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;
019
020import java.io.IOException;
021import org.apache.hadoop.conf.Configuration;
022import org.apache.hadoop.hbase.backup.impl.FullTableBackupClient;
023import org.apache.hadoop.hbase.backup.impl.IncrementalTableBackupClient;
024import org.apache.hadoop.hbase.backup.impl.TableBackupClient;
025import org.apache.hadoop.hbase.client.Connection;
026import org.apache.yetus.audience.InterfaceAudience;
027
028@InterfaceAudience.Private
029public final class BackupClientFactory {
030  private BackupClientFactory() {
031  }
032
033  public static TableBackupClient create(Connection conn, String backupId, BackupRequest request)
034    throws IOException {
035    Configuration conf = conn.getConfiguration();
036    try {
037      String clsName = conf.get(TableBackupClient.BACKUP_CLIENT_IMPL_CLASS);
038      if (clsName != null) {
039        Class<? extends TableBackupClient> clientImpl;
040        clientImpl = Class.forName(clsName).asSubclass(TableBackupClient.class);
041        TableBackupClient client = clientImpl.getDeclaredConstructor().newInstance();
042        client.init(conn, backupId, request);
043        return client;
044      }
045    } catch (Exception e) {
046      throw new IOException(e);
047    }
048
049    BackupType type = request.getBackupType();
050    if (type == BackupType.FULL) {
051      return new FullTableBackupClient(conn, backupId, request);
052    } else {
053      return new IncrementalTableBackupClient(conn, backupId, request);
054    }
055  }
056}