/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.hadoop.hbase.coprocessor; import org.apache.hadoop.hbase.regionserver.InternalScanner; import org.apache.hadoop.hbase.regionserver.ScanType; import org.apache.hadoop.hbase.regionserver.Store; import org.apache.hadoop.hbase.regionserver.compactions.CompactionLifeCycleTracker; import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest; import java.io.IOException; import java.util.Optional; public abstract class BaseRegionObserver implements RegionObserver, RegionCoprocessor { public InternalScanner preCompact(ObserverContext<RegionCoprocessorEnvironment> c, Store store, InternalScanner scanner, ScanType scanType, CompactionLifeCycleTracker tracker, CompactionRequest request) throws IOException { return preCompact(c,store,scanner,scanType,request); } public InternalScanner preCompact(ObserverContext<RegionCoprocessorEnvironment> env, Store store, InternalScanner scanner, ScanType scanType, CompactionRequest request) throws IOException { return scanner; } @Override public Optional getRegionObserver() { return Optional.of(this); } }