org.apache.flink.runtime.taskexecutor.rpc.RpcTaskOperatorEventGateway Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.flink.runtime.taskexecutor.rpc;
import org.apache.flink.runtime.executiongraph.ExecutionAttemptID;
import org.apache.flink.runtime.jobgraph.OperatorID;
import org.apache.flink.runtime.jobgraph.tasks.TaskOperatorEventGateway;
import org.apache.flink.runtime.jobmaster.JobMasterOperatorEventGateway;
import org.apache.flink.runtime.messages.Acknowledge;
import org.apache.flink.runtime.operators.coordination.OperatorEvent;
import org.apache.flink.util.SerializedValue;
import java.util.concurrent.CompletableFuture;
import java.util.function.Consumer;
/**
* An OperatorEventSender that calls the RPC gateway {@link JobMasterOperatorEventGateway} to
* send the messages to the coordinator.
*/
public class RpcTaskOperatorEventGateway implements TaskOperatorEventGateway {
private final JobMasterOperatorEventGateway rpcGateway;
private final ExecutionAttemptID taskExecutionId;
private final Consumer errorHandler;
public RpcTaskOperatorEventGateway(
JobMasterOperatorEventGateway rpcGateway,
ExecutionAttemptID taskExecutionId,
Consumer errorHandler) {
this.rpcGateway = rpcGateway;
this.taskExecutionId = taskExecutionId;
this.errorHandler = errorHandler;
}
@Override
public void sendOperatorEventToCoordinator(OperatorID operator, SerializedValue event) {
final CompletableFuture result =
rpcGateway.sendOperatorEventToCoordinator(taskExecutionId, operator, event);
result.whenComplete((success, exception) -> {
if (exception != null) {
errorHandler.accept(exception);
}
});
}
}