| 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

classinfo, classinfo, groovyruntimeexception, metaclass, metaclassconstructorsite, metaclassconstructorsite, metaclasssite, metaclasssite, object, object, throwable

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.callsite;

import org.codehaus.groovy.reflection.ClassInfo;
import org.codehaus.groovy.runtime.ScriptBytecodeAdapter;

import groovy.lang.GroovyRuntimeException;
import groovy.lang.MetaClass;

 * Call site for constructor
 *   meta class - cached
 *   method - not cached
 * @author Alex Tkachman
public class MetaClassConstructorSite extends MetaClassSite {

    private final ClassInfo classInfo;
    private final int version;

    public MetaClassConstructorSite(CallSite site, MetaClass metaClass) {
        super(site, metaClass);
        classInfo = ClassInfo.getClassInfo(metaClass.getTheClass());
        version = classInfo.getVersion();

    public Object callConstructor(Object receiver, Object[] args) throws Throwable {
        try {
            if (receiver == metaClass.getTheClass()
                && version == classInfo.getVersion()) // metaClass still be valid
                return metaClass.invokeConstructor(args);
              return CallSiteArray.defaultCallConstructor(this, receiver, args);
        } catch (GroovyRuntimeException gre) {
            throw ScriptBytecodeAdapter.unwrap(gre);

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.