yanghua commented on a change in pull request #7571: [FLINK-10724] Refactor failure handling in check point coordinator URL: https://github.com/apache/flink/pull/7571#discussion_r250842739
########## File path: flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/CheckpointExecuteResult.java ########## @@ -0,0 +1,94 @@ +/* + * 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.checkpoint; + +/** + * The result of executing a checkpoint. + */ +public class CheckpointExecuteResult { + + private final CompletedCheckpoint success; + + private final CheckpointAbortReason failure; + + private final Throwable failureCause; + + public CheckpointExecuteResult(CompletedCheckpoint success) { + this.success = success; + this.failure = null; + this.failureCause = null; + } + + public CheckpointExecuteResult(CheckpointAbortReason failure) { + this.failure = failure; + this.failureCause = new Throwable(failure.getMessage()); + this.success = null; + + } + + public CheckpointExecuteResult(CheckpointAbortReason failure, Throwable failureCause) { + this.failure = failure; + this.failureCause = failureCause; + this.success = null; + } + + public static CompletedCheckpoint failed(CheckpointAbortReason reason, Throwable cause) { + return new CheckpointExecuteResult(reason, cause).getCompletedCheckpoint(); + } + + public boolean isSuccess() { + return success != null; + } + + public boolean isFailure() { + return failure != null; + } + + public CompletedCheckpoint getCompletedCheckpoint() { + if (failure != null) { + throw new IllegalStateException("Checkpoint executing was failure" + + (failureCause != null ? failureCause.getMessage() : "") + "."); + } + return success; + } + + public CheckpointAbortReason getFailureReason() { + if (failure != null) { + return failure; + } else { + throw new IllegalStateException("Checkpoint executing was successful"); + } + } + + public Throwable getFailureCause() { + if (getFailureReason() != null) { + return failureCause; + } else { + throw new IllegalStateException("Checkpoint executing was successful"); + } + } + + @Override + public String toString() { + return "CheckpointExecuteResult(" + Review comment: This discussion is valuable, it follows `CheckpointTriggerResult` now. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services
