classVersion {Biobase} | R Documentation |
Retrieve information about versioned classes
Description
These generic functions return version information for classes
derived from Versioned-class
, or
VersionsNull-class
for unversioned objects. The
version information is an object of Versions-class
.
By default, classVersion
has the following behaviors:
classVersion(Versioned-instance)
Returns a
Versions-class
object obtained from the object.classVersion{"class"}
Consults the definition of
class
and return the current version information, if available.classVersion(ANY)
Return a
VersionsNull-class
object to indicate no version information available.
By default, the classVersion<-
method has the following behavior:
classVersion(Versioned-instance)["id"] <- value
Assign (update or add)
value
toVersions-instance
.value
is coerced to a valid version description. seeVersions-class
for additional access methods.
Usage
classVersion(object)
classVersion(object) <- value
Arguments
object |
Object whose version is to be determined, as described above. |
value |
|
Value
classVersion
returns an instance of Versions-class
Author(s)
Biocore team
See Also
Examples
obj <- new("VersionedBiobase")
classVersion(obj)
classVersion(obj)["Biobase"]
classVersion(1:10) # no version
classVersion("ExpressionSet") # consult ExpressionSet prototype
classVersion(obj)["MyVersion"] <- "1.0.0"
classVersion(obj)