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1		-12 Constraints

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1		-Methodology.SDMX 3\.0 Standards\. Section 2\. Information model\: UML conceptual design.WebHome

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1		-{{box title="**Contents**"}}
2		-{{toc/}}
3		-{{/box}}
4		-
5		-== 12.1 Scope ==
6		-
7		-The scope of this section is to describe the support in the metamodel for specifying both the access to and the content of a [[data source>>doc:xwiki:Glossary.Data source.WebHome]]. The information may be stored in a resource such as a registry for use by applications wishing to locate data and metadata which are available via the Internet. The (% style="color:#2ecc71" %)//Constraint//(%%) is also used to specify a subset of a Codelist which may be used as a partial Codelist, relevant in the context of the [[artefact>>doc:xwiki:Glossary.Artefact.WebHome]] to which the (% style="color:#2ecc71" %)//Constraint//(%%) is attached e.g., DataStructureDefinition, [[Dataflow>>doc:xwiki:Glossary.Dataflow.WebHome]], ProvisionAgreement, MetadataStructureDefinition, [[Metadataflow>>doc:xwiki:Glossary.Metadataflow.WebHome]], MetadataProvisionAgreement.
8		-
9		-Note that in this metamodel the term [[data source>>doc:xwiki:Glossary.Data source.WebHome]] refers to both data and metadata sources, and [[data provider>>doc:xwiki:Glossary.Data provider.WebHome]] refers to both data and metadata providers.
10		-
11		-A [[data source>>doc:xwiki:Glossary.Data source.WebHome]] may be a simple file of data or metadata (in [[SDMX-ML>>doc:xwiki:Glossary.SDMX-ML.WebHome]], JSON or other format), or a database or [[metadata repository>>doc:xwiki:Glossary.Metadata repository.WebHome]]. A [[data source>>doc:xwiki:Glossary.Data source.WebHome]] may contain data for many data or [[metadata flows>>doc:xwiki:Glossary.Metadataflow.WebHome]] (called [[Dataflow>>doc:xwiki:Glossary.Dataflow.WebHome]], and [[Metadataflow>>doc:xwiki:Glossary.Metadataflow.WebHome]] in the model), and the mechanisms described in this section allow an organisation to specify precisely the scope of the content of the [[data source>>doc:xwiki:Glossary.Data source.WebHome]] where this [[data source>>doc:xwiki:Glossary.Data source.WebHome]] is registered (SimpleDataSource, //QueryDataSource//).
12		-
13		-The [[Dataflow>>doc:xwiki:Glossary.Dataflow.WebHome]] and [[Metadataflow>>doc:xwiki:Glossary.Metadataflow.WebHome]], themselves may be specified as containing only a subset of all the possible keys that could be derived from a DataStructureDefinition or MetadataStructureDefinition. Respectively, further subsets may be defined within a ProvisionAgreement and MetadataProvisionAgreement.
14		-
15		-These specifications are called (% style="color:#2ecc71" %)//Constraint//(%%) in this model.
