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From tillrohrmann <...@git.apache.org>
Subject [GitHub] flink pull request #4742: [FLINK-7072] [REST] Add Flip-6 client for submit/j...
Date Mon, 02 Oct 2017 12:15:51 GMT
Github user tillrohrmann commented on a diff in the pull request:

    https://github.com/apache/flink/pull/4742#discussion_r142107308
  
    --- 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();
    +		} catch (Exception e) {
    +			log.error("Failed to deserialize JobGraph.", e);
    +			return FutureUtils.completedExceptionally(new RestHandlerException("Failed to deserialize
JobGraph.", HttpResponseStatus.BAD_REQUEST));
    +		}
    +
    +		gateway.submitJob(jobGraph, Time.seconds(5));
    --- End diff --
    
    use `timeout` variable


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