Changes for page 3 SDMX Base Package
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... ... @@ -1,6 +1,4 @@ 1 -{{box title="**Contents**"}} 2 -{{toc/}} 3 -{{/box}} 1 += {{id name="_Toc370967"/}}3 SDMX Base Package = 4 4 5 5 == {{id name="_Toc370968"/}}3.1 Introduction == 6 6 ... ... @@ -8,9 +8,9 @@ 8 8 9 9 The motivation for establishing the SDMX Base package is as follows: 10 10 11 -* it is accepted “Best Practise” to identify fundamental archetypes occurring in a model 12 -* identification of commonly found structures or “patterns” leads to easier understanding 13 -* identification of patterns encourages re-use 9 +* it is accepted “Best Practise” to identify fundamental archetypes occurring in a model// // 10 +* identification of commonly found structures or “patterns” leads to easier understanding// // 11 +* identification of patterns encourages re-use// // 14 14 15 15 Each of the class diagrams in this section views classes from the SDMX Base package from a different perspective. There are detailed views of specific patterns, plus overviews showing inheritance between classes, and relationships amongst classes. 16 16 ... ... @@ -48,28 +48,28 @@ 48 48 49 49 //IdentifiableArtefact// 50 50 )))|Objects of classes derived from this can have attached annotations. 51 -|Annotation| 52 -| 49 +|Annotation||Additional descriptive information attached to an object. 50 +||id|((( 53 53 Identifier for the Annotation. 54 54 55 55 It can be used to disambiguate one Annotation from another where there are several Annotations for the same annotated object. 56 56 ))) 57 -| 58 -| 59 -| 60 -| 55 +||title// //|A title used to identify an annotation. 56 +||type|Specifies how the annotation is to be processed. 57 +||url|A link to external descriptive text. 58 +||+text|An International String provides the multilingual text content of the annotation via this role. 61 61 |//IdentifiableArtefact//|((( 62 62 Superclass is 63 63 64 64 //AnnotableArtefact// 65 65 66 -Base inheritance sub classes are~:// 64 +Base inheritance sub classes are~:// // 67 67 68 68 //NameableArtefact// 69 69 )))|Provides identity to all derived classes. It also provides annotations to derived classes because it is a subclass of Annotable Artefact. 70 -| 71 -| 72 -| 68 +||id|The unique identifier of the object. 69 +||uri|Universal resource identifier that may or may not be resolvable. 70 +||urn|Universal resource name – this is for use in registries: all registered objects have a urn. 73 73 |//NameableArtefact//|((( 74 74 Superclass is 75 75 ... ... @@ -77,12 +77,12 @@ 77 77 78 78 //VersionableArtefact// 79 79 )))|Provides a Name and Description to all derived classes in addition to identification and annotations. 80 -| 81 -| 82 -|InternationalString| 83 -|LocalisedString| 84 -| 85 -| 78 +||+description|A multi-lingual description is provided by this role via the International String class. 79 +||+name|A multi-lingual name is provided by this role via the International String class 80 +|InternationalString||The International String is a collection of Localised Strings and supports the representation of text in multiple locales. 81 +|LocalisedString||The Localised String supports the representation of text in one locale (locale is similar to language but includes geographic variations such as Canadian French, US English etc.). 82 +||label|Label of the string. 83 +||locale|The geographic locale of the string e.g French, Canadian French. 86 86 |//VersionableArtefact//|((( 87 87 Superclass is 88 88 ... ... @@ -90,20 +90,20 @@ 90 90 91 91 //MaintainableArtefact// 92 92 )))|Provides versioning information for all derived objects. 93 -| 94 -| 95 -| 91 +||version|A version string following an agreed convention 92 +||validFrom|Date from which the version is valid 93 +||validTo|Date from which version is superceded 96 96 |//MaintainableArtefact//|((( 97 97 Inherits from 98 98 99 99 //VersionableArtefact// 100 100 )))|An abstract class to group together primary structural metadata artefacts that are maintained by an Agency. 101 -| 102 -| 103 -| 104 -| 105 -| 106 -|Agency| 99 +||final|Defines whether a maintained artefact is draft or final. 100 +||isExternalReference|If set to “true” it indicates that the content of the object is held externally. 101 +||structureURL|The URL of an SDMX-ML document containing the external object. 102 +||serviceURL|The URL of an SDMX-compliant web service from which the external object can be retrieved. 103 +||+maintainer// //|Association to the Maintenance Agency responsible for maintaining the artefact. 