1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 package org.apache.hadoop.hbase.coprocessor;
20
21 import com.google.protobuf.Service;
22 import org.apache.hadoop.hbase.classification.InterfaceAudience;
23 import org.apache.hadoop.hbase.classification.InterfaceStability;
24 import org.apache.hadoop.hbase.HBaseInterfaceAudience;
25
26 /**
27 * Coprocessor endpoints registered once per server and providing protobuf services should implement
28 * this interface and return the {@link Service} instance via {@link #getService()}.
29 */
30 @InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.COPROC)
31 @InterfaceStability.Evolving
32 public interface SingletonCoprocessorService {
33 Service getService();
34 }