Changes for page 12 Constraints
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... ... @@ -1,9 +1,5 @@ 1 -{{box title="**Contents**"}} 2 -{{toc/}} 3 -{{/box}} 1 +=== 12.1 Scope === 4 4 5 -== 12.1 Scope == 6 - 7 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. 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 //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 to which the //Constraint// is attached e.g., DataStructureDefinition, Dataflow, ProvisionAgreement, MetadataStructureDefinition, Metadataflow, MetadataProvisionAgreement. 8 8 9 9 Note that in this metamodel the term data provider refers to both data and metadata providers. ... ... @@ -12,42 +12,49 @@ 12 12 13 13 These specifications are called //Constraint// in this model. 14 14 15 -== 12.2 Inheritance == 11 +=== 12.2 Inheritance === 16 16 17 -=== 12.2.1 Class Diagram of Constrainable Artefacts - Inheritance === 13 +==== 12.2.1 Class Diagram of Constrainable Artefacts - Inheritance ==== 18 18 19 19 [[image:1749246701058-316.jpeg]]** ** 20 20 21 21 **Figure 41: Inheritance class diagram of constrainable and provisioning artefacts** 22 22 23 -=== 12.2.2 Explanation of the Diagram === 19 +==== 12.2.2 Explanation of the Diagram ==== 24 24 25 -==== 12.2.2.1 Narrative ==== 21 +===== 12.2.2.1 Narrative ===== 26 26 27 27 Any artefact that inherits from the //ConstrainableArtefact// interface can have constraints defined. The artefacts that can have constraint metadata attached are: 28 28 29 29 Dataflow 26 + 30 30 ProvisionAgreement 28 + 31 31 DataProvider 30 + 32 32 DataStructureDefinition 32 + 33 33 Metadataflow 34 + 34 34 MetaDataProvider 36 + 35 35 MetadataProvisionAgreement 38 + 36 36 MetadataStructureDefinition 37 37 38 38 Note that, because the //Constraint// can specify a subset of the component 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 //Constraint// itself may not be linked directly to a DataStructureDefinition or MetadataStructureDefinition, the artefact that it is constraining will be linked to a DataStructureDefinition or MetadataStructureDefinition. A DataProvider and MetadataProvider indirectly refernece DSDs and MSDs through their associated Data and Metadata Provision Agreements as such these Constraints are restricted to Cube Regions and are applicable only to the DSDs / MSDs which contain the Componets being restricted. 39 39 40 -== 12.3 Constraints == 43 +=== 12.3 Constraints === 41 41 42 -=== 12.3.1 Relationship Class Diagram – high level view === 45 +==== 12.3.1 Relationship Class Diagram – high level view ==== 43 43 44 44 [[image:1749246701062-899.jpeg]] 45 45 46 46 **Figure 42: Relationship class diagram showing constraint metadata** 47 47 48 -=== 12.3.2 Explanation of the Diagram === 51 +==== 12.3.2 Explanation of the Diagram ==== 49 49 50 -==== 12.3.2.1 Narrative ==== 53 +===== 12.3.2.1 Narrative ===== 51 51 52 52 The constraint mechanism allows specific constraints to be attached to a //ConstrainableArtefact//. These constraints specify a subset of the total set of values or keys that may be present in any of the //ConstrainableArtefacts//. 53 53 ... ... @@ -62,13 +62,13 @@ 62 62 63 63 Note also that another possible type of a Constraint is available; that is a AvailableDataConstraint, this is used to report the data that exists in a data source. An AvailableDataConstraint is not a Maintainable Artefact as it is geneated dynamically based on the query. An AvailableDataConstraint contains only 1 Cube Region which is used to specify the valid values per Dimension of the DSD that is is attached to. 64 64 65 -=== 12.3.3 Relationship Class Diagram – Detail === 68 +==== 12.3.3 Relationship Class Diagram – Detail ==== 66 66 67 67 [[image:1749246701065-474.jpeg]]** ** 68 68 69 69 **Figure 43: Constraints – Key Set, Cube Region and Metadata Target Region** 70 70 71 -==== 12.3.3.1 Explanation of the Diagram ==== 74 +===== 12.3.3.1 Explanation of the Diagram ===== 72 72 73 73 A //Constraint// is a //MaintainableArtefact//. 74 74 ... ... @@ -100,134 +100,172 @@ 100 100 101 101 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. 