Bug 118592 Report error
please see attached design file.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/executor/cache/ResultObjectUtil.java
* @param rsMetaData
	 * @throws DataException
	 */
	static ResultObjectUtil newInstance( IResultClass rsMetaData )
	{
		ResultObjectUtil instance = new ResultObjectUtil( );
		int length = rsMetaData.getFieldCount( );
		instance.typeArray = new Class[length];
		for ( int i = 0; i < length; i++ )
		{
			try
			{
				instance.typeArray[i] = rsMetaData.getFieldValueClass( i + 1 );
			}
			catch ( DataException e )
			{
				
			}
		}
		instance.columnCount = rsMetaData.getFieldCount( );
		instance.rsMetaData = rsMetaData;
		
		return instance;
	}
	/**
	 * Contruction, private 
	 */
	private ResultObjectUtil( )
	{
	}