| /** |
| * 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.client; |
| |
| import static org.apache.hadoop.hbase.trace.TraceUtil.tracedFuture; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.concurrent.CompletableFuture; |
| import org.apache.hadoop.hbase.ClientMetaTableAccessor; |
| import org.apache.hadoop.hbase.HRegionLocation; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.yetus.audience.InterfaceAudience; |
| |
| /** |
| * The implementation of AsyncRegionLocator. |
| */ |
| @InterfaceAudience.Private |
| class AsyncTableRegionLocatorImpl implements AsyncTableRegionLocator { |
| |
| private final TableName tableName; |
| |
| private final AsyncConnectionImpl conn; |
| |
| public AsyncTableRegionLocatorImpl(TableName tableName, AsyncConnectionImpl conn) { |
| this.tableName = tableName; |
| this.conn = conn; |
| } |
| |
| @Override |
| public TableName getName() { |
| return tableName; |
| } |
| |
| @Override |
| public CompletableFuture<HRegionLocation> getRegionLocation(byte[] row, int replicaId, |
| boolean reload) { |
| return conn.getLocator().getRegionLocation(tableName, row, replicaId, RegionLocateType.CURRENT, |
| reload, -1L); |
| } |
| |
| @Override |
| public CompletableFuture<List<HRegionLocation>> getAllRegionLocations() { |
| return tracedFuture(() -> { |
| if (TableName.isMetaTableName(tableName)) { |
| return conn.registry.getMetaRegionLocations() |
| .thenApply(locs -> Arrays.asList(locs.getRegionLocations())); |
| } |
| return ClientMetaTableAccessor |
| .getTableHRegionLocations(conn.getTable(TableName.META_TABLE_NAME), tableName); |
| }, getClass().getSimpleName() + ".getAllRegionLocations"); |
| } |
| |
| @Override |
| public CompletableFuture<List<HRegionLocation>> getRegionLocations(byte[] row, boolean reload) { |
| return conn.getLocator() |
| .getRegionLocations(tableName, row, RegionLocateType.CURRENT, reload, -1L) |
| .thenApply(locs -> Arrays.asList(locs.getRegionLocations())); |
| } |
| |
| @Override |
| public void clearRegionLocationCache() { |
| conn.getLocator().clearCache(tableName); |
| } |
| } |