102 102 103 -==== 12.3.3.2 Definitions ==== 106 +===== 12.3.3.2 Definitions ===== 104 104 105 -(% style="width:974.835px" %) 106 -|(% style="width:183px" %)**Class**|(% style="width:224px" %)**Feature**|(% style="width:572px" %)**Description** 107 -|(% style="width:183px" %)//ConstrainableArtefact//|(% style="width:224px" %)((( 108 +|**Class**|**Feature**|**Description** 109 +|//ConstrainableArt efact//|((( 108 108 Abstract Class 111 + 109 109 Sub classes are: 113 + 110 110 Dataflow 115 + 111 111 DataProvider 117 + 112 112 DataStructureDefinition 119 + 113 113 Metadataflow 114 -MetadataProvisionAgreement 121 + 122 +MetadataProvisionAgreem ent 123 + 115 115 MetadataSet 125 + 116 116 MetadataStructureDefini tion 127 + 117 117 ProvisionAgreement 129 + 118 118 //QueryDatasource// 131 + 119 119 SimpleDatasource 120 -)))| (% style="width:572px" %)An artefact that can have Constraints specified.121 -| (%style="width:183px" %)|(% style="width:224px" %)content|(% style="width:572px" %)Associates the metadata that constrains the content to be found in a data or metadata source linked to the Constrainable Artefact.122 -| (% style="width:183px" %)//Constraint//|(% style="width:224px" %)(((133 +)))|An artefact that can have Constraints specified. 134 +| |content|Associates the metadata that constrains the content to be found in a data or metadata source linked to the Constrainable Artefact. 135 +|//Constraint//|((( 123 123 Inherits from 137 + 124 124 //MaintainableArtefact// 139 + 125 125 Abstract class 141 + 126 126 Sub classes are: 143 + 127 127 DataConstraint 145 + 128 128 MetadataConstraint 129 -)))| (% style="width:572px" %)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 and other valid content.130 -| (%style="width:183px" %)|(% style="width:224px" %)+dataContentKeys|(% style="width:572px" %)Association to a subset of Data Key Sets (i.e., value combinations) that can be derived from the definition of the structure to which the Constrainable Artefact is linked.131 -| (%style="width:183px" %)|(% style="width:224px" %)+dataContentRegion|(% style="width:572px" %)Association to a subset of component values that can be derived from the Data Structure Definition to which the Constrainable Artefact is linked.132 -| (%style="width:183px" %)|(% style="width:224px" %)+metadataContentRegion|(% style="width:572px" %)Association to a subset of component values that can be derived from the Metadata Structure Definition to which the Constrainable Artefact is linked.133 -| (%style="width:183px" %)|(% style="width:224px" %)role|(% style="width:572px" %)Association to the role that the Constraint plays134 -| (% style="width:183px" %)DataConstraint|(% style="width:224px" %)(((147 +)))|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 and other valid content. 148 +| |+dataContentKeys|Association to a subset of Data Key Sets (i.e., value combinations) that can be derived from the definition of the structure to which the Constrainable Artefact is linked. 149 +| |+dataContentRegion|Association to a subset of component values that can be derived from the Data Structure Definition to which the Constrainable Artefact is linked. 150 +| |+metadataContentRegion|Association to a subset of component values that can be derived from the Metadata Structure Definition to which the Constrainable Artefact is linked. 151 +| |role|Association to the role that the Constraint plays 152 +|DataConstraint|((( 135 135 Inherits from 154 + 136 136 //Constraint// 137 -)))| (% style="width:572px" %)Defines a Constraint in terms of the content that can be found in data sources linked to the Constrainable Artefact to which this constraint is associated.138 -| (% style="width:183px" %)ConstraintRoleType|(%style="width:224px" %)|(% style="width:572px" %)Specifies the way the type of content of a Constraint in terms of its purpose.139 -| (%style="width:183px" %)|(% style="width:224px" %)allowableContent|(% style="width:572px" %)The Constraint contains a specification of the valid subset of the Component values or keys.140 -| (%style="width:183px" %)|(% style="width:224px" %)actualContent|(% style="width:572px" %)The Constraint contains a specification of the actual content of a data or metadata source in terms of the Component values or keys in the source.141 -| (% style="width:183px" %)MetadataConstraint|(% style="width:224px" %)(((156 +)))|Defines a Constraint in terms of the content that can be found in data sources linked to the Constrainable Artefact to which this constraint is associated. 157 +|ConstraintRoleTy pe| |Specifies the way the type of content of a Constraint in terms of its purpose. 158 +| |allowableContent|The Constraint contains a specification of the valid subset of the Component values or keys. 159 +| |actualContent|The Constraint contains a specification of the actual content of a data or metadata source in terms of the Component values or keys in the source. 