1 /*
2 * $Id: TemporaryMethodKey.java,v 1.3 2004/07/10 03:31:42 bran Exp $
3 *
4 * Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
5 *
6 * Redistribution and use of this software and associated documentation
7 * ("Software"), with or without modification, are permitted provided that the
8 * following conditions are met:
9 * 1. Redistributions of source code must retain copyright statements and
10 * notices. Redistributions must also contain a copy of this document.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name "groovy" must not be used to endorse or promote products
15 * derived from this Software without prior written permission of The Codehaus.
16 * For written permission, please contact info@codehaus.org.
17 * 4. Products derived from this Software may not be called "groovy" nor may
18 * "groovy" appear in their names without prior written permission of The
19 * Codehaus. "groovy" is a registered trademark of The Codehaus.
20 * 5. Due credit should be given to The Codehaus - http://groovy.codehaus.org/
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS ``AS IS'' AND ANY
23 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
25 * DISCLAIMED. IN NO EVENT SHALL THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR
26 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
32 * DAMAGE.
33 *
34 */
35 package org.codehaus.groovy.runtime;
36
37 import groovy.lang.MetaClass;
38
39 /***
40 * A temporary implementation of MethodKey used to perform a fast lookup
41 * for a method using a set of arguments to a method
42 *
43 * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
44 * @version $Revision: 1.3 $
45 */
46 public class TemporaryMethodKey extends MethodKey {
47
48 private Object[] parameterValues;
49
50 public TemporaryMethodKey(String name, Object[] parameterValues) {
51 super(name);
52 if (parameterValues == null) {
53 parameterValues = MetaClass.EMPTY_ARRAY;
54 }
55 this.parameterValues = parameterValues;
56 }
57
58 public int getParameterCount() {
59 return parameterValues.length;
60 }
61
62 public Class getParameterType(int index) {
63 Object value = parameterValues[index];
64
65 if (value != null ) {
66 Class type = (Class)((value.getClass() == java.lang.Class.class) ?
67 value :
68 value.getClass());
69 return type;
70 }
71
72 return Object.class;
73 }
74 }