16		-
17		-== 12.2 Inheritance ==
18		-
19		-=== 12.2.1 Class Diagram of Constrainable Artefacts - Inheritance ===
20		-
21		-[[image:SDMX 3-0-0 SECTION 2 FINAL-1.0 (1)_en_e601fbfd.jpg||height="230" width="622"]]
22		-
23		-**Figure 41: Inheritance class diagram of constrainable and provisioning artefacts**
24		-
25		-=== 12.2.2 Explanation of the Diagram ===
26		-
27		-==== 12.2.2.1 Narrative ====
28		-
29		-Any [[artefact>>doc:xwiki:Glossary.Artefact.WebHome]] that inherits from the //ConstrainableArtefact// interface can have (% style="color:#2ecc71" %)constraints(%%) defined. The [[artefacts>>doc:xwiki:Glossary.Artefact.WebHome]] that can have (% style="color:#2ecc71" %)constraint(%%) metadata attached are:
30		-
31		-Dataflow
32		-ProvisionAgreement
33		-DataProvider – this is restricted to release calendar
34		-DataStructureDefinition
35		-Metadataflow
36		-MetaDataProvider – this is restricted to release calendar
37		-MetadataProvisionAgreement
38		-MetadataSetMetadataStructureDefinition
39		-SimpleDataSource – this is a registered [[data source>>doc:xwiki:Glossary.Data source.WebHome]] where the registration references the actual [[Data Set>>doc:xwiki:Glossary.Data set.WebHome]] or Metadata Set
40		-//QueryDataSource//
41		-
42		-Note that, because the (% style="color:#2ecc71" %)//Constraint//(%%) can specify a subset of the [[component>>doc:xwiki:Glossary.Component.WebHome]] values implied by a specific //Structure// (such as a specific DataStructureDefinition or specific MetadataStructureDefinition), the //ConstrainableArtefact//s must be associated with a specific //Structure//. Therefore, whilst the (% style="color:#2ecc71" %)//Constraint//(%%) itself may not be linked directly to a DataStructureDefinition or MetadataStructureDefinition, the [[artefact>>doc:xwiki:Glossary.Artefact.WebHome]] that it is constraining will be linked to a DataStructureDefinition or MetadataStructureDefinition. As a DataProvider or a MetadataProvider does not link to any one specific [[DSD>>doc:xwiki:Glossary.Data structure definition.WebHome]] or [[MSD>>doc:xwiki:Glossary.Metadata structure definition.WebHome]] the type of information that can be contained in a (% style="color:#2ecc71" %)Constraint(%%) linked to a DataProvider/MetadataProvider is restricted to ReleaseCalendar.
43		-
44		-== 12.3 Constraints ==
45		-
46		-=== 12.3.1 Relationship Class Diagram – high level view ===
47		-
48		-[[image:SDMX 3-0-0 SECTION 2 FINAL-1.0 (1)_en_24db726f.jpg||height="332" width="610"]]
49		-
50		-**Figure 42: Relationship class diagram showing constraint metadata**
51		-
52		-=== 12.3.2 Explanation of the Diagram ===
53		-
54		-==== 12.3.2.1 Narrative ====
55		-
56		-The (% style="color:#2ecc71" %)constraint(%%) mechanism allows specific (% style="color:#2ecc71" %)constraints(%%) to be attached to a //ConstrainableArtefact//. With the exception of ReleaseCalendar these (% style="color:#2ecc71" %)constraints(%%) specify a subset of the total set of values or keys that may be present in any of the //ConstrainableArtefacts//.
57		-
58		-For instance, a DataStructureDefinition specifies, for each [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]], the list of allowable [[code>>doc:xwiki:Glossary.Code.WebHome]] values. However, a specific [[Dataflow>>doc:xwiki:Glossary.Dataflow.WebHome]] that uses the DataStructureDefinition may contain only a subset of the possible range of keys that is theoretically possible from the DataStructureDefinition definition (the total range of possibilities is sometimes called the Cartesian product of the [[dimension>>doc:xwiki:Glossary.Dimension.WebHome]] values). In addition to this, a DataProvider that is capable of supplying data according to the [[Dataflow>>doc:xwiki:Glossary.Dataflow.WebHome]] has a ProvisionAgreement, and the DataProvider may also wish to supply (% style="color:#2ecc71" %)constraint(%%) information which may further constrain the range of possibilities in order to describe the data that the provider can supply. It may also be useful to describe the content of a [[data source>>doc:xwiki:Glossary.Data source.WebHome]] in terms of the KeySets or CubeRegions contained within it.
59		-
60		-A //ConstrainableArtefact// can have two types of (% style="color:#2ecc71" %)//Constraint//(%%)s:
61		-
62		-1. DataConstraint – is used as a mechanism to specify, either the available set of keys (DataKeySet), or set of [[component>>doc:xwiki:Glossary.Component.WebHome]] values (CubeRegion) in a //DataSource// such as a Simpledatasource or a database (//QueryDatasource//), or the allowable keys that can be constructed from a DataStructureDefinition. Multiple such DataConstraints may be present for a //ConstrainableArtefact//. For instance, there may be a DataConstraint that specifies the values allowed for the //ConstrainableArtefact //(role is allowableContent) which can be used for validation or for constructing a partial [[code list>>doc:xwiki:Glossary.Code list.WebHome]] for one [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]], while another provides the validation for another [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] within the same DSD.
