org.apache.flink.runtime.rest.handler.job.JobPlanHandler Maven / Gradle / Ivy
package org.apache.flink.runtime.rest.handler.job;
/*
* 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.
*/
import org.apache.flink.api.common.time.Time;
import org.apache.flink.runtime.executiongraph.AccessExecutionGraph;
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.JobIDPathParameter;
import org.apache.flink.runtime.rest.messages.JobMessageParameters;
import org.apache.flink.runtime.rest.messages.JobPlanInfo;
import org.apache.flink.runtime.rest.messages.MessageHeaders;
import org.apache.flink.runtime.rest.messages.ResponseBody;
import org.apache.flink.runtime.webmonitor.RestfulGateway;
import org.apache.flink.runtime.webmonitor.history.ArchivedJson;
import org.apache.flink.runtime.webmonitor.history.JsonArchivist;
import org.apache.flink.runtime.webmonitor.retriever.GatewayRetriever;
import java.io.IOException;
import java.util.Collection;
import java.util.Collections;
import java.util.Map;
import java.util.concurrent.Executor;
/**
* Handler serving the job execution plan.
*/
public class JobPlanHandler extends AbstractExecutionGraphHandler implements JsonArchivist {
public JobPlanHandler(
GatewayRetriever leaderRetriever,
Time timeout,
Map headers,
MessageHeaders messageHeaders,
ExecutionGraphCache executionGraphCache,
Executor executor) {
super(
leaderRetriever,
timeout,
headers,
messageHeaders,
executionGraphCache,
executor);
}
@Override
protected JobPlanInfo handleRequest(HandlerRequest request, AccessExecutionGraph executionGraph) throws RestHandlerException {
return createJobPlanInfo(executionGraph);
}
@Override
public Collection archiveJsonWithPath(AccessExecutionGraph graph) throws IOException {
ResponseBody json = createJobPlanInfo(graph);
String path = getMessageHeaders().getTargetRestEndpointURL()
.replace(':' + JobIDPathParameter.KEY, graph.getJobID().toString());
return Collections.singleton(new ArchivedJson(path, json));
}
private static JobPlanInfo createJobPlanInfo(AccessExecutionGraph executionGraph) {
return new JobPlanInfo(executionGraph.getJsonPlan());
}
}