Github user GJL commented on a diff in the pull request: https://github.com/apache/flink/pull/5184#discussion_r157877969 --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/jobmaster/JobExecutionResult.java --- @@ -0,0 +1,124 @@ +/* + * 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.jobmaster; + +import org.apache.flink.api.common.JobID; +import org.apache.flink.runtime.dispatcher.Dispatcher; +import org.apache.flink.util.SerializedThrowable; +import org.apache.flink.util.SerializedValue; + +import javax.annotation.Nullable; + +import java.util.Collections; +import java.util.Map; +import java.util.Optional; + +import static java.util.Objects.requireNonNull; +import static org.apache.flink.util.Preconditions.checkArgument; + +/** + * Similar to {@link org.apache.flink.api.common.JobExecutionResult} but with an optional + * {@link SerializedThrowable} when the job failed. + * + * <p>This is used by the {@link JobMaster} to send the results to the {@link Dispatcher}. + */ +public class JobExecutionResult { + + private final JobID jobId; + + private final Map<String, SerializedValue<Object>> accumulatorResults; + + private final long netRuntime; + + private final SerializedThrowable serializedThrowable; + + private JobExecutionResult( + final JobID jobId, + final Map<String, SerializedValue<Object>> accumulatorResults, + final long netRuntime, + @Nullable final SerializedThrowable serializedThrowable) { + + checkArgument(netRuntime >= 0, "netRuntime must be greater than or equals 0"); + + this.jobId = requireNonNull(jobId); + this.accumulatorResults = requireNonNull(accumulatorResults); + this.netRuntime = netRuntime; + this.serializedThrowable = serializedThrowable; + } + + public boolean isSuccess() { --- End diff -- Javadocs are missing.
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