63		-1. MetadataConstraint – is used as a mechanism to specify a set of [[component>>doc:xwiki:Glossary.Component.WebHome]] values (MetadatTargetRegion) in a //DataSource// such as a MetadataSet or a database (//QueryDatasource//). Multiple such MetadataConstraints may be present for a //ConstrainableArtefact//. For instance, there may be a MetadataConstraint that specifies the values allowed for the //ConstrainableArtefact //(role is allowableContent) which can be used for validation or for constructing a partial [[code list>>doc:xwiki:Glossary.Code list.WebHome]], whilst another MetadataConstraint can specify the actual content of a metadata source (role is actualContent).
64		-
65		-In addition to DataKeySet and/or CubeRegion/MetadataTargetRegion a (% style="color:#2ecc71" %)Constraint(%%) can have a ReleaseCalendar specifying when data or metadata are released for publication or reporting.
66		-
67		-Note also that another possible type of a DataConstraint is available; that is a DataConstraint with the role of actualContent where it describes the data that an [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] Web Service contains. This type of DataConstraint is not maintained in a Registry and is always a response to the data availability [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] REST API. Thus, its identification is autogenerated by the service responding to a data availability request.
68		-
69		-=== 12.3.3 Relationship Class Diagram – Detail ===
70		-
71		-[[image:SDMX 3-0-0 SECTION 2 FINAL-1.0 (1)_en_d166f6ab.jpg||height="708" width="619"]]
72		-
73		-**Figure 43: Constraints – Key Set, Cube Region and Metadata Target Region**
74		-
75		-==== 12.3.3.1 Explanation of the Diagram ====
76		-
77		-A (% style="color:#2ecc71" %)//Constraint//(%%) is a //MaintainableArtefact//.
78		-
79		-A DataConstraint has a choice of two ways of specifying value subsets:
80		-
81		-1. As a set of keys that can be present in the //[[DataSet>>doc:xwiki:Glossary.Data set.WebHome]]// (DataKeySet). Each DataKey specifies a number of ComponentValues each of which reference a //[[Component>>doc:xwiki:Glossary.Component.WebHome]]// (e.g., [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]], DataAttribute). Each ComponentValue is a value that may be present for a //[[Component>>doc:xwiki:Glossary.Component.WebHome]]// of a structure when contained in a //[[DataSet>>doc:xwiki:Glossary.Data set.WebHome]]//. In addition, each DataKeySet may also include MemberSelections for AttributeComponents or [[Measures>>doc:xwiki:Glossary.Measure.WebHome]].
82		-1. As a set of CubeRegions each of which defines a “slice” of the total structure (MemberSelection) in terms of one or more MemberValues that may be present for a //[[Component>>doc:xwiki:Glossary.Component.WebHome]]// of a structure when contained in a //[[DataSet>>doc:xwiki:Glossary.Data set.WebHome]]//.
83		-
84		-The difference between (1) and (2) above is that in (1) a complete key is defined whereas in (2) above the “slice” defines a list of possible values for each of the// [[Component>>doc:xwiki:Glossary.Component.WebHome]]//s but does not specify specific key combinations. In addition, in (1) the association between //[[Component>>doc:xwiki:Glossary.Component.WebHome]]// and DataKeyValue is constrained to the [[components>>doc:xwiki:Glossary.Component.WebHome]] that comprise the key, whereas in (2) it can contain other [[component>>doc:xwiki:Glossary.Component.WebHome]] types (such as AttributeComponents or [[Measures>>doc:xwiki:Glossary.Measure.WebHome]]). By adding MemberSelections to the DataKeySets of (1), AttributeComponents and [[Measures>>doc:xwiki:Glossary.Measure.WebHome]] are constrained for the related DataKeys.
85		-
86		-A MetadataConstraint has only one way of specifying value subsets:
87		-
88		-~1. As a set of MetadataTargetRegions each of which defines a “slice” of the total structure (MemberSelection) in terms of one or more MemberValues that may be present for a //[[Component>>doc:xwiki:Glossary.Component.WebHome]]// of a structure when contained in a MetadataSet.
