frameworks/projects/framework/src/mx/utils/DescribeTypeCacheRecord.as

////////////////////////////////////////////////////////////////////////////////
//
//  Licensed to the Apache Software Foundation (ASF) under one or more
//  contributor license agreements.  See the NOTICE file distributed with
//  this work for additional information regarding copyright ownership.
//  The ASF licenses this file to You 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 mx.utils 
{

import flash.utils.Proxy;
import flash.utils.flash_proxy;

use namespace flash_proxy;

[ExcludeClass]

/**
 *  @private
 *  This class represents a single cache entry, this gets created
 *  as part of the <code>describeType</code> method call on the 
 *  <code>DescribeTypeCache</code>  class.
 */

public dynamic class DescribeTypeCacheRecord extends Proxy
{
    //--------------------------------------------------------------------------
    //
    //  Class variables
    //
    //--------------------------------------------------------------------------

    /**
     *  @private
     */
    private var cache:Object = {};
    
    //--------------------------------------------------------------------------
    //
    //  Class properties
    //
    //--------------------------------------------------------------------------

    //----------------------------------
    //  typeDescription
    //----------------------------------

    /**
     *  @private
     */
    public var typeDescription:XML;
    
    //----------------------------------
    //  typeName
    //----------------------------------

    /**
     *  @private
     */
    public var typeName:String;

    //--------------------------------------------------------------------------
    //
    //  Constructor
    //
    //--------------------------------------------------------------------------

    /**
     *  @private
     */
    public function DescribeTypeCacheRecord()
    {
        super();
    }

    //--------------------------------------------------------------------------
    //
    //  Overridden methods
    //
    //--------------------------------------------------------------------------

    /**
     *  @private
     */
    override flash_proxy function getProperty(name:*):*
    {
        var result:* = cache[name];
        
        if (result === undefined)
        {
            result = DescribeTypeCache.extractValue(name, this);
            cache[name] = result;
        }
        
        return result;
    }

    /**
     *  @private
     */
    override flash_proxy function hasProperty(name:*):Boolean
    {
        if (name in cache)
            return true;
        
        var value:* = DescribeTypeCache.extractValue(name, this);       
        
        if (value === undefined)
            return false;
        
        cache[name] = value;
        
        return true;
    }
}

}