001 /* 002 * $Id: TemporaryMethodKey.java,v 1.3 2004/07/10 03:31:42 bran Exp $ 003 * 004 * Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved. 005 * 006 * Redistribution and use of this software and associated documentation 007 * ("Software"), with or without modification, are permitted provided that the 008 * following conditions are met: 009 * 1. Redistributions of source code must retain copyright statements and 010 * notices. Redistributions must also contain a copy of this document. 011 * 2. Redistributions in binary form must reproduce the above copyright 012 * notice, this list of conditions and the following disclaimer in the 013 * documentation and/or other materials provided with the distribution. 014 * 3. The name "groovy" must not be used to endorse or promote products 015 * derived from this Software without prior written permission of The Codehaus. 016 * For written permission, please contact info@codehaus.org. 017 * 4. Products derived from this Software may not be called "groovy" nor may 018 * "groovy" appear in their names without prior written permission of The 019 * Codehaus. "groovy" is a registered trademark of The Codehaus. 020 * 5. Due credit should be given to The Codehaus - http://groovy.codehaus.org/ 021 * 022 * THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS ``AS IS'' AND ANY 023 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 024 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 025 * DISCLAIMED. IN NO EVENT SHALL THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR 026 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 027 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 028 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 029 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 030 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 031 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 032 * DAMAGE. 033 * 034 */ 035 package org.codehaus.groovy.runtime; 036 037 import groovy.lang.MetaClass; 038 039 /** 040 * A temporary implementation of MethodKey used to perform a fast lookup 041 * for a method using a set of arguments to a method 042 * 043 * @author <a href="mailto:james@coredevelopers.net">James Strachan</a> 044 * @version $Revision: 1.3 $ 045 */ 046 public class TemporaryMethodKey extends MethodKey { 047 048 private Object[] parameterValues; 049 050 public TemporaryMethodKey(String name, Object[] parameterValues) { 051 super(name); 052 if (parameterValues == null) { 053 parameterValues = MetaClass.EMPTY_ARRAY; 054 } 055 this.parameterValues = parameterValues; 056 } 057 058 public int getParameterCount() { 059 return parameterValues.length; 060 } 061 062 public Class getParameterType(int index) { 063 Object value = parameterValues[index]; 064 065 if (value != null ) { 066 Class type = (Class)((value.getClass() == java.lang.Class.class) ? 067 value : 068 value.getClass()); 069 return type; 070 } 071 072 return Object.class; 073 } 074 }