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 }