Counts all elements contained in the specified element map.
Notes:
GOMElement
type and associated with different keys. However, it will be counted only once.
GOMElement.id
).
Two different instances of GOMElement
type, e.g.
element1
and element1
,
represent the same element when
element1.id == element2.id
elementMapId
The object which identifies the element map.Returns:
The number of unique elements contained in the map.
See Also:
getMappedElements(), checkElementMap()