletableFuture<T> triggerCheckpoint(long checkpointId, long timestamp, final Executor executor) throws Exception {
	final Executor wrappedExecutor = new Executor() {
		@Override
		public void execute(Runnable command) {
			executor.execute(new WrappedCommand(userClassLoader, command));
		}
	};

	return LambdaUtil.withContextClassLoader(
			userClassLoader,
			() -> hook.triggerCheckpoint(checkpointId, timestamp, wrappedExecutor));
}

Example 6

Source File: MasterHooks.java From flink with Apache License 2.0

4 votes

@Override
public String getIdentifier() {
	return LambdaUtil.withContextClassLoader(userClassLoader, hook::getIdentifier);
}

Example 7

Source File: MasterHooks.java From flink with Apache License 2.0

4 votes

@Nullable
@Override
public SimpleVersionedSerializer<T> createCheckpointDataSerializer() {
	return LambdaUtil.withContextClassLoader(userClassLoader, hook::createCheckpointDataSerializer);
}

Example 8

Source File: MasterHooks.java From flink with Apache License 2.0

4 votes

@Override
public void close() throws Exception {
	LambdaUtil.withContextClassLoader(userClassLoader, hook::close);
}

Example 9

Source File: MasterHooks.java From flink with Apache License 2.0

4 votes

@Override
public void reset() throws Exception {
	LambdaUtil.withContextClassLoader(userClassLoader, hook::reset);
}

Example 10

Source File: MasterHooks.java From flink with Apache License 2.0

4 votes

@Override
public void run() {
	LambdaUtil.withContextClassLoader(userClassLoader, command::run);
}

Example 11

Source File: MasterHooks.java From flink with Apache License 2.0

4 votes

@Nullable
@Override
public SimpleVersionedSerializer<T> createCheckpointDataSerializer() {
	return LambdaUtil.withContextClassLoader(userClassLoader, hook::createCheckpointDataSerializer);
}

Example 12

Source File: MasterHooks.java From flink with Apache License 2.0

4 votes

@Override
public void restoreCheckpoint(long checkpointId, @Nullable T checkpointData) throws Exception {
	LambdaUtil.withContextClassLoader(
			userClassLoader,
			() -> hook.restoreCheckpoint(checkpointId, checkpointData));
}

Example 13

Source File: MasterHooks.java From Flink-CEPplus with Apache License 2.0

4 votes

@Override
public void reset() throws Exception {
	LambdaUtil.withContextClassLoader(userClassLoader, hook::reset);
}

Example 14

Source File: MasterHooks.java From flink with Apache License 2.0

4 votes

@Override
public void close() throws Exception {
	LambdaUtil.withContextClassLoader(userClassLoader, hook::close);
}

Example 15

Source File: MasterHooks.java From flink with Apache License 2.0

4 votes

@Override
public void reset() throws Exception {
	LambdaUtil.withContextClassLoader(userClassLoader, hook::reset);
}

Example 16

Source File: MasterHooks.java From Flink-CEPplus with Apache License 2.0

4 votes

@Override
public void run() {
	LambdaUtil.withContextClassLoader(userClassLoader, command::run);
}

Example 17

Source File: MasterHooks.java From flink with Apache License 2.0

4 votes

@Override
public void restoreCheckpoint(long checkpointId, @Nullable T checkpointData) throws Exception {
	LambdaUtil.withContextClassLoader(
			userClassLoader,
			() -> hook.restoreCheckpoint(checkpointId, checkpointData));
}

Example 18

Source File: MasterHooks.java From Flink-CEPplus with Apache License 2.0

4 votes

@Override
public void restoreCheckpoint(long checkpointId, @Nullable T checkpointData) throws Exception {
	LambdaUtil.withContextClassLoader(
			userClassLoader,
			() -> hook.restoreCheckpoint(checkpointId, checkpointData));
}

Example 19

Source File: MasterHooks.java From flink with Apache License 2.0

4 votes

@Override
public void run() {
	LambdaUtil.withContextClassLoader(userClassLoader, command::run);
}

Example 20

Source File: MasterHooks.java From Flink-CEPplus with Apache License 2.0

4 votes

@Override
public void close() throws Exception {
	LambdaUtil.withContextClassLoader(userClassLoader, hook::close);
}