On 05/20/2010 07:47 AM, Albert-Jan Roskam wrote:
> Hi,
>
> Is there a built in function that returns a character vector of all
> subclasses of a given superclass? showClass(Class = "SomeClass")
> contains the info that I want, but I don't know how to access it.
Hi Albert-Jan --
Maybe
> slotNames(class(getClass("vector")))
[1] "slots" "contains" "virtual" "prototype" "validity"
[6] "access" "className" "package" "subclasses" "versionKey"
[11] "sealed"
> names(getClass("vector")@subclasses)
[1] "logical" "numeric" "character"
[4] "complex" "integer" "raw"
[7] "expression" "list" "structure"
[10] "array" "matrix" "signature"
[13] "ObjectsWithPackage" "mts" "ordered"
[16] "namedList" "listOfMethods"
Martin
> getSubClasses <- function(superClass)
> return(setdiff(getClasses(.GlobalEnv), superClass)) wíll only work if
> the global enviroment isn;t filled with other class definitions.
>
> I've seen functions that somewhat resemble it, but are not quite the
> same. Thanks in advance!
>
> Cheers!! Albert-Jan
>
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--
Martin Morgan
Computational Biology / Fred Hutchinson Cancer Research Center
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