| /* |
| * 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; |
| |
| import org.apache.flink.api.common.JobStatus; |
| |
| import java.util.List; |
| |
| /** |
| * This class represents a {@link CompletedCheckpointStore} if checkpointing has been enabled. |
| * Consequently, no component should use methods other than {@link |
| * CompletedCheckpointStore#shutdown}. |
| */ |
| public enum DeactivatedCheckpointCompletedCheckpointStore implements CompletedCheckpointStore { |
| INSTANCE; |
| |
| @Override |
| public void recover() throws Exception { |
| throw unsupportedOperationException(); |
| } |
| |
| @Override |
| public void addCheckpoint( |
| CompletedCheckpoint checkpoint, |
| CheckpointsCleaner checkpointsCleaner, |
| Runnable postCleanup) |
| throws Exception { |
| throw unsupportedOperationException(); |
| } |
| |
| @Override |
| public void shutdown(JobStatus jobStatus, CheckpointsCleaner checkpointsCleaner) |
| throws Exception {} |
| |
| @Override |
| public List<CompletedCheckpoint> getAllCheckpoints() throws Exception { |
| throw unsupportedOperationException(); |
| } |
| |
| @Override |
| public int getNumberOfRetainedCheckpoints() { |
| throw unsupportedOperationException(); |
| } |
| |
| @Override |
| public int getMaxNumberOfRetainedCheckpoints() { |
| throw unsupportedOperationException(); |
| } |
| |
| @Override |
| public boolean requiresExternalizedCheckpoints() { |
| throw unsupportedOperationException(); |
| } |
| |
| private UnsupportedOperationException unsupportedOperationException() { |
| return new UnsupportedOperationException( |
| String.format( |
| "The %s cannot store completed checkpoints.", getClass().getSimpleName())); |
| } |
| } |