89		-
90		-In both CubeRegion and MetadataTargetRegion, the value in ComponentValue.value and MemberValue.value must be consistent with the //[[Representation>>doc:xwiki:Glossary.Representation.WebHome]]// declared for the //[[Component>>doc:xwiki:Glossary.Component.WebHome]]// in the DataStructureDefinition ([[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] or DataAttribute) or MetadataStructureDefinition (MetadataAttribute). Note that in all cases the "operator" on the value is deemed to be "equals", unless the wildcard character is used '%'. In the latter case the "operation" is a partial matching, where the percentage character ('%') may match zero or more characters. Furthermore, it is possible in a MemberValue to specify that child values (e.g., child [[codes>>doc:xwiki:Glossary.Code.WebHome]]) are included in the (% style="color:#2ecc71" %)Constraint(%%) by means of the cascadeValues [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]]. The latter may take the following values:
91		-
92		-* "true": all children are included,
93		-* "false" (default), or
94		-* " excludeRoot", where all children are included, and the root [[Code>>doc:xwiki:Glossary.Code.WebHome]] is excluded (i.e. the referenced [[Code>>doc:xwiki:Glossary.Code.WebHome]]).
95		-
96		-It is possible to define for the DataKeySet, DataKey, CubeRegion, MetadataTargetRegion and MemberSelection whether the set is included (isIncluded = "true", default) or excluded (isIncluded = "false") from the (% style="color:#2ecc71" %)Constraint(%%) definition. This [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] is useful if, for example, only a small sub-set of the possible values are not included in the set, then this smaller sub-set can be defined and excluded from the (% style="color:#2ecc71" %)constraint(%%). Note that if the child construct is “included” and the parent construct is “excluded” then the child construct is included in the list of constructs that are “excluded”.
97		-
98		-In any MemberSelection that the corresponding //[[Component>>doc:xwiki:Glossary.Component.WebHome]]// was using Codelist with extensions, it is possible to remove the prefix that has been used, in order to refer to the original [[Codes>>doc:xwiki:Glossary.Code.WebHome]]. This is achieved via property removePrefix, which defaults to “false”.
99		-
100		-In DataKeys and MemberValues it is possible, via the validFrom and validTo properties, to set a validity period for which the selected key or value is constrained.
101		-
102		-==== 12.3.3.2 Definitions ====
103		-
104		-(% style="width:908.294px" %)
105		-|**Class**|**Feature**|(% style="width:442px" %)**Description**
106		-|//ConstrainableArtefact//|(((
107		-Abstract Class Sub classes are:
108		-Dataflow
109		-DataProvider
110		-DataStructureDefinition
111		-Metadataflow
112		-MetadataProvisionAgreement
113		-MetadataSet
114		-MetadataStructureDefinition
115		-ProvisionAgreement
116		-//QueryDatasource//
117		-SimpleDatasource
118		-)))|(% style="width:442px" %)An [[artefact>>doc:xwiki:Glossary.Artefact.WebHome]] that can have (% style="color:#2ecc71" %)Constraints(%%) specified.
119		-| |content|(% style="width:442px" %)Associates the metadata that constrains the content to be found in a data or metadata source linked to the Constrainable [[Artefact>>doc:xwiki:Glossary.Artefact.WebHome]].
120		-|(%%)(% style="color:#2ecc71" %)//Constraint//|(((
121		-Inherits from
122		-//MaintainableArtefact//
123		-Abstract class Sub classes are:
124		-DataConstraint
125		-MetadataConstraint
126		-)))|(% style="width:442px" %)Specifies a subset of the definition of the allowable or actual content of a data or metadata source that can be derived from the Structure that defines [[code lists>>doc:xwiki:Glossary.Code list.WebHome]] and other valid content.
127		-| |+dataContentKeys|(% style="width:442px" %)(((
128		-Association to a subset of Data
129		-
130		-Key Sets (i.e., value combinations) that can be derived from the definition of the structure to which the Constrainable [[Artefact>>doc:xwiki:Glossary.Artefact.WebHome]] is linked.
