Groovy example source code file (MixinInstanceMetaMethod.java)

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

Java - Groovy tags/keywords

cachedclass, class, class, metamethod, mixininmetaclass, mixininmetaclass, mixininstancemetamethod, mixininstancemetamethod, object, object, string

The Groovy MixinInstanceMetaMethod.java 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
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.codehaus.groovy.runtime.metaclass;

import groovy.lang.MetaMethod;
import org.codehaus.groovy.reflection.MixinInMetaClass;
import org.codehaus.groovy.reflection.CachedClass;

/**
 * MetaMethod for mixed in classes
 */
public class MixinInstanceMetaMethod extends MetaMethod{
    private final MetaMethod method;
    private final MixinInMetaClass mixinInMetaClass;

    public MixinInstanceMetaMethod(MetaMethod method, MixinInMetaClass mixinInMetaClass) {
        this.method = method;
        this.mixinInMetaClass = mixinInMetaClass;
    }

    public int getModifiers() {
        return method.getModifiers();
    }

    public String getName() {
        return method.getName();
    }

    public Class getReturnType() {
        return method.getReturnType();
    }

    public CachedClass getDeclaringClass() {
        return mixinInMetaClass.getInstanceClass();
    }

    public Object invoke(Object object, Object[] arguments) {
        // make sure parameterTypes gets set
        method.getParameterTypes();
        return method.invoke(mixinInMetaClass.getMixinInstance(object), method.correctArguments(arguments));
    }

    protected Class[] getPT() {
        return method.getNativeParameterTypes();
    }
}