| /* |
| * 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.regionserver; |
| |
| import java.io.IOException; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hbase.Server; |
| import org.apache.hadoop.hbase.replication.regionserver.ReplicationLoad; |
| import org.apache.hadoop.hbase.wal.WALFactory; |
| import org.apache.yetus.audience.InterfaceAudience; |
| |
| /** |
| * Gateway to Cluster Replication. Used by |
| * {@link org.apache.hadoop.hbase.regionserver.HRegionServer}. One such application is a |
| * cross-datacenter replication service that can keep two hbase clusters in sync. |
| */ |
| @InterfaceAudience.Private |
| public interface ReplicationService { |
| /** |
| * Initializes the replication service object. |
| */ |
| void initialize(Server rs, FileSystem fs, Path logdir, Path oldLogDir, WALFactory walFactory) |
| throws IOException; |
| |
| /** |
| * Start replication services. |
| */ |
| void startReplicationService() throws IOException; |
| |
| /** |
| * Stops replication service. |
| */ |
| void stopReplicationService(); |
| |
| /** |
| * Refresh and Get ReplicationLoad |
| */ |
| ReplicationLoad refreshAndGetReplicationLoad(); |
| } |