Bug 196894 BIRT Cross tab, Cube - Time dimension enhancements
There were a couple of time dimension related enhancments planned post BIRT 2.2. This entry is to track those. This enhancments also includes - supporting additional predefined data time formats, that could make it easier to define data time dimension and use it in data items.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/olap/LevelHandle.java
/**
	 * Constructs a handle for the given design and design element. The
	 * application generally does not create handles directly. Instead, it uses
	 * one of the navigation methods available on other element handles.
	 * 
	 * @param module
	 *            the module
	 * @param element
	 *            the model representation of the element
	 */
	public LevelHandle( Module module, DesignElement element )
	{
		super( module, element );
	}
	/**
	 * Returns the iterator of attributes. The element in the iterator is a
	 * <code>LevelAttributeHandle</code> for TabularLevel. To OdaLevel, each
	 * member is <code>OdaLevelAttributeHandle</code>.
	 * 
	 * @return the iterator of attribute string list
	 */
	public Iterator attributesIterator( )
	{
		PropertyHandle propHandle = getPropertyHandle( ATTRIBUTES_PROP );
		assert propHandle != null;
		return propHandle.iterator( );
	}
	/**
	 * Returns the iterator of static values. The element in the iterator is
	 * instanceof <code>RuleHandle</code>.