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Groovy example source code file (

This example Groovy source code file ( is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

class, class, methodkey, methodkey, object, object, string, temporarymethodkey, temporarymethodkey

The Groovy source code

 * Copyright 2003-2007 the original author or authors.
 * 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.
package org.codehaus.groovy.runtime.metaclass;

import org.codehaus.groovy.runtime.MethodKey;
import org.codehaus.groovy.runtime.MetaClassHelper;

 * A temporary implementation of MethodKey used to perform a fast lookup
 * for a method using a set of arguments to a method
 * @author <a href="">James Strachan
 * @version $Revision: 7922 $
public class TemporaryMethodKey extends MethodKey {

    private final Object[] parameterValues;

    public TemporaryMethodKey(Class sender, String name, Object[] parameterValues, boolean isCallToSuper) {
        super(sender, name, isCallToSuper);
        if (parameterValues == null) {
            parameterValues = MetaClassHelper.EMPTY_ARRAY;
        this.parameterValues = parameterValues;

    public int getParameterCount() {
        return parameterValues.length;

    public Class getParameterType(int index) {
        Object value = parameterValues[index];

        if (value != null ) {
            Class type = (Class)((value.getClass() == java.lang.Class.class) ?
                    value :
            return type;

        return Object.class;

Other Groovy examples (source code examples)

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