160 +|MetadataConstrai nt|((( 142 142 Inherits from 162 + 143 143 //Constraint// 144 -)))| (% style="width:572px" %)Defines a Constraint in terms of the content that can be found in metadata sources linked to the Constrainable Artefact to which this constraint is associated.145 -| (% style="width:183px" %)DataKeySet|(%style="width:224px" %)|(% style="width:572px" %)A set of data keys.146 -| (%style="width:183px" %)|(% style="width:224px" %)isIncluded|(% style="width:572px" %)Indicates whether the Data Key Set is included in the constraint definition or excluded from the constraint definition.147 -| (%style="width:183px" %)|(% style="width:224px" %)+keys|(% style="width:572px" %)Association to the Data Keys in the set.148 -| (%style="width:183px" %)|(% style="width:224px" %)+member|(% style="width:572px" %)Association to the selection of a value subset for Attributes and Measures.149 -| (% style="width:183px" %)DataKey|(%style="width:224px" %)|(% style="width:572px" %)The values of a key in a data set.150 -| (%style="width:183px" %)|(% style="width:224px" %)isIncluded|(% style="width:572px" %)Indicates whether the Data Key is included in the constraint definition or excluded from the constraint definition.151 -| (%style="width:183px" %)|(% style="width:224px" %)+keyValue|(% style="width:572px" %)Associates the Component Values that comprise the key.152 -| (%style="width:183px" %)|(% style="width:224px" %)validFrom|(% style="width:572px" %)Date from which the Data Key is valid.153 -| (%style="width:183px" %)|(% style="width:224px" %)validTo|(% style="width:572px" %)Date from which the Data Key is superseded.154 -| (% style="width:183px" %)ComponentValue|(%style="width:224px" %)|(% style="width:572px" %)The identification and value of a Component of the key (e.g., Dimension)155 -| (%style="width:183px" %)|(% style="width:224px" %)value|(% style="width:572px" %)The value of Component156 -| (%style="width:183px" %)|(% style="width:224px" %)+valueFor|(% style="width:572px" %)Association to the Component (e.g., Dimension) in the Structure to which the Constrainable Artefact is linked.157 -| (% style="width:183px" %)TimeDimensionValue|(%style="width:224px" %)|(% style="width:572px" %)The value of the Time Dimension component.158 -| (%style="width:183px" %)|(% style="width:224px" %)timeValue|(% style="width:572px" %)The value of the time period.159 -| (%style="width:183px" %)|(% style="width:224px" %)operator|(% style="width:572px" %)(((164 +)))|Defines a Constraint in terms of the content that can be found in metadata sources linked to the Constrainable Artefact to which this constraint is associated. 165 +|DataKeySet| |A set of data keys. 166 +| |isIncluded|Indicates whether the Data Key Set is included in the constraint definition or excluded from the constraint definition. 167 +| |+keys|Association to the Data Keys in the set. 168 +| |+member|Association to the selection of a value subset for Attributes and Measures. 169 +|DataKey| |The values of a key in a data set. 170 +| |isIncluded|Indicates whether the Data Key is included in the constraint definition or excluded from the constraint definition. 171 +| |+keyValue|Associates the Component Values that comprise the key. 172 +| |validFrom|Date from which the Data Key is valid. 173 +| |validTo|Date from which the Data Key is superseded. 174 +|ComponentValue| |The identification and value of a Component of the key (e.g., Dimension) 175 +| |value|The value of Component 176 +| |+valueFor|Association to the Component (e.g., Dimension) in the Structure to which the Constrainable Artefact is linked. 177 +|TimeDimensionVal ue| |The value of the Time Dimension component. 178 +| |timeValue|The value of the time period. 179 +| |operator|((( 160 160 Indicates whether the specified value represents and exact time or time period, or whether the value should be handled as a range. 181 + 161 161 A value of greaterThan or greaterThanOrEqual indicates that the value is the beginning of a range (exclusive or inclusive, respectively). 162 -A value of lessThan or lessThanOrEqual indicates that the value is the end or a range (exclusive or inclusive, respectively). 163 -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 after the beginning of the provided time period for greaterThanOrEqual) 183 + 184 + A value of lessThan or lessThanOrEqual indicates that the value is the end or a range (exclusive or inclusive, respectively). 185 + 186 + 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 after the beginning of the provided time period for greaterThanOrEqual) 164 164 ))) 165 165 166 -(% style="width:978.835px" %) 167 -|(% style="width:172px" %)**Class**|(% style="width:231px" %)**Feature**|(% style="width:572px" %)**Description** 168 -|(% style="width:172px" %)CubeRegion|(% style="width:231px" %) |(% style="width:572px" %)A set of Components 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 is linked. 169 -|(% style="width:172px" %) |(% style="width:231px" %)isIncluded|(% style="width:572px" %)Indicates whether the Cube Region is included in the constraint definition or excluded from the constraint definition. 