104 +|Agency||See section on “Organisations” 107 107 108 108 == {{id name="_Toc370972"/}}3.3 Basic Inheritance == 109 109 ... ... @@ -209,7 +209,7 @@ 209 209 210 210 Codelist 211 211 )))|The descriptive information for an arrangement or division of objects into groups based on characteristics, which the objects have in common. 212 -| 210 +||((( 213 213 ReportingTaxonomy 214 214 215 215 //OrganisationScheme// ... ... @@ -225,9 +225,9 @@ 225 225 VtlMappingScheme 226 226 227 227 UserDefinedOperatorScheme 228 -)))| 229 -| 230 -| 226 +)))| 227 +||isPartial|Denotes whether the Item Scheme contains a sub set of the full set of Items in the maintained scheme. 228 +||items|Association to the Items in the scheme. 231 231 |//Item//|((( 232 232 Inherits from: 233 233 ... ... @@ -255,13 +255,13 @@ 255 255 256 256 VtlMapping 257 257 258 -UserDefinedOperator// 256 +UserDefinedOperator// // 259 259 )))|((( 260 260 The Item is an item of content in an Item Scheme. This may be a node in a taxonomy or ontology, a code in a code list etc. 261 261 262 262 Note that at the conceptual level the Organisation is not hierarchic 263 263 ))) 264 -| 262 +||hierarchy|This allows an Item optionally to have one or more child Items. 265 265 266 266 == {{id name="_Toc370982"/}}3.6 The Structure Pattern == 267 267 ... ... @@ -328,9 +328,9 @@ 328 328 329 329 DataflowDefinition 330 330 331 -MetadataflowDefinition// 329 +MetadataflowDefinition// // 332 332 )))|An artefact whose components are described by a Structure. In concrete terms (sub-classes) an example would be a Dataflow Definition which is linked to a given structure – in this case the Data Structure Definition. 333 -| 331 +||structure|An association to a Structure specifying the structure of the artefact. 334 334 |//Structure//|((( 335 335 Inherits from: 336 336 ... ... @@ -346,7 +346,7 @@ 346 346 347 347 Definition 348 348 )))|Abstract specification of a list of lists to define a complex tabular structure. A concrete example of this would be statistical concepts, code lists, and their organisation in a data or metadata structure definition, defined by a centre institution, usually for the exchange of statistical information with its partners. 349 -| 347 +||grouping|A composite association to one or more component lists. 350 350 |//ComponentList//|((( 351 351 Inherits from: 352 352 ... ... @@ -368,7 +368,7 @@ 368 368 369 369 ReportStructure 370 370 )))|An abstract definition of a list of components. A concrete example is a Dimension Descriptor which defines the list of Dimensions in a Data Structure Definition. 371 -| 369 +||components|An aggregate association to one or more components which make up the list. 372 372 |//Component//|((( 373 373 Inherits from: 374 374 ... ... @@ -386,20 +386,20 @@ 386 386 387 387 MetadataAttribute 388 388 )))|A component is an abstract super class used to define qualitative and quantitative data and metadata items that belong to a Component List and hence a Structure. Component is refined through its sub-classes. 389 -| 390 -| 391 -|Representation| 392 -| 393 -| 394 -|Facet| 395 -| 396 -| 387 +||conceptIdentity|Association to a Concept in a Concept Scheme that identifies and defines the semantic of the Component 388 +||localRepresentation|Association to the Representation of the Component if this is different from the coreRepresentation of the Concept which the Component uses (ConceptUsage) 389 +|Representation||The allowable value or format for Component or Concept 390 +||+enumerated|Association to an enumerated list that contains the allowable content for the Component when reported in a data or metadata set. The type of enumerated list that is allowed for any concrete Component is shown in the constraints on the association (e.g. Identifier Component can have any of the sub classes of Item Scheme, whereas Measure Dimension must have a Concept Scheme). 391 +||+nonEnumerated|Association to a set of Facets that define the allowable format for the content of the Component when reported in a data or metadata set. 392 +|Facet||Defines the format for the content of the Component when reported in a data or metadata set. 393 +||facetType|A specific content type which is constrained by the FacetType enumeration 394 +||facetValueType|((( 397 397 The format of the value of a Component when reported in a data or metadata set. 398 398 399 399 This is contrained by the FacetValueType enumeration. 400 400 ))) 401 -| 402 -|ExtendedFacet| 399 +||+itemSchemeFacet|Defines the format of the identifiers in an Item Scheme used by a Component. Typically this would define the number of characters (length) of the identifier. 400 +|ExtendedFacet||This has the same function as Facet but allows additionally an XHTML representation. This is constrained for use with a Metadata Attribute 403 403 404