| /* |
| * 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.api.common; |
| |
| import org.apache.flink.annotation.PublicEvolving; |
| |
| /** Possible states of a job once it has been accepted by the dispatcher. */ |
| @PublicEvolving |
| public enum JobStatus { |
| /** |
| * The job has been received by the Dispatcher, and is waiting for the job manager to receive |
| * leadership and to be created. |
| */ |
| INITIALIZING(TerminalState.NON_TERMINAL), |
| |
| /** Job is newly created, no task has started to run. */ |
| CREATED(TerminalState.NON_TERMINAL), |
| |
| /** Some tasks are scheduled or running, some may be pending, some may be finished. */ |
| RUNNING(TerminalState.NON_TERMINAL), |
| |
| /** The job has failed and is currently waiting for the cleanup to complete. */ |
| FAILING(TerminalState.NON_TERMINAL), |
| |
| /** The job has failed with a non-recoverable task failure. */ |
| FAILED(TerminalState.GLOBALLY), |
| |
| /** Job is being cancelled. */ |
| CANCELLING(TerminalState.NON_TERMINAL), |
| |
| /** Job has been cancelled. */ |
| CANCELED(TerminalState.GLOBALLY), |
| |
| /** All of the job's tasks have successfully finished. */ |
| FINISHED(TerminalState.GLOBALLY), |
| |
| /** The job is currently undergoing a reset and total restart. */ |
| RESTARTING(TerminalState.NON_TERMINAL), |
| |
| /** |
| * The job has been suspended which means that it has been stopped but not been removed from a |
| * potential HA job store. |
| */ |
| SUSPENDED(TerminalState.LOCALLY), |
| |
| /** The job is currently reconciling and waits for task execution report to recover state. */ |
| RECONCILING(TerminalState.NON_TERMINAL); |
| |
| // -------------------------------------------------------------------------------------------- |
| |
| private enum TerminalState { |
| NON_TERMINAL, |
| LOCALLY, |
| GLOBALLY |
| } |
| |
| private final TerminalState terminalState; |
| |
| JobStatus(TerminalState terminalState) { |
| this.terminalState = terminalState; |
| } |
| |
| /** |
| * Checks whether this state is <i>globally terminal</i>. A globally terminal job is complete |
| * and cannot fail any more and will not be restarted or recovered by another standby master |
| * node. |
| * |
| * <p>When a globally terminal state has been reached, all recovery data for the job is dropped |
| * from the high-availability services. |
| * |
| * @return True, if this job status is globally terminal, false otherwise. |
| */ |
| public boolean isGloballyTerminalState() { |
| return terminalState == TerminalState.GLOBALLY; |
| } |
| |
| /** |
| * Checks whether this state is <i>locally terminal</i>. Locally terminal refers to the state of |
| * a job's execution graph within an executing JobManager. If the execution graph is locally |
| * terminal, the JobManager will not continue executing or recovering the job. |
| * |
| * <p>The only state that is locally terminal, but not globally terminal is {@link #SUSPENDED}, |
| * which is typically entered when the executing JobManager looses its leader status. |
| * |
| * @return True, if this job status is terminal, false otherwise. |
| */ |
| public boolean isTerminalState() { |
| return terminalState != TerminalState.NON_TERMINAL; |
| } |
| } |