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}