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.client;
019
020import static org.apache.hadoop.hbase.util.FutureUtils.get;
021
022import java.io.IOException;
023import java.util.List;
024import org.apache.hadoop.hbase.HRegionLocation;
025import org.apache.hadoop.hbase.TableName;
026import org.apache.yetus.audience.InterfaceAudience;
027
028/**
029 * The {@link RegionLocator} implementation based on {@link AsyncTableRegionLocator}.
030 */
031@InterfaceAudience.Private
032class RegionLocatorOverAsyncTableRegionLocator implements RegionLocator {
033
034  private final AsyncTableRegionLocator locator;
035
036  RegionLocatorOverAsyncTableRegionLocator(AsyncTableRegionLocator locator) {
037    this.locator = locator;
038  }
039
040  @Override
041  public void close() {
042  }
043
044  @Override
045  public HRegionLocation getRegionLocation(byte[] row, int replicaId, boolean reload)
046    throws IOException {
047    return get(locator.getRegionLocation(row, replicaId, reload));
048  }
049
050  @Override
051  public List<HRegionLocation> getRegionLocations(byte[] row, boolean reload) throws IOException {
052    return get(locator.getRegionLocations(row, reload));
053  }
054
055  @Override
056  public void clearRegionLocationCache() {
057    locator.clearRegionLocationCache();
058  }
059
060  @Override
061  public List<HRegionLocation> getAllRegionLocations() throws IOException {
062    return get(locator.getAllRegionLocations());
063  }
064
065  @Override
066  public TableName getName() {
067    return locator.getName();
068  }
069
070}