Bug 179737 The MeasureHandle should be able to provide data type info
We are now allow user input expression as measure expression. However this brings difficulties in determine the data type of a measure expression evaluation result. We need MeasureHandle to be enhanced to include the data type info. Please note that data type "any" is not accepted.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/writer/ModuleWriter.java
public void visitTemplateReportItem( TemplateReportItem obj )
	{
		
		boundColumnsMgr.dealTemplateReportItem( obj, getModule( ) );
		writer.startElement( DesignSchemaConstants.TEMPLATE_REPORT_ITEM_TAG );
		super.visitTemplateReportItem( obj );
		writeStructureList( obj, TemplateReportItem.VISIBILITY_PROP );
		writeUserPropertyDefns( obj );
		writeUserPropertyValues( obj );
		writer.endElement( );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.elements.ElementVisitor#visitStyle(org.eclipse.birt.report.model.elements.Style)
	 */
	public void visitStyle( Style obj )
	{
		writer.startElement( DesignSchemaConstants.STYLE_TAG );
		super.visitStyle( obj );
		writeStyleProps( obj );
		writer.endElement( );
	}
	/**
	 * Write the style properties for either a shared style, or the "private
	 * style" for a styled element.
	 * 
	 * @param obj
	 *            the styled element
	 */