implication.java

低版本的tomcat 对于有些老版本的应用还真的需要老版的中间件

/*
 * $Header: /home/cvs/jakarta-tomcat/src/share/org/apache/tomcat/util/pattern/Attic/Implication.java,v 1.1 1999/11/27 21:45:39 harishp Exp $
 * $Revision: 1.1 $
 * $Date: 1999/11/27 21:45:39 $
 *
 * ====================================================================
 *
 * The Apache Software License, Version 1.1
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 * Copyright (c) 1999 The Apache Software Foundation.  All rights 
 * reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * 1. Redistributions of source code must retain the above copyright
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 * 3. The end-user documentation included with the redistribution, if
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 *       "This product includes software developed by the 
 *        Apache Software Foundation (http://www.apache.org/)."
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package org.apache.tomcat.util.pattern;

/**
 * This interface should be implemented by the objects that allow for
 * implies test. implies is not same as equality or comparator tests.
 * In fact equality test is a special form of implies test (when
 * a => b and b => a). In other words, implies is a subset test. 
 * <BR>
 * This test is useful when doing pattern matching: For example,
 *
 * /foo/bar => /foo/*
 * /foo/bar => /*
 * /foo/bar => /foo/bar etc...
 *
 * @author Harish Prabandham
 */

public interface Implication {
    /**
     * Implementation of this method should check if the current object
     * implies the given object.
     * @return true if this object implies given object. false otherwise
     */
    public boolean implies(Object obj);
}