001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.coprocessor;
019
020import com.google.protobuf.Service;
021import org.apache.hadoop.hbase.HBaseInterfaceAudience;
022import org.apache.yetus.audience.InterfaceAudience;
023import org.apache.yetus.audience.InterfaceStability;
024
025/**
026 * Coprocessor endpoints registered once per server and providing protobuf services should implement
027 * this interface and return the {@link Service} instance via {@link #getService()}.
028 * @deprecated Since 2.0. Will be removed in 3.0
029 */
030@Deprecated
031@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.COPROC)
032@InterfaceStability.Evolving
033public interface SingletonCoprocessorService {
034  Service getService();
035}