| // Copyright 2017 JanusGraph Authors |
| // |
| // Licensed 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. |
| |
| /** |
| * Copyright DataStax, Inc. |
| * <p> |
| * Please see the included license file for details. |
| */ |
| package org.janusgraph.diskstorage.hbase2; |
| |
| import org.apache.hadoop.hbase.HRegionLocation; |
| |
| import java.io.Closeable; |
| import java.io.IOException; |
| import java.util.List; |
| |
| /** |
| * This interface hides ABI/API breaking changes that HBase has made to its (H)Connection class over the course |
| * of development from 0.94 to 1.0 and beyond. |
| */ |
| public interface ConnectionMask extends Closeable |
| { |
| |
| /** |
| * Retrieve the TableMask compatibility layer object for the supplied table name. |
| * @return The TableMask for the specified table. |
| * @throws IOException in the case of backend exceptions. |
| */ |
| TableMask getTable(String name) throws IOException; |
| |
| /** |
| * Retrieve the AdminMask compatibility layer object for this Connection. |
| * @return The AdminMask for this Connection |
| * @throws IOException in the case of backend exceptions. |
| */ |
| AdminMask getAdmin() throws IOException; |
| |
| /** |
| * Retrieve the RegionLocations for the supplied table name. |
| * @return A map of HRegionInfo to ServerName that describes the storage regions for the named table. |
| * @throws IOException in the case of backend exceptions. |
| */ |
| List<HRegionLocation> getRegionLocations(String tablename) throws IOException; |
| } |