jinglining commented on a change in pull request #11752: URL: https://github.com/apache/flink/pull/11752#discussion_r421907421
########## File path: flink-runtime/src/main/java/org/apache/flink/runtime/rest/handler/job/SubtaskAllExecutionAttemptsDetailsHandler.java ########## @@ -0,0 +1,90 @@ +/* + * 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.JobID; +import org.apache.flink.api.common.time.Time; +import org.apache.flink.runtime.executiongraph.AccessExecutionVertex; +import org.apache.flink.runtime.jobgraph.JobVertexID; +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.handler.legacy.metrics.MetricFetcher; +import org.apache.flink.runtime.rest.messages.EmptyRequestBody; +import org.apache.flink.runtime.rest.messages.JobIDPathParameter; +import org.apache.flink.runtime.rest.messages.JobVertexIdPathParameter; +import org.apache.flink.runtime.rest.messages.MessageHeaders; +import org.apache.flink.runtime.rest.messages.job.SubtaskAllExecutionAttemptsDetailsInfo; +import org.apache.flink.runtime.rest.messages.job.SubtaskExecutionAttemptDetailsInfo; +import org.apache.flink.runtime.rest.messages.job.SubtaskMessageParameters; +import org.apache.flink.runtime.webmonitor.RestfulGateway; +import org.apache.flink.runtime.webmonitor.retriever.GatewayRetriever; +import org.apache.flink.util.Preconditions; + +import java.util.ArrayList; +import java.util.List; +import java.util.Map; +import java.util.concurrent.Executor; + +/** + * Handler which returns the details of all execution attempts of a subtask. + */ +public class SubtaskAllExecutionAttemptsDetailsHandler + extends AbstractSubtaskHandler<SubtaskAllExecutionAttemptsDetailsInfo, SubtaskMessageParameters> { + + private final MetricFetcher metricFetcher; + + public SubtaskAllExecutionAttemptsDetailsHandler( + GatewayRetriever<? extends RestfulGateway> leaderRetriever, + Time timeout, + Map<String, String> responseHeaders, + MessageHeaders<EmptyRequestBody, SubtaskAllExecutionAttemptsDetailsInfo, SubtaskMessageParameters> messageHeaders, + ExecutionGraphCache executionGraphCache, + Executor executor, + MetricFetcher metricFetcher) { + super(leaderRetriever, timeout, responseHeaders, messageHeaders, executionGraphCache, executor); + + this.metricFetcher = Preconditions.checkNotNull(metricFetcher); + } + + @Override + protected SubtaskAllExecutionAttemptsDetailsInfo handleRequest( + HandlerRequest<EmptyRequestBody, SubtaskMessageParameters> request, + AccessExecutionVertex executionVertex) throws RestHandlerException { + final JobID jobID = request.getPathParameter(JobIDPathParameter.class); + final JobVertexID jobVertexID = request.getPathParameter(JobVertexIdPathParameter.class); + + return createSubtaskExecutionAttemptsDetailsInfo(executionVertex, jobID, jobVertexID); + } + + protected SubtaskAllExecutionAttemptsDetailsInfo createSubtaskExecutionAttemptsDetailsInfo( + AccessExecutionVertex executionVertex, + JobID jobID, + JobVertexID jobVertexID) { + List<SubtaskExecutionAttemptDetailsInfo> allAttempts = new ArrayList<>(); + executionVertex.getPriorExecutionAttempts().forEach(execution -> { + if (execution != null) { Review comment: In [JIAR](https://issues.apache.org/jira/browse/FLINK-12247) has talked about it. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
