org.apache.flink.runtime.rest.handler.job.JobAllSubtaskCurrentAttemptsHandler Maven / Gradle / Ivy

/*
 * 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.rest.handler.job;

import org.apache.flink.api.common.time.Time;
import org.apache.flink.runtime.executiongraph.AccessExecution;
import org.apache.flink.runtime.executiongraph.AccessExecutionGraph;
import org.apache.flink.runtime.executiongraph.AccessExecutionJobVertex;
import org.apache.flink.runtime.executiongraph.AccessExecutionVertex;
import org.apache.flink.runtime.rest.handler.HandlerRequest;
import org.apache.flink.runtime.rest.handler.RestHandlerException;
import org.apache.flink.runtime.rest.handler.legacy.ExecutionGraphCache;
import org.apache.flink.runtime.rest.messages.EmptyRequestBody;
import org.apache.flink.runtime.rest.messages.JobMessageParameters;
import org.apache.flink.runtime.rest.messages.MessageHeaders;
import org.apache.flink.runtime.rest.messages.job.JobSubtaskCurrentAttemptsInfo;
import org.apache.flink.runtime.rest.messages.job.SubtaskExecutionAttemptInfo;
import org.apache.flink.runtime.webmonitor.RestfulGateway;
import org.apache.flink.runtime.webmonitor.retriever.GatewayRetriever;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Map;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.Executor;

/**
 * Request handler for the job all SubtaskCurrentAttempts.
 */
public class JobAllSubtaskCurrentAttemptsHandler extends AbstractExecutionGraphHandler {

	public JobAllSubtaskCurrentAttemptsHandler(
			CompletableFuture localRestAddress,
			GatewayRetriever leaderRetriever,
			Time timeout,
			Map responseHeaders,
			MessageHeaders messageHeaders,
			ExecutionGraphCache executionGraphCache,
			Executor executor) {
		super(
			localRestAddress,
			leaderRetriever,
			timeout,
			responseHeaders,
			messageHeaders,
			executionGraphCache,
			executor);
	}

	@Override
	protected JobSubtaskCurrentAttemptsInfo handleRequest(HandlerRequest request,
														AccessExecutionGraph executionGraph) throws RestHandlerException {
		Collection subtaskExecutionAttemptsInfo = new ArrayList<>();
		for (AccessExecutionJobVertex accessExecutionJobVertex : executionGraph.getVerticesTopologically()) {
			String vertexId = accessExecutionJobVertex.getJobVertexId().toString();
			for (AccessExecutionVertex executionVertex: accessExecutionJobVertex.getTaskVertices()) {
				final AccessExecution execution = executionVertex.getCurrentExecutionAttempt();
				SubtaskExecutionAttemptInfo subtaskExecutionAttemptInfo = SubtaskExecutionAttemptInfo.create(execution, vertexId);
				subtaskExecutionAttemptsInfo.add(subtaskExecutionAttemptInfo);
			}
		}
		return new JobSubtaskCurrentAttemptsInfo(executionGraph.getState(), subtaskExecutionAttemptsInfo);
	}
}