getValue {datapack} | R Documentation |
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 signature '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 |
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.
Value
A list of values for matching slot names and included identifiers.
See Also
Examples
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")
[Package datapack version 1.4.1 Index]