131		-)))
132		-| |+dataContentRegion|(% style="width:442px" %)(((
133		-Association to a subset of [[component>>doc:xwiki:Glossary.Component.WebHome]] values that can be derived from the Data Structure
134		-
135		-Definition to which the Constrainable [[Artefact>>doc:xwiki:Glossary.Artefact.WebHome]] is linked.
136		-)))
137		-| |+metadataContentRegion|(% style="width:442px" %)Association to a subset of [[component>>doc:xwiki:Glossary.Component.WebHome]] values that can be derived from the [[Metadata Structure Definition>>doc:xwiki:Glossary.Metadata structure definition.WebHome]] to which the Constrainable [[Artefact>>doc:xwiki:Glossary.Artefact.WebHome]] is linked.
138		-| |role|(% style="width:442px" %)Association to the role that the (% style="color:#2ecc71" %)Constraint(%%) plays
139		-|DataConstraint|(((
140		-Inherits from
141		-(% style="color:#2ecc71" %)//Constraint//
142		-)))|(% style="width:442px" %)Defines a (% style="color:#2ecc71" %)Constraint(%%) in terms of the content that can be found in [[data sources>>doc:xwiki:Glossary.Data source.WebHome]] linked to the Constrainable [[Artefact>>doc:xwiki:Glossary.Artefact.WebHome]] to which this (% style="color:#2ecc71" %)constraint(%%) is associated.
143		-|ConstraintRoleType| |(% style="width:442px" %)Specifies the way the type of content of a (% style="color:#2ecc71" %)Constraint(%%) in terms of its purpose.
144		-| |allowableContent|(% style="width:442px" %)The (% style="color:#2ecc71" %)Constraint(%%) contains a specification of the valid subset of the [[Component>>doc:xwiki:Glossary.Component.WebHome]] values or keys.
145		-| |actualContent|(% style="width:442px" %)The (% style="color:#2ecc71" %)Constraint(%%) contains a specification of the actual content of a data or metadata source in terms of the [[Component>>doc:xwiki:Glossary.Component.WebHome]] values or keys in the source.
146		-|MetadataConstrai nt|(((
147		-Inherits from
148		-(% style="color:#2ecc71" %)//Constraint//
149		-)))|(% style="width:442px" %)Defines a (% style="color:#2ecc71" %)Constraint(%%) in terms of the content that can be found in metadata sources linked to the Constrainable [[Artefact>>doc:xwiki:Glossary.Artefact.WebHome]] to which this (% style="color:#2ecc71" %)constraint(%%) is associated.
150		-|DataKeySet| |(% style="width:442px" %)A set of data keys.
151		-| |isIncluded|(% style="width:442px" %)Indicates whether the Data Key Set is included in the (% style="color:#2ecc71" %)constraint(%%) definition or excluded from the (% style="color:#2ecc71" %)constraint(%%) definition.
152		-| |+keys|(% style="width:442px" %)Association to the Data Keys in the set.
153		-| |+member|(% style="width:442px" %)Association to the selection of a value subset for [[Attributes>>doc:xwiki:Glossary.Attribute.WebHome]] and [[Measures>>doc:xwiki:Glossary.Measure.WebHome]].
154		-|DataKey| |(% style="width:442px" %)The values of a key in a data set.
155		-| |isIncluded|(% style="width:442px" %)Indicates whether the Data Key is included in the (% style="color:#2ecc71" %)constraint(%%) definition or excluded from the (% style="color:#2ecc71" %)constraint(%%) definition.
156		-| |+keyValue|(% style="width:442px" %)(((
157		-Associates the [[Component>>doc:xwiki:Glossary.Component.WebHome]]
158		-
159		-Values that comprise the key.
160		-)))
161		-| |validFrom|(% style="width:442px" %)Date from which the Data Key is valid.
162		-| |validTo|(% style="width:442px" %)Date from which the Data Key is superseded.
163		-|ComponentValue| |(% style="width:442px" %)The identification and value of a [[Component>>doc:xwiki:Glossary.Component.WebHome]] of the key (e.g., [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]])
164		-| |value|(% style="width:442px" %)The value of [[Component>>doc:xwiki:Glossary.Component.WebHome]]
165		-| |+valueFor|(% style="width:442px" %)Association to the [[Component>>doc:xwiki:Glossary.Component.WebHome]] (e.g., [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]]) in the Structure to which the Constrainable [[Artefact>>doc:xwiki:Glossary.Artefact.WebHome]] is linked.
