Github user zentol commented on a diff in the pull request: https://github.com/apache/flink/pull/4742#discussion_r142502599 --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/rest/handler/job/JobSubmitHandler.java --- @@ -0,0 +1,66 @@ +/* + * 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.concurrent.FutureUtils; +import org.apache.flink.runtime.dispatcher.DispatcherGateway; +import org.apache.flink.runtime.jobgraph.JobGraph; +import org.apache.flink.runtime.rest.handler.AbstractRestHandler; +import org.apache.flink.runtime.rest.handler.HandlerRequest; +import org.apache.flink.runtime.rest.handler.RestHandlerException; +import org.apache.flink.runtime.rest.messages.EmptyMessageParameters; +import org.apache.flink.runtime.rest.messages.job.JobSubmitHeaders; +import org.apache.flink.runtime.rest.messages.job.JobSubmitRequestBody; +import org.apache.flink.runtime.rest.messages.job.JobSubmitResponseBody; +import org.apache.flink.runtime.webmonitor.retriever.GatewayRetriever; + +import org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpResponseStatus; + +import javax.annotation.Nonnull; + +import java.io.ByteArrayInputStream; +import java.io.ObjectInputStream; +import java.util.concurrent.CompletableFuture; + +/** + * This handler can be used to submit jobs to a Flink cluster. + */ +public final class JobSubmitHandler extends AbstractRestHandler<DispatcherGateway, JobSubmitRequestBody, JobSubmitResponseBody, EmptyMessageParameters> { + + public JobSubmitHandler(CompletableFuture<String> localRestAddress, GatewayRetriever<DispatcherGateway> leaderRetriever, Time timeout) { + super(localRestAddress, leaderRetriever, timeout, JobSubmitHeaders.getInstance()); + } + + @Override + protected CompletableFuture<JobSubmitResponseBody> handleRequest(@Nonnull HandlerRequest<JobSubmitRequestBody, EmptyMessageParameters> request, @Nonnull DispatcherGateway gateway) throws RestHandlerException { + JobGraph jobGraph; + try { + ObjectInputStream objectIn = new ObjectInputStream(new ByteArrayInputStream(request.getRequestBody().serializedJobGraph)); + jobGraph = (JobGraph) objectIn.readObject(); --- End diff -- A wrapper as in a class that extends JobGraph and overrides every method? This seems a bit tricky to maintain without an interface to implement (granted the jobgraph rarely changes, but if it does things would probably blow up).
---