001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.backup.impl;
019
020import java.io.IOException;
021import java.util.List;
022import java.util.stream.Collectors;
023import org.apache.hadoop.fs.Path;
024import org.apache.hadoop.hbase.backup.HBackupFileSystem;
025import org.apache.hadoop.hbase.backup.PointInTimeRestoreRequest;
026import org.apache.hadoop.hbase.client.Connection;
027import org.apache.yetus.audience.InterfaceAudience;
028
029/**
030 * PITR restore handler that retrieves backup metadata from a custom backup root directory.
031 * <p>
032 * This implementation is used when the PITR request specifies a custom backup location via
033 * {@code backupRootDir}.
034 */
035@InterfaceAudience.Private
036public class CustomBackupLocationPitrRestoreHandler extends AbstractPitrRestoreHandler {
037
038  public CustomBackupLocationPitrRestoreHandler(Connection conn,
039    PointInTimeRestoreRequest request) {
040    super(conn, request);
041  }
042
043  /**
044   * Retrieves completed backup entries from the given custom backup root directory and converts
045   * them into {@link PitrBackupMetadata} using {@link BackupImageAdapter}.
046   * @param request the PITR request
047   * @return list of completed backup metadata entries from the custom location
048   * @throws IOException if reading from the custom backup directory fails
049   */
050  @Override
051  protected List<PitrBackupMetadata> getBackupMetadata(PointInTimeRestoreRequest request)
052    throws IOException {
053    return HBackupFileSystem
054      .getAllBackupImages(conn.getConfiguration(), new Path(request.getBackupRootDir())).stream()
055      .map(BackupImageAdapter::new).collect(Collectors.toList());
056  }
057}