Changes for page 7 Metadata Structure Definition and Metadata Set
Last modified by Helena K. on 2026/06/08 17:06
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... ... @@ -21,15 +21,13 @@ 21 21 22 22 === 7.2.1 Introduction === 23 23 24 -As with the Data Structure Definition Structure, many of the constructs in this layer of the model inherit from the SDMX Base layer. Therefore, it is necessary to study both the inheritance and the relationship diagrams to understand the functionality of individual 24 +As with the Data Structure Definition Structure, many of the constructs in this layer of the model inherit from the SDMX Base layer. Therefore, it is necessary to study both the inheritance and the relationship diagrams to understand the functionality of individual packages. The diagram below shows the full inheritance tree for the classes concerned with the MetadataStructureDefinition, the MetadataProvisionAgreement, the Metadataflow and the MetadataSet. 25 25 26 -packages. The diagram below shows the full inheritance tree for the classes concerned with the MetadataStructureDefinition, the MetadataProvisionAgreement, the Metadataflow and the MetadataSet. 27 - 28 28 There are very few additional classes in the MetadataStructureDefinition package that do not themselves inherit from classes in the SDMX Base. In other words, the SDMX Base gives most of the structure of this sub model both in terms of associations and in terms of attributes. The relationship diagrams shown in this section show clearly when these associations are inherited from the SDMX Base (see the Appendix “A Short Guide to UML in the SDMX Information Model” to see the diagrammatic notation used to depict this). 29 29 30 30 === 7.2.2 Class Diagram - Inheritance === 31 31 32 -[[image: image58.png]]30 +[[image:1749246462779-763.jpeg]]** ** 33 33 34 34 **Figure 32: Inheritance class diagram of the Metadata Structure Definition** 35 35 ... ... @@ -61,7 +61,7 @@ 61 61 62 62 === 7.3.3 Class Diagram – Relationship === 63 63 64 -[[image: image59.png]]62 +[[image:1749246462786-944.jpeg]] 65 65 66 66 **Figure 33: Relationship class diagram of the Metadata Structure Definition** 67 67 ... ... @@ -83,8 +83,10 @@ 83 83 84 84 The definition of the various types of Representation can be found in the specification of the Base constructs. Note that if the Representation is non-enumerated then the association is to the ExtendedFacet (which allows for XHTML as a FacetValueType). If the Representation is enumerated, then is must use a Codelist. 85 85 86 -The Metadataflow is linked to a MetadataStructureDefinition. The Metadataflow, in addition to the attributes inherited from the Base classes, it also has a list of IdentifiableObjectSelection constructs, which resolve into the IdentifiableArtefacts that the Metadatasets will refer to. The IdentifiableObjectSelection acts like a reference, but it may also include wildcarding part of the reference terms.84 +The Metadataflow is linked to a MetadataStructureDefinition. The Metadataflow, in addition to the attributes inherited from the Base classes, it also has a list of 87 87 86 +IdentifiableObjectSelection constructs, which resolve into the IdentifiableArtefacts that the Metadatasets will refer to. The IdentifiableObjectSelection acts like a reference, but it may also include wildcarding part of the reference terms. 87 + 88 88 The MetadataProvisionAgreement is linked to a Metadataflow. The former, like the Metadataflow, may have IdentifiableObjectSelection constructs to be used for specifying the proper targets for reference metadata. 89 89 90 90 ==== 7.3.4.2 Definitions ==== ... ... @@ -124,7 +124,7 @@ 124 124 125 125 === 7.4.1 Class Diagram === 126 126 127 -[[image: image60.png]]127 +[[image:1749246462791-735.jpeg]] 128 128 129 129 **Figure 34: Relationship Class Diagram of the Metadata Set** 130 130 ... ... @@ -152,61 +152,71 @@ 152 152 153 153 ==== 7.4.2.2 Definitions ==== 154 154 155 -(% style="width:980.835px" %) 156 -|**Class**|**Feature**|(% style="width:515px" %)**Description** 157 -|MetadataSet| |(% style="width:515px" %)Any organised collection of metadata. 158 -| |reportingBegin|(% style="width:515px" %)A specific time period in a known system of time periods that identifies the start period of a report. 159 -| |reportingEnd|(% style="width:515px" %)A specific time period in a known system of time periods that identifies the end period of a report. 