001    /** 
002     * 
003     * Copyright 2004 Protique Ltd
004     * 
005     * Licensed under the Apache License, Version 2.0 (the "License"); 
006     * you may not use this file except in compliance with the License. 
007     * 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     **/
018    package org.activemq.service.impl;
019    
020    import org.activemq.service.QueueListEntry;
021    
022    /**
023     * Linked list entry class
024     */
025    public final class DefaultQueueListEntry implements QueueListEntry {
026        Object element;
027        DefaultQueueListEntry next;
028        DefaultQueueListEntry previous;
029    
030        /**
031         * Get the Object value for this entry
032         *
033         * @return
034         */
035        public Object getElement() {
036            return element;
037        }
038    
039        /**
040         * Create a DefaultQueueListEntry for an object value
041         *
042         * @param element  the value
043         * @param next
044         * @param previous
045         */
046        DefaultQueueListEntry(Object element, DefaultQueueListEntry next, DefaultQueueListEntry previous) {
047            this.element = element;
048            this.next = next;
049            this.previous = previous;
050        }
051    }