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.regionserver;
019
020import static org.apache.hadoop.hbase.regionserver.CustomTieringMultiFileWriter.CUSTOM_TIERING_TIME_RANGE;
021
022import java.io.IOException;
023import java.util.Date;
024import org.apache.hadoop.hbase.io.hfile.HFileInfo;
025import org.apache.yetus.audience.InterfaceAudience;
026import org.slf4j.Logger;
027import org.slf4j.LoggerFactory;
028
029@InterfaceAudience.Private
030public class CustomTiering implements DataTiering {
031  private static final Logger LOG = LoggerFactory.getLogger(CustomTiering.class);
032
033  private long getMaxTSFromTimeRange(byte[] hFileTimeRange, String hFileName) {
034    try {
035      if (hFileTimeRange == null) {
036        LOG.debug("Custom cell-based timestamp information not found for file: {}", hFileName);
037        return Long.MAX_VALUE;
038      }
039      long parsedValue = TimeRangeTracker.parseFrom(hFileTimeRange).getMax();
040      LOG.debug("Max TS for file {} is {}", hFileName, new Date(parsedValue));
041      return parsedValue;
042    } catch (IOException e) {
043      LOG.error("Error occurred while reading the Custom cell-based timestamp metadata of file: {}",
044        hFileName, e);
045      return Long.MAX_VALUE;
046    }
047  }
048
049  public long getTimestamp(HStoreFile hStoreFile) {
050    return getMaxTSFromTimeRange(hStoreFile.getMetadataValue(CUSTOM_TIERING_TIME_RANGE),
051      hStoreFile.getPath().getName());
052  }
053
054  public long getTimestamp(HFileInfo hFileInfo) {
055    return getMaxTSFromTimeRange(hFileInfo.get(CUSTOM_TIERING_TIME_RANGE),
056      hFileInfo.getHFileContext().getHFileName());
057  }
058}