1 /*
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 */
19 package org.apache.hadoop.hbase.regionserver;
20
21 import java.io.IOException;
22 import java.util.List;
23
24 import org.apache.hadoop.hbase.classification.InterfaceAudience;
25 import org.apache.hadoop.hbase.CellScanner;
26 import org.apache.hadoop.hbase.protobuf.generated.AdminProtos.WALEntry;
27
28 /**
29 * A sink for a replication stream has to expose this service.
30 * This service allows an application to hook into the
31 * regionserver and behave as a replication sink.
32 */
33 @InterfaceAudience.Private
34 public interface ReplicationSinkService extends ReplicationService {
35 /**
36 * Carry on the list of log entries down to the sink
37 * @param entries list of WALEntries to replicate
38 * @param cells Cells that the WALEntries refer to (if cells is non-null)
39 * @throws IOException
40 */
41 void replicateLogEntries(List<WALEntry> entries, CellScanner cells) throws IOException;
42 }