/** * * 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.regionserver; import org.apache.hadoop.hbase.classification.InterfaceAudience; /** * Listener which will get notified regarding flush requests of regions. */ @InterfaceAudience.Private public interface FlushRequestListener { /** * Callback which will get called when a flush request is made for a region. * * @param type The type of flush. (ie. Whether a normal flush or flush because of global heap preassure) * @param region The region for which flush is requested */ void flushRequested(FlushType type, HRegion region); }