| /* |
| * 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.autoscaler.utils; |
| |
| import org.apache.flink.annotation.VisibleForTesting; |
| import org.apache.flink.api.common.JobStatus; |
| import org.apache.flink.runtime.client.JobStatusMessage; |
| import org.apache.flink.runtime.execution.ExecutionState; |
| import org.apache.flink.runtime.messages.webmonitor.JobDetails; |
| import org.apache.flink.runtime.messages.webmonitor.MultipleJobsDetails; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.List; |
| import java.util.stream.Collectors; |
| |
| /** Job status related utilities. */ |
| public class JobStatusUtils { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(JobStatusUtils.class); |
| |
| public static List<JobStatusMessage> toJobStatusMessage( |
| MultipleJobsDetails multipleJobsDetails) { |
| return multipleJobsDetails.getJobs().stream() |
| .map( |
| details -> |
| new JobStatusMessage( |
| details.getJobId(), |
| details.getJobName(), |
| getEffectiveStatus(details), |
| details.getStartTime())) |
| .collect(Collectors.toList()); |
| } |
| |
| @VisibleForTesting |
| static JobStatus getEffectiveStatus(JobDetails details) { |
| int numRunning = details.getTasksPerState()[ExecutionState.RUNNING.ordinal()]; |
| int numFinished = details.getTasksPerState()[ExecutionState.FINISHED.ordinal()]; |
| boolean allRunningOrFinished = details.getNumTasks() == (numRunning + numFinished); |
| JobStatus effectiveStatus = details.getStatus(); |
| if (JobStatus.RUNNING.equals(effectiveStatus) && !allRunningOrFinished) { |
| LOG.debug("Adjusting job state from {} to {}", JobStatus.RUNNING, JobStatus.CREATED); |
| return JobStatus.CREATED; |
| } |
| return effectiveStatus; |
| } |
| } |