/*
 * 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.hbase.mapreduce;

import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.TableName;
import org.apache.yetus.audience.InterfaceAudience;

/**
 * Tool to load the output of HFileOutputFormat into an existing table.
 * @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0. Use
 *             {@link org.apache.hadoop.hbase.tool.LoadIncrementalHFiles} instead.
 */
@edu.umd.cs.findbugs.annotations.SuppressWarnings(value = "NM_SAME_SIMPLE_NAME_AS_SUPERCLASS",
    justification = "Temporary glue. To be removed")
@Deprecated
@InterfaceAudience.Public
public class LoadIncrementalHFiles extends org.apache.hadoop.hbase.tool.LoadIncrementalHFiles {

  /**
   * @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0. Use
   *             {@link org.apache.hadoop.hbase.tool.LoadIncrementalHFiles.LoadQueueItem} instead.
   */
  @edu.umd.cs.findbugs.annotations.SuppressWarnings(value = "NM_SAME_SIMPLE_NAME_AS_SUPERCLASS",
      justification = "Temporary glue. To be removed")
  @Deprecated
  @InterfaceAudience.Public
  public static class LoadQueueItem
    extends org.apache.hadoop.hbase.tool.LoadIncrementalHFiles.LoadQueueItem {

    public LoadQueueItem(byte[] family, Path hfilePath) {
      super(family, hfilePath);
    }
  }

  public LoadIncrementalHFiles(Configuration conf) {
    super(conf);
  }

  public Map<LoadQueueItem, ByteBuffer> run(String dirPath, Map<byte[], List<Path>> map,
    TableName tableName) throws IOException {
    Map<org.apache.hadoop.hbase.tool.LoadIncrementalHFiles.LoadQueueItem, ByteBuffer> originRet;
    if (dirPath != null) {
      originRet = run(dirPath, tableName);
    } else {
      originRet = run(map, tableName);
    }
    Map<LoadQueueItem, ByteBuffer> ret = new HashMap<>();
    originRet.forEach((k, v) -> {
      ret.put(new LoadQueueItem(k.getFamily(), k.getFilePath()), v);
    });
    return ret;
  }
}