170 -|(% style="width:172px" %) |(% style="width:231px" %)+member|(% style="width:572px" %)Associates the set of Components that define the subset of values. 171 -|(% style="width:172px" %)MetadataTargetRegion|(% style="width:231px" %) |(% style="width:572px" %)A set of Components 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 is linked. 172 -|(% style="width:172px" %) |(% style="width:231px" %)isIncluded|(% style="width:572px" %)Indicates whether the Metadata Target Region is included in the constraint definition or excluded from the constraint definition. 173 -|(% style="width:172px" %) |(% style="width:231px" %)+member|(% style="width:572px" %)Associates the set of Components that define the subset of values. 174 -|(% style="width:172px" %)MemberSelection|(% style="width:231px" %) |(% style="width:572px" %)A set of permissible values for one component of the axis. 175 -|(% style="width:172px" %) |(% style="width:231px" %)isIncluded|(% style="width:572px" %)Indicates whether the Member Selection is included in the constraint definition or excluded from the constraint definition. 176 -|(% style="width:172px" %) |(% style="width:231px" %)removePrefix|(% style="width:572px" %)Indicates whether the Codes should keep or not the prefix, as defined in the extension of Codelist. 177 -|(% style="width:172px" %) |(% style="width:231px" %)+valuesFor|(% style="width:572px" %)Association to the Component in the Structure to which the Constrainable Artefact is linked, which defines the valid Representation for the Member Values. 178 -|(% style="width:172px" %)//SelectionValue//|(% style="width:231px" %)((( 189 + 190 + 191 + 192 + 193 +|**Class**|**Feature**|**Description** 194 +|CubeRegion| |A set of Components 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 is linked. 195 +| |isIncluded|Indicates whether the Cube Region is included in the constraint definition or excluded from the constraint definition. 196 +| |+member|Associates the set of Components that define the subset of values. 197 +|MetadataTargetRe gion| |A set of Components 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 is linked. 198 +| |isIncluded|Indicates whether the Metadata Target Region is included in the constraint definition or excluded from the constraint definition. 199 +| |+member|Associates the set of Components that define the subset of values. 200 +|MemberSelection| |A set of permissible values for one component of the axis. 201 +| |isIncluded|Indicates whether the Member Selection is included in the constraint definition or excluded from the constraint definition. 202 +| |removePrefix|Indicates whether the Codes should keep or not the prefix, as defined in the extension of Codelist. 203 +| |+valuesFor|Association to the Component in the Structure to which the Constrainable Artefact is linked, which defines the valid Representation for the Member Values. 204 +|//SelectionValue//|((( 179 179 Abstract class. Sub classes are: 206 + 180 180 MemberValue 208 + 181 181 //TimeRangeValue// 210 + 182 182 LocalisedMemberValue 183 -)))| (% style="width:572px" %)A collection of values for the Member Selections that, combined with other Member Selections, comprise the value content of the Cube Region.184 -| (%style="width:172px" %)|(% style="width:231px" %)validFrom|(% style="width:572px" %)Date from which the Selection Value is valid.185 -| (%style="width:172px" %)|(% style="width:231px" %)validTo|(% style="width:572px" %)Date from which the Selection Value is superseded.186 -| (% style="width:172px" %)MemberValue|(% style="width:231px" %)(((212 +)))|A collection of values for the Member Selections that, combined with other Member Selections, comprise the value content of the Cube Region. 213 +| |validFrom|Date from which the Selection Value is valid. 214 +| |validTo|Date from which the Selection Value is superseded. 215 +|MemberValue|((( 187 187 Inherits from 217 + 188 188 //SelectionValue// 189 -)))| (% style="width:572px" %)A single value of the set of values for the Member Selection.190 -| (%style="width:172px" %)|(% style="width:231px" %)value|(% style="width:572px" %)A value of the member.191 -| (%style="width:172px" %)|(% style="width:231px" %)cascadeValues|(% style="width:572px" %)Indicates that the child nodes of the member are included in the Member Selection (e.g., child codes)192 -| (% style="width:172px" %)LocalisedMemberValue|(% style="width:231px" %)(((219 +)))|A single value of the set of values for the Member Selection. 220 +| |value|A value of the member. 