/* * JBoss, Home of Professional Open Source * Copyright 2011, Red Hat, Inc. and/or its affiliates, and individual * contributors by the @authors tag. See the copyright.txt in the * distribution for a full listing of individual contributors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * http://www.apache.org/licenses/LICENSE-2.0 * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.jboss.solder.util; /** * A Sortable class is given a precedence which is used to decide it's relative * order * * @author Pete Muir */ public interface Sortable { /** * A comparator which can order Sortables * * @author Pete Muir */ public class Comparator implements java.util.Comparator<Sortable> { public int compare(Sortable arg1, Sortable arg2) { return -1 * Integer.valueOf(arg1.getPrecedence()).compareTo(Integer.valueOf(arg2.getPrecedence())); } } /** * An integer precedence value that indicates how favorable the * implementation considers itself amongst alternatives. A higher value is a * higher precedence. If two implementations have the save precedence, the * order is undetermined. */ public int getPrecedence(); }