artifact-internal: Create an artifact DTO.

In lbartnik/repository: Object Repository for R

Description

Creates a DTO (data transfer object) that fully describes an artifact from the repository. It is the central object for external (as opposed to internal to this package) processing, printing, etc.

Usage

new_artifact(id, store)

as_artifact(tags)

artifact_assert_valid(x)

is_valid_artifact(x)

Arguments

id	artifact identifier in store.
store	Object store; see storage::object_store.
tags	list of tag values that describe an artifact; typically read with storage::os_read_tags().
x	object to be tested.

Details

Each artifact (a list) has the following attributes (names):

• id identifier in the object store; see storage::object_store

  • name original artifact name

  • names other names for the artifact

  • class one or more character values

  • parents zero or more identifiers of direct parent artifacts

  • time creation time

  • description type-specific text describing the artifact

  • expression pre-formatted expression that produced the artifact

Value

An artifact object.

lbartnik/repository documentation built on May 28, 2019, 9:50 a.m.