166		-|TimeDimensionValue| |(% style="width:442px" %)The value of the Time [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] [[component>>doc:xwiki:Glossary.Component.WebHome]].
167		-| |timeValue|(% style="width:442px" %)The value of the [[time period>>doc:xwiki:Glossary.Time period.WebHome]].
168		-| |operator|(% style="width:442px" %)(((
169		-Indicates whether the specified value represents and exact time or [[time period>>doc:xwiki:Glossary.Time period.WebHome]], or whether the value should be handled as a range.
170		-A value of greaterThan or greaterThanOrEqual indicates that the value is the beginning of a range (exclusive or inclusive, respectively).
171		-A value of lessThan or lessThanOrEqual indicates that the value is the end or a range (exclusive or inclusive, respectively).
172		-In the absence of the opposite bound being specified for the range, this bound is to be treated as infinite (e.g., any [[time period>>doc:xwiki:Glossary.Time period.WebHome]] after the beginning of the provided [[time period>>doc:xwiki:Glossary.Time period.WebHome]] for greaterThanOrEqual)
173		-)))
174		-|CubeRegion| |(% style="width:442px" %)A set of [[Components>>doc:xwiki:Glossary.Component.WebHome]] and their values that defines a subset or “slice” of the total range of possible content of a data structure to which the Constrainable [[Artefact>>doc:xwiki:Glossary.Artefact.WebHome]] is linked.
175		-| |isIncluded|(% style="width:442px" %)Indicates whether the Cube Region is included in the (% style="color:#2ecc71" %)constraint(%%) definition or excluded from the (% style="color:#2ecc71" %)constraint(%%) definition.
176		-| |+member|(% style="width:442px" %)Associates the set of [[Components>>doc:xwiki:Glossary.Component.WebHome]] that define the subset of values.
177		-|MetadataTargetRegion| |(% style="width:442px" %)A set of [[Components>>doc:xwiki:Glossary.Component.WebHome]] and their values that defines a subset or “slice” of the total range of possible content of a metadata structure to which the Constrainable [[Artefact>>doc:xwiki:Glossary.Artefact.WebHome]] is linked.
178		-| |isIncluded|(% style="width:442px" %)Indicates whether the Metadata Target Region is included in the (% style="color:#2ecc71" %)constraint(%%) definition or excluded from the (% style="color:#2ecc71" %)constraint(%%) definition.
179		-| |+member|(% style="width:442px" %)Associates the set of [[Components>>doc:xwiki:Glossary.Component.WebHome]] that define the subset of values.
180		-|MemberSelection| |(% style="width:442px" %)A set of permissible values for one [[component>>doc:xwiki:Glossary.Component.WebHome]] of the axis.
181		-| |isIncluded|(% style="width:442px" %)Indicates whether the [[Member Selection>>doc:xwiki:Glossary.Member selection.WebHome]] is included in the (% style="color:#2ecc71" %)constraint(%%) definition or excluded from the (% style="color:#2ecc71" %)constraint(%%) definition.
182		-| |removePrefix|(% style="width:442px" %)Indicates whether the [[Codes>>doc:xwiki:Glossary.Code.WebHome]] should keep or not the prefix, as defined in the extension of Codelist.
183		-| |+valuesFor|(% style="width:442px" %)Association to the [[Component>>doc:xwiki:Glossary.Component.WebHome]] in the Structure to which the Constrainable [[Artefact>>doc:xwiki:Glossary.Artefact.WebHome]] is linked, which defines the valid [[Representation>>doc:xwiki:Glossary.Representation.WebHome]] for the Member Values.
184		-|//SelectionValue//|(((
185		-Abstract class. Sub classes are:
186		-MemberValue
187		-//TimeRangeValue//
188		-LocalisedMemberValue
189		-)))|(% style="width:442px" %)A collection of values for the [[Member Selections>>doc:xwiki:Glossary.Member selection.WebHome]] that, combined with other [[Member Selections>>doc:xwiki:Glossary.Member selection.WebHome]], comprise the value content of the Cube Region.