160 -| |publicationYear|(% style="width:515px" %)Specifies the year of publication of the data or metadata in terms of whatever provisioning agreements might be in force. 161 -| |publicationPeriod|(% style="width:515px" %)Specifies the period of publication of the data or metadata in terms of whatever provisioning agreements might be in force. 162 -| |action|(% style="width:515px" %)Defines the action to be taken by the recipient system (information, append, replace, delete) 163 -| |+describedBy|(% style="width:515px" %)Associates a Metadataflow or a Metadata Provision Agreement to the Metadata Set. 164 -| |+structuredBy|(% style="width:515px" %)Associates the Metadata Attribute Descriptor of the Metadata Structure Definition that defines the structure of the Metadata Set. Note that this dependency explains that the Metadataset is structures according to the Metadata Structure Definition of the linked (by the +describedBy) Metadataflow or the Metadata Provision Agreement. 165 -| |+publishedBy|(% style="width:515px" %)Associates the Data Provider that reports/publishes the metadata. 166 -| |+attachesTo|(% style="width:515px" %)Associates the target identifiable objects to which metadata is to be attached. 167 -| |+metadata|(% style="width:515px" %)Associates the Metadata Attribute values which are to be associated with the object or objects identified by the Target Identifiable Objects(s). 168 -|TargetIdentifiableObject| |(% style="width:515px" %)Specifies the identification of an Identifiable object. 169 -| |+valueFor|(% style="width:515px" %)Associates the Target Identifiable Object being a part of the Identifiable Object Selection specified in the Dataflow or Metadata Provision Agreement. 170 -|StructureRef| |(% style="width:515px" %)Contains the identification of an Identifiable object. 171 -| |structureType|(% style="width:515px" %)The object type of the target object. 172 -|IdentifiableArtefactRef| |(% style="width:515px" %)Identification of the target object. 173 -| |+containedObject|(% style="width:515px" %)Association to a contained object in a hierarchy of Identifiable Objects such as a Transition in a Process Step. 174 -|//MetadataAttributeValue//|((( 155 +|**Class**|**Feature**|**Description** 156 +|MetadataSet| |Any organised collection of metadata. 157 +| |reportingBegin|A specific time period in a known system of time periods that identifies the start period of a report. 158 +| |reportingEnd|A specific time period in a known system of time periods that identifies the end period of a report. 159 +| |publicationYear|Specifies the year of publication of the data or metadata in terms of whatever provisioning agreements might be in force. 160 +| |publicationPeriod|Specifies the period of publication of the data or metadata in terms of whatever provisioning agreements might be in force. 161 +| |action|Defines the action to be taken by the recipient system (information, append, replace, delete) 162 +| |+describedBy|Associates a Metadataflow or a Metadata Provision Agreement to the Metadata Set. 163 +| |+structuredBy|Associates the Metadata Attribute Descriptor of the Metadata Structure Definition that defines the structure of the Metadata Set. Note that this dependency explains that the Metadataset is structures according to the Metadata Structure Definition of the linked (by the +describedBy) Metadataflow or the Metadata Provision Agreement. 164 +| |+publishedBy|Associates the Data Provider that reports/publishes the metadata. 165 +| |+attachesTo|Associates the target identifiable objects to which metadata is to be attached. 166 +| |+metadata|Associates the Metadata Attribute values which are to be associated with the object or objects identified by the Target Identifiable Objects(s). 167 +|TargetIdentifiableO bject| |Specifies the identification of an Identifiable object. 168 +| |+valueFor|Associates the Target Identifiable Object being a part of the Identifiable Object Selection specified in the Dataflow or Metadata Provision Agreement. 169 +|StructureRef| |Contains the identification of an Identifiable object. 170 +| |structureType|The object type of the target object. 171 +|IdentifiableArtefac tRef| |Identification of the target object. 