001/* 002 * BridJ - Dynamic and blazing-fast native interop for Java. 003 * http://bridj.googlecode.com/ 004 * 005 * Copyright (c) 2010-2013, Olivier Chafik (http://ochafik.com/) 006 * All rights reserved. 007 * 008 * Redistribution and use in source and binary forms, with or without 009 * modification, are permitted provided that the following conditions are met: 010 * 011 * * Redistributions of source code must retain the above copyright 012 * notice, this list of conditions and the following disclaimer. 013 * * Redistributions in binary form must reproduce the above copyright 014 * notice, this list of conditions and the following disclaimer in the 015 * documentation and/or other materials provided with the distribution. 016 * * Neither the name of Olivier Chafik nor the 017 * names of its contributors may be used to endorse or promote products 018 * derived from this software without specific prior written permission. 019 * 020 * THIS SOFTWARE IS PROVIDED BY OLIVIER CHAFIK AND CONTRIBUTORS ``AS IS'' AND ANY 021 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 022 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 023 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY 024 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 025 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 026 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 027 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 028 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 029 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 030 */ 031package org.bridj; 032 033import java.util.Collections; 034import java.util.Iterator; 035 036/** 037 * Interface for Java enumerations that have an integral value associated 038 * 039 * @author ochafik 040 * @param <E> type of the enum 041 */ 042public interface ValuedEnum<E extends Enum<E>> extends Iterable<E> { 043 044 long value(); 045// 046// public static class EnumWrapper<EE extends Enum<EE>> implements ValuedEnum<EE> { 047// EE enumValue; 048// public EnumWrapper(EE enumValue) { 049// if (enumValue == null) 050// throw new IllegalArgumentException("Null enum value !"); 051// this.enumValue = enumValue; 052// } 053// 054// @Override 055// public long value() { 056// return enumValue.ordinal(); 057// } 058// 059// @Override 060// public Iterator<EE> iterator() { 061// return Collections.singleton(enumValue).iterator(); 062// } 063// 064// } 065// 066// public enum MyEnum implements ValuedEnum<MyEnum> { 067// A(1), B(2); 068// 069// MyEnum(long value) { this.value = value; } 070// long value; 071// @Override 072// public long value() { 073// return ordinal(); 074// } 075// 076// @Override 077// public Iterator<MyEnum> iterator() { 078// return Collections.singleton(this).iterator(); 079// } 080// 081// public static ValuedEnum<MyEnum> fromValue(long value) { 082// return FlagSet.fromValue(value, values()); 083// } 084// } 085}