KeyValueDataStore¶
Generalization is InformationObject.
Superclass hierarchy
InformationObject
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
from Identifiable
|
Agency expressed as filed with the DDI Agency ID registry [registry.ddialliance.org] with optional additional sub-agency extensions. |
:ref:`` |
1..1 |
id
from Identifiable
|
ID conforming to the allowed structure of the DDI Identifier and must be unique within the Agency. |
:ref:`` |
1..1 |
isPersistent
from Identifiable
|
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
from Identifiable
|
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
from Identifiable
|
Locally used identifier unique with a specified context, such as a variable name within a dataset. |
0..* |
|
version
from Identifiable
|
Version number of the object. |
:ref:`` |
1..1 |
versionDate
from Identifiable
|
Date and time the object was changed expressed in standard ISO formats. |
0..1 |
|
versionRationale
from Identifiable
|
Reason for making a new version of the object. |
0..1 |
|
versionResponsibility
from Identifiable
|
Contributor who has the ownership and responsibility for the current version. |
:ref:`` |
0..1 |
Associations¶
Multiplicity |
Association |
Navigable Class |
Multiplicity |
---|---|---|---|
0..* |
KeyValueDataStore_isStructuredBy_KeyValueStructure |
0..* |
|
0..* |
KeyValueDataStore_has_DataPoint |
0..1 |
|
0..* |
KeyValueDataStore_has_InstanceKey |
1..1 |
TBD
Diagram¶
TBD