isVersioned: Determine whether object or class contains versioning...
In Biobase: Biobase: Base functions for Bioconductor

Description Usage Arguments Value Author(s) See Also Examples

This generic function checks to see whether Versioned-class information is present. When the argument to isVersioned is a character string, the prototype of the class corresponding to the string is consulted.

By default, isVersioned has the following behaviors:

isVersioned(Versioned-instance): Returns TRUE when the instance have version information.
isCurrent("class-name"): Returns TRUE when the named class extends Versioned-class.
isVersioned(ANY): Returns FALSE

1	isVersioned(object)

object

Object or class name to check for version information, as described above.

isVersioned returns a logical indicating whether version information is present.

Biocore team

Versions-class

obj <- new("VersionedBiobase")
isVersioned(obj)

isVersioned(1:10) # FALSE

A <- setClass("A", contains="VersionedBiobase",
         prototype=prototype(new("VersionedBiobase", versions=c(A="1.0.0"))))
a <- A()
isVersioned(a)

removeClass("A")