Bug 179674 Support time dimension in model
When define time dimension in model, the "itTime" property will be set. However this is not enough. We also need to know to what precision the time value should be evaluated, say, year, month, day, etc. Model needs to be enhanced to support such requirement.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/writer/ModuleWriter.java
*            the optional list tag that encloses the list of contents
	 */
	private void writeContents( ContainerContext containerInfor, String tag )
	{
		assert containerInfor != null;
		List list = containerInfor.getContents( getModule( ) );
		if ( list.isEmpty( ) )
			return;
		
		if ( containerInfor.getElement( ).getExtendsElement( ) != null )
			return;
		if ( tag != null )
			writer.conditionalStartElement( tag );
		 
		writer.attribute( DesignSchemaConstants.NAME_ATTRIB, containerInfor
				.getPropertyName( ) );
		
		
		
		Iterator iter = list.iterator( );
		while ( iter.hasNext( ) )
		{
			( (DesignElement) iter.next( ) ).apply( this );
		}
		if ( tag != null )
			writer.endElement( );
	}
	/**
	 * Writes the contents of a slot. The contents are enclosed in an optional
	 * list tag.