172 +| |+containedObject|Association to a contained object in a hierarchy of Identifiable Objects such as a Transition in a Process Step. 173 +|//MetadataAttributeVa lue//|((( 175 175 Abstract class 176 176 Sub classes are: 177 -//UncodedMetadataAttributeValue// 178 -CodedMetadataAttributeValue 179 -)))| (% style="width:515px" %)The value for a Metadata Attribute.176 +//UncodedMetadataAttrib uteValue// 177 +CodedMetadataAttribut eValue 178 +)))|The value for a Metadata Attribute. 180 180 | |((( 181 181 +valueFor 181 + 182 182 (inherited from the 183 + 183 183 //AttributeValue//) 184 -)))|( % style="width:515px" %)(((185 +)))|((( 185 185 Association to the Metadata Attribute in the Metadata Structure Definition that identifies the Concept and allowed Representation for the Metadata Attribute value. 187 + 186 186 Note that this is a conceptual association showing the link to the MSD construct. The syntax for the Metadata Attribute value will state, in some form, the id of the Metadata Attribute. 187 187 ))) 188 -| |+child| (% style="width:515px" %)Association to a child Metadata Attribute value consistent with the hierarchy defined in the MSD for the Metadata Attribute for which this child is a Metadata Attribute value.189 -|//UncodedMetadataAttributeValue//|((( 190 +| |+child|Association to a child Metadata Attribute value consistent with the hierarchy defined in the MSD for the Metadata Attribute for which this child is a Metadata Attribute value. 191 +|//UncodedMetadataAttr ibuteValue//|((( 190 190 Inherits from 191 -//MetadataAttributeValue// 193 + 194 +//MetadataAttributeValu e// 195 + 192 192 Sub class: 197 + 193 193 XHTMLAttributeValue 199 + 194 194 TextAttributeValue 195 -OtherUncodedAttributeValue 196 -)))|(% style="width:515px" %)The content of a Metadata Attribute value where this is textual. 197 -|XHTMLAttributeValue| |(% style="width:515px" %)This contains XHTML 198 -| |value|(% style="width:515px" %)The string value of the XHTML 199 -|TextAttributeValue| |(% style="width:515px" %)This value of a Metadata Attribute value where the content is human-readable text. 200 -| |text|(% style="width:515px" %)The string value is text. This can be present in multiple language versions. 201 -|OtherUncodedAttributeValue| |(% style="width:515px" %)The value of a Metadata Attribute value where the content is not of humanreadable text. 202 -| |value|(% style="width:515px" %)A text string that is consistent in format to that defined in the Representation of the Metadata Attribute for which this is a Metadata Attribute value. 203 -| |startTime|(% style="width:515px" %)This attribute is only used if the textFormat of the Metadata Attribute is of the Timespan type in the Metadata Structure Definition (in which case the value field takes a duration). 204 -|CodedMetadataAttributeValue|((( 201 + 202 +OtherUncodedAttribute 203 + 204 +Value 205 +)))|The content of a Metadata Attribute value where this is textual. 206 +|XHTMLAttributeValue| |This contains XHTML 207 +| |value|The string value of the XHTML 208 +|TextAttributeValue| |This value of a Metadata Attribute value where the content is human-readable text. 209 +| |text|The string value is text. This can be present in multiple language versions. 210 +|OtherUncodedAttribu teValue| |The value of a Metadata Attribute value where the content is not of humanreadable text. 211 +| |value|A text string that is consistent in format to that defined in the Representation of the Metadata Attribute for which this is a Metadata Attribute value. 212 +| |startTime|This attribute is only used if the textFormat of the Metadata Attribute is of the Timespan type in the Metadata Structure Definition (in which case the value field takes a duration). 213 +|CodedMetadataAttrib uteValue|((( 205 205 Inherits from 206 -//MetadataAttributeValue// 207 -)))|(% style="width:515px" %)The content of a Metadata Attribute value that is taken from a Code in a Code list. 208 -| |value|(% style="width:515px" %)The Code value of the Metadata Attribute value. 209 -| |+value|(% style="width:515px" %)((( 215 + 216 +//MetadataAttributeValu e// 217 +)))|The content of a Metadata Attribute value that is taken from a Code in a Code list. 218 +| |value|The Code value of the Metadata Attribute value. 219 +| |+value|((( 210 210 Association to a Code in the Code list specified in the Representation of the Metadata Attribute for which this Metadata Attribute value is the value. 211 211 212 212 Note that this shows the conceptual link to the Item that is the value. In reality, the value itself will be contained in the Coded Metadata Attribute Value.
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