190		-| |validFrom|(% style="width:442px" %)Date from which the Selection Value is valid.
191		-| |validTo|(% style="width:442px" %)Date from which the Selection Value is superseded.
192		-|MemberValue|(((
193		-Inherits from
194		-//SelectionValue//
195		-)))|(% style="width:442px" %)A single value of the set of values for the [[Member Selection>>doc:xwiki:Glossary.Member selection.WebHome]].
196		-| |value|(% style="width:442px" %)A value of the member.
197		-| |cascadeValues|(% style="width:442px" %)Indicates that the child nodes of the member are included in the [[Member Selection>>doc:xwiki:Glossary.Member selection.WebHome]] (e.g., child [[codes>>doc:xwiki:Glossary.Code.WebHome]])
198		-|LocalisedMemberValue|(((
199		-Inherits from
200		-//SelectionValue//
201		-)))|(% style="width:442px" %)A single localised value of the set of values for a [[Member Selection>>doc:xwiki:Glossary.Member selection.WebHome]].
202		-| |value|(% style="width:442px" %)A value of the member.
203		-| |locale|(% style="width:442px" %)The locale that the values must adhere to in the [[dataset>>doc:xwiki:Glossary.Data set.WebHome]].
204		-|//TimeRangeValue//|(((
205		-Inherits from
206		-//SelectionValue//
207		-Abstract Class Concrete Classes:
208		-BeforePeriod
209		-AfterPeriod
210		-RangePeriod
211		-)))|(% style="width:442px" %)A time value or values that specifies the date or dates for which the constrained selection is valid.
212		-|BeforePeriod|(((
213		-Inherits from
214		-//TimeRangeValue//
215		-)))|(% style="width:442px" %)The period before which the constrained selection is valid.
216		-| |isInclusive|(% style="width:442px" %)Indication of whether the date is inclusive in the period.
217		-| |period|(% style="width:442px" %)The [[time period>>doc:xwiki:Glossary.Time period.WebHome]] which acts as the latest possible reported period
218		-|AfterPeriod|(((
219		-Inherits from
220		-//TimeRangeValue//
221		-)))|(% style="width:442px" %)The period after which the constrained selection is valid.
222		-| |isInclusive|(% style="width:442px" %)Indication of whether the date is inclusive in the period.
223		-| |period|(% style="width:442px" %)The [[time period>>doc:xwiki:Glossary.Time period.WebHome]] which acts as the earliest possible reported period
224		-|RangePeriod| |(% style="width:442px" %)The start and end periods in a date range.
225		-| |+start|(% style="width:442px" %)Association to the Start Period.
226		-| |+end|(% style="width:442px" %)Association to the End Period.
227		-|StartPeriod|(((
228		-Inherits from
229		-//TimeRangeValue//
230		-)))|(% style="width:442px" %)The period from which the constrained selection is valid.
231		-| |isInclusive|(% style="width:442px" %)Indication of whether the date is inclusive in the period.
232		-| |period|(% style="width:442px" %)The [[time period>>doc:xwiki:Glossary.Time period.WebHome]] which acts as the start of the range
233		-|EndPeriod|(((
234		-Inherits from
235		-//TimeRangeValue//
236		-)))|(% style="width:442px" %)The period to which the constrained selection is valid.
237		-| |isInclusive|(% style="width:442px" %)Indication of whether the date is inclusive in the period.
238		-| |period|(% style="width:442px" %)The [[time period>>doc:xwiki:Glossary.Time period.WebHome]] which acts as the end of the range
239		-|ReleaseCalendar| |(% style="width:442px" %)The schedule of publication or reporting of the data or metadata
240		-| |periodicity|(% style="width:442px" %)The [[time period>>doc:xwiki:Glossary.Time period.WebHome]] between the releases of the data or metadata
241		-| |offset|(% style="width:442px" %)Interval between January 1^^st^^ and the first release of the data
242		-| |tolerance|(% style="width:442px" %)Period after which the data or metadata may be deemed late.

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