| /* |
| * 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.hadoop.hdds.utils.db; |
| |
| import java.io.IOException; |
| import java.nio.file.Path; |
| |
| import org.apache.commons.io.FileUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Class to hold information and location of a RocksDB Checkpoint. |
| */ |
| public class RocksDBCheckpoint implements DBCheckpoint { |
| |
| private static final Logger LOG = |
| LoggerFactory.getLogger(RocksDBCheckpoint.class); |
| |
| private Path checkpointLocation; |
| private long checkpointTimestamp = System.currentTimeMillis(); |
| private long latestSequenceNumber = -1; |
| private long checkpointCreationTimeTaken = 0L; |
| private long ratisSnapshotIndex = 0L; |
| |
| public RocksDBCheckpoint(Path checkpointLocation) { |
| this.checkpointLocation = checkpointLocation; |
| } |
| |
| public RocksDBCheckpoint(Path checkpointLocation, |
| long snapshotTimestamp, |
| long latestSequenceNumber, |
| long checkpointCreationTimeTaken) { |
| this.checkpointLocation = checkpointLocation; |
| this.checkpointTimestamp = snapshotTimestamp; |
| this.latestSequenceNumber = latestSequenceNumber; |
| this.checkpointCreationTimeTaken = checkpointCreationTimeTaken; |
| } |
| |
| @Override |
| public Path getCheckpointLocation() { |
| return this.checkpointLocation; |
| } |
| |
| @Override |
| public long getCheckpointTimestamp() { |
| return this.checkpointTimestamp; |
| } |
| |
| @Override |
| public long getLatestSequenceNumber() { |
| return this.latestSequenceNumber; |
| } |
| |
| @Override |
| public long checkpointCreationTimeTaken() { |
| return checkpointCreationTimeTaken; |
| } |
| |
| @Override |
| public void cleanupCheckpoint() throws IOException { |
| LOG.info("Cleaning up RocksDB checkpoint at " + |
| checkpointLocation.toString()); |
| FileUtils.deleteDirectory(checkpointLocation.toFile()); |
| } |
| |
| @Override |
| public void setRatisSnapshotIndex(long omRatisSnapshotIndex) { |
| this.ratisSnapshotIndex = omRatisSnapshotIndex; |
| } |
| |
| @Override |
| public long getRatisSnapshotIndex() { |
| return ratisSnapshotIndex; |
| } |
| } |