defaultmethodkey.java

来自「Groovy动态语言 运行在JVM中的动态语言 可以方便的处理业务逻辑变化大的业」· Java 代码 · 共 62 行

/*
 * $Id: DefaultMethodKey.java 4661 2007-01-02 16:52:26Z blackdrag $
 *
 * Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
 *
 * Redistribution and use of this software and associated documentation
 * ("Software"), with or without modification, are permitted provided that the
 * following conditions are met:
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 * notices. Redistributions must also contain a copy of this document.
 *  2. Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
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 *  3. The name "groovy" must not be used to endorse or promote products
 * derived from this Software without prior written permission of The Codehaus.
 * For written permission, please contact [e-mail].
 *  4. Products derived from this Software may not be called "groovy" nor may
 * "groovy" appear in their names without prior written permission of The
 * Codehaus. "groovy" is a registered trademark of The Codehaus.
 *  5. Due credit should be given to The Codehaus - http://groovy.codehaus.org/
 *
 * THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR
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package org.codehaus.groovy.runtime;

/**
 * A default implementation of MethodKey
 * 
 * @author <a href="mailto:[e-mail]">James Strachan</a>
 * @version $Revision: 4661 $
 */
public class DefaultMethodKey extends MethodKey{

    private Class[] parameterTypes;

    public DefaultMethodKey(Class sender, String name, Class[] parameterTypes, boolean isCallToSuper) {
        super(sender, name,isCallToSuper);
        this.parameterTypes = parameterTypes;
    }

    public int getParameterCount() {
        return parameterTypes.length;
    }

    public Class getParameterType(int index) {
        Class c = parameterTypes[index];
        if (c==null) return Object.class;
        return c;
    }
}