001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.activemq.broker.region.policy;
018
019/**
020 * A useful base class for implementation inheritence.
021 * 
022 * 
023 */
024public abstract class MessageEvictionStrategySupport implements MessageEvictionStrategy {
025
026    private int evictExpiredMessagesHighWatermark = 1000;
027
028    public int getEvictExpiredMessagesHighWatermark() {
029        return evictExpiredMessagesHighWatermark;
030    }
031
032    /**
033     * Sets the high water mark on which we will eagerly evict expired messages from RAM
034     */
035    public void setEvictExpiredMessagesHighWatermark(int evictExpiredMessagesHighWaterMark) {
036        this.evictExpiredMessagesHighWatermark = evictExpiredMessagesHighWaterMark;
037    }
038    
039    
040}