getOrigin
Return the origin of the given key or null
if the origin cannot be determined.
Return
the origin of the key or null
Parameters
key
the key to lookup
Attempt to look up the origin from the given source. If the source is not a OriginLookup or if an exception occurs during lookup then null
is returned.
Return
an Origin or null
Parameters
source
the source object
key
the key to lookup
<K>
the key type