| 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

class, class, groovyobject, metaclass, metaclass, object, object, wrapper, wrapper

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.runtime.wrappers;

import groovy.lang.GroovyObject;
import groovy.lang.MetaClass;

 * @author John Wilson
public abstract class Wrapper implements GroovyObject {
    protected final Class constrainedType;

    public Wrapper(final Class constrainedType) {
        this.constrainedType = constrainedType;

    /* (non-Javadoc)
    * @see groovy.lang.GroovyObject#getMetaClass()
    public MetaClass getMetaClass() {
        return getDelegatedMetaClass();

    public Class getType() {
        return this.constrainedType;

    public abstract Object unwrap();

    protected abstract Object getWrapped();

    protected abstract MetaClass getDelegatedMetaClass();

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.