001 /* 002 * JBoss, Home of Professional Open Source. 003 * Copyright 2008, Red Hat Middleware LLC, and individual contributors 004 * as indicated by the @author tags. See the copyright.txt file in the 005 * distribution for a full listing of individual contributors. 006 * 007 * This is free software; you can redistribute it and/or modify it 008 * under the terms of the GNU Lesser General Public License as 009 * published by the Free Software Foundation; either version 2.1 of 010 * the License, or (at your option) any later version. 011 * 012 * This software is distributed in the hope that it will be useful, 013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 015 * Lesser General Public License for more details. 016 * 017 * You should have received a copy of the GNU Lesser General Public 018 * License along with this software; if not, write to the Free 019 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 020 * 02110-1301 USA, or see the FSF site: http://www.fsf.org. 021 */ 022 package org.jboss.dna.graph.cache; 023 024 /** 025 * @author Randall Hauch 026 */ 027 public class ImmutableCachePolicy implements CachePolicy { 028 029 private static final long serialVersionUID = 1L; 030 private final long timeToCache; 031 032 public ImmutableCachePolicy( long timeToCache ) { 033 this.timeToCache = timeToCache; 034 } 035 036 /** 037 * {@inheritDoc} 038 * 039 * @see org.jboss.dna.graph.cache.CachePolicy#getTimeToLive() 040 */ 041 public long getTimeToLive() { 042 return this.timeToCache; 043 } 044 045 public CachePolicy getUnmodifiable() { 046 return this; 047 } 048 049 }