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}