| career | drupal | java | mac | mysql | perl | scala | uml | unix  

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

cachedclass, cachedclosureclass, cachedclosureclass, cachedmethod, cachedmethod, class, class, classinfo, classinfo

The Groovy source code

 * Copyright 2003-2010 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.reflection.stdclasses;

import org.codehaus.groovy.reflection.CachedClass;
import org.codehaus.groovy.reflection.ClassInfo;
import org.codehaus.groovy.reflection.CachedMethod;

public class CachedClosureClass extends CachedClass {
    private final Class[] parameterTypes;
    private final int maximumNumberOfParameters;

    public CachedClosureClass(Class klazz, ClassInfo classInfo) {
        super(klazz, classInfo);

        CachedMethod methods [] = getMethods();

        // set it to -1 for starters so parameterTypes will always get a type
        int maximumNumberOfParameters = -1;
        Class[] parameterTypes = null;

        for (CachedMethod method : methods) {
            if ("doCall".equals(method.getName())) {
                final Class[] pt = method.getNativeParameterTypes();
                if (pt.length > maximumNumberOfParameters) {
                    parameterTypes = pt;
                    maximumNumberOfParameters = parameterTypes.length;
        // this line should be useless, but well, just in case
        maximumNumberOfParameters = Math.max(maximumNumberOfParameters,0);

        this.maximumNumberOfParameters = maximumNumberOfParameters;
        this.parameterTypes = parameterTypes;

    public Class[] getParameterTypes() {
        return parameterTypes;

    public int getMaximumNumberOfParameters() {
        return maximumNumberOfParameters;

Other Groovy examples (source code examples)

Here is a short list of links related to this Groovy source code file:

... this post is sponsored by my books ...

#1 New Release!

FP Best Seller


new blog posts


Copyright 1998-2021 Alvin Alexander,
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.