/*************************************************************************
 * 
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 * 
 * Copyright 2002 - 2007 Adobe Systems Incorporated All Rights Reserved.
 * 
 * NOTICE: All information contained herein is, and remains the property of Adobe Systems Incorporated and its suppliers, if any. The intellectual and technical concepts contained herein are
 * proprietary to Adobe Systems Incorporated and its suppliers and may be covered by U.S. and Foreign Patents, patents in process, and are protected by trade secret or copyright law. Dissemination of
 * this information or reproduction of this material is strictly forbidden unless prior written permission is obtained from Adobe Systems Incorporated.
 **************************************************************************/
package flex.messaging.util;

import java.util.Arrays;

/**
 * Utility class used as a key into collections of Remote Object methods. The key consists of the Remote Object class containing this method, the method name, and the classes representing the
 * parameters in the signature of this method.
 * 
 * @exclude
 */
public class MethodKey
{
    private Class enclosingClass;
    private String methodName;
    private Class[] parameterTypes;

    /**
     * Constructor.
     * 
     * @param enclosingClass
     *            remote Ooject class containing this method
     * @param methodName
     *            method name
     * @param parameterTypes
     *            classes representing the parameters in the signature of this method
     */
    public MethodKey(Class enclosingClass, String methodName, Class[] parameterTypes)
    {
        this.enclosingClass = enclosingClass;
        this.methodName = methodName;
        this.parameterTypes = parameterTypes;
    }

    /** {@inheritDoc} */
    @Override
    public boolean equals(Object object)
    {
        boolean result;
        if (this == object)
        {
            result = true;
        }
        else if (object instanceof MethodKey)
        {
            MethodKey other = (MethodKey) object;
            result = other.methodName.equals(this.methodName) && other.parameterTypes.length == this.parameterTypes.length && other.enclosingClass == this.enclosingClass && Arrays.equals(other.parameterTypes, this.parameterTypes);
        }
        else
        {
            result = false;
        }
        return result;
    }

    /** {@inheritDoc} */
    @Override
    public int hashCode()
    {
        // Don't consider parameter types in hashcode to speed up
        // calculation.
        return enclosingClass.hashCode() * 10003 + methodName.hashCode();
    }
}