datapack (version 1.4.1)

getValue: Get values for selected DataPackage members.

Description

Given a slot name and set of package member identifiers, return slot values.

Usage

getValue(x, ...)
# S4 method for DataPackage
getValue(x, name, identifiers = NA_character_)

Arguments

x

A DataPackage instance

...

(Not yet used)

name

A name of a DataObject slot.

identifiers

A list of DataPackage member identifiers

Value

A list of values for matching slot names and included identifiers.

Details

If the parameter identifiers is provided, then only the DataPackage members that have identifiers in the provided list will have there values fetched. If this parameter is not provided, then the values for all DataPackage members are returned.

See Also

DataPackage-class

Examples

# NOT RUN {
dp <- new("DataPackage")
data <- charToRaw("1,2,3\n4,5,6")
do <- new("DataObject", id="myNewId", dataobj=data, format="text/csv", user="jsmith")
dp <- addMember(dp, do)
data <- charToRaw("7,8.9\n4,10,11")
do <- new("DataObject", id="myNewId2", dataobj=data, format="text/csv", user="jsmith")
dp <- addMember(dp, do)
formats <- getValue(dp, name="sysmeta@formatId")
# }