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     */
017    package org.apache.activemq.broker.region.policy;
018    
019    /**
020     * A useful base class for implementation inheritence.
021     * 
022     * 
023     */
024    public 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    }