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 20 package org.apache.hadoop.hbase.coprocessor; 21 22 import java.util.concurrent.ConcurrentMap; 23 24 import org.apache.hadoop.classification.InterfaceAudience; 25 import org.apache.hadoop.classification.InterfaceStability; 26 import org.apache.hadoop.hbase.CoprocessorEnvironment; 27 import org.apache.hadoop.hbase.HBaseInterfaceAudience; 28 import org.apache.hadoop.hbase.regionserver.HRegion; 29 import org.apache.hadoop.hbase.regionserver.RegionServerServices; 30 31 @InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.COPROC) 32 @InterfaceStability.Evolving 33 public interface RegionCoprocessorEnvironment extends CoprocessorEnvironment { 34 /** @return the region associated with this coprocessor */ 35 HRegion getRegion(); 36 37 /** @return reference to the region server services */ 38 RegionServerServices getRegionServerServices(); 39 40 /** @return shared data between all instances of this coprocessor */ 41 ConcurrentMap<String, Object> getSharedData(); 42 43 }