KeyValueDataStore

Generalization is InformationObject.

Superclass hierarchy

Definition

Organized collection of key-value data.

Examples

A unit key-value datastore where each instance key corresponds to a data point capturing a different characteristic of a unit.

Explanatory notes

A key-value datastore is just a collection of key-value pairs, i.e. instance keys and reference values. Each instance key encodes all relevant information about the context, the unit of interest and the variable associated with the reference value of a given data point.


Subclasses


Inherited Properties

Name

Description

Data Type

Multi- plicity

agency

Agency expressed as filed with the DDI Agency ID registry [registry.ddialliance.org] with optional additional sub-agency extensions.

:ref:``

1..1

id

ID conforming to the allowed structure of the DDI Identifier and must be unique within the Agency.

:ref:``

1..1

isPersistent

Default value is false indicating that the content of the current version may change (may be in development mode). Set to true when the content of this version will no longer change.

:ref:``

1..1

isUniversallyUnique

Default value is false. If the id of the object was created as a Universally Unique ID (UUID) set to true.

:ref:``

1..1

localId

Locally used identifier unique with a specified context, such as a variable name within a dataset.

LocalIdFormat

0..*

version

Version number of the object.

:ref:``

1..1

versionDate

Date and time the object was changed expressed in standard ISO formats.

XSDdate

0..1

versionRationale

Reason for making a new version of the object.

RationaleDefinition

0..1

versionResponsibility

Contributor who has the ownership and responsibility for the current version.

:ref:``

0..1

Associations

Multiplicity

Association

Navigable Class

Multiplicity

0..*

KeyValueDataStore_isStructuredBy_KeyValueStructure

KeyValueStructure

0..*

0..*

KeyValueDataStore_has_DataPoint

KeyValueDataStore

0..1

0..*

KeyValueDataStore_has_InstanceKey

KeyValueDataStore

1..1

TBD

Diagram

TBD