221 +| |cascadeValues|Indicates that the child nodes of the member are included in the Member Selection (e.g., child codes) 222 +|LocalisedMemberV alue|((( 193 193 Inherits from 224 + 194 194 //SelectionValue// 195 -)))| (% style="width:572px" %)A single localised value of the set of values for a Member Selection.196 -| (%style="width:172px" %)|(% style="width:231px" %)value|(% style="width:572px" %)A value of the member.197 -| (%style="width:172px" %)|(% style="width:231px" %)locale|(% style="width:572px" %)The locale that the values must adhere to in the dataset.198 -| (% style="width:172px" %)//TimeRangeValue//|(% style="width:231px" %)(((226 +)))|A single localised value of the set of values for a Member Selection. 227 +| |value|A value of the member. 228 +| |locale|The locale that the values must adhere to in the dataset. 229 +|//TimeRangeValue//|((( 199 199 Inherits from 231 + 200 200 //SelectionValue// 233 + 201 201 Abstract Class 235 + 202 202 Concrete Classes: 237 + 203 203 BeforePeriod 239 + 204 204 AfterPeriod 241 + 205 205 RangePeriod 206 -)))| (% style="width:572px" %)A time value or values that specifies the date or dates for which the constrained selection is valid.207 -| (% style="width:172px" %)BeforePeriod|(% style="width:231px" %)(((243 +)))|A time value or values that specifies the date or dates for which the constrained selection is valid. 244 +|BeforePeriod|((( 208 208 Inherits from 246 + 209 209 //TimeRangeValue// 210 -)))| (% style="width:572px" %)The period before which the constrained selection is valid.211 -| (%style="width:172px" %)|(% style="width:231px" %)isInclusive|(% style="width:572px" %)Indication of whether the date is inclusive in the period.212 -| (%style="width:172px" %)|(% style="width:231px" %)period|(% style="width:572px" %)The time period which acts as the latest possible reported period213 -| (% style="width:172px" %)AfterPeriod|(% style="width:231px" %)(((248 +)))|The period before which the constrained selection is valid. 249 +| |isInclusive|Indication of whether the date is inclusive in the period. 250 +| |period|The time period which acts as the latest possible reported period 251 +|AfterPeriod|((( 214 214 Inherits from 253 + 215 215 //TimeRangeValue// 216 -)))| (% style="width:572px" %)The period after which the constrained selection is valid.217 -| (%style="width:172px" %)|(% style="width:231px" %)isInclusive|(% style="width:572px" %)Indication of whether the date is inclusive in the period.218 -| (%style="width:172px" %)|(% style="width:231px" %)period|(% style="width:572px" %)The time period which acts as the earliest possible reported period219 -| (% style="width:172px" %)RangePeriod|(%style="width:231px" %)|(% style="width:572px" %)The start and end periods in a date range.220 -| (%style="width:172px" %)|(% style="width:231px" %)+start|(% style="width:572px" %)Association to the Start Period.221 -| (%style="width:172px" %)|(% style="width:231px" %)+end|(% style="width:572px" %)Association to the End Period.222 -| (% style="width:172px" %)StartPeriod|(% style="width:231px" %)(((255 +)))|The period after which the constrained selection is valid. 256 +| |isInclusive|Indication of whether the date is inclusive in the period. 257 +| |period|The time period which acts as the earliest possible reported period 258 +|RangePeriod| |The start and end periods in a date range. 259 +| |+start|Association to the Start Period. 260 +| |+end|Association to the End Period. 261 +|StartPeriod|((( 223 223 Inherits from 263 + 224 224 //TimeRangeValue// 225 -)))| (% style="width:572px" %)The period from which the constrained selection is valid.226 -| (%style="width:172px" %)|(% style="width:231px" %)isInclusive|(% style="width:572px" %)Indication of whether the date is inclusive in the period.227 -| (%style="width:172px" %)|(% style="width:231px" %)period|(% style="width:572px" %)The time period which acts as the start of the range228 -| (% style="width:172px" %)EndPeriod|(% style="width:231px" %)(((265 +)))|The period from which the constrained selection is valid. 266 +| |isInclusive|Indication of whether the date is inclusive in the period. 267 +| |period|The time period which acts as the start of the range 268 +|EndPeriod|((( 229 229 Inherits from 270 + 230 230 //TimeRangeValue// 231 -)))| (% style="width:572px" %)The period to which the constrained selection is valid.232 -| (%style="width:172px" %)|(% style="width:231px" %)isInclusive|(% style="width:572px" %)Indication of whether the date is inclusive in the period.233 -| (%style="width:172px" %)|(% style="width:231px" %)period|(% style="width:572px" %)The time period which acts as the end of the range272 +)))|The period to which the constrained selection is valid. 273 +| |isInclusive|Indication of whether the date is inclusive in the period. 274 +| |period|The time period which acts as the end of the range
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