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 java.util.Optional; 021import org.apache.hadoop.hbase.Coprocessor; 022import org.apache.hadoop.hbase.HBaseInterfaceAudience; 023import org.apache.yetus.audience.InterfaceAudience; 024import org.apache.yetus.audience.InterfaceStability; 025 026@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.COPROC) 027@InterfaceStability.Evolving 028public interface RegionCoprocessor extends Coprocessor { 029 030 default Optional<RegionObserver> getRegionObserver() { 031 return Optional.empty(); 032 } 033 034 default Optional<EndpointObserver> getEndpointObserver() { 035 return Optional.empty(); 036 } 037 038 default Optional<BulkLoadObserver> getBulkLoadObserver() { 039 return Optional.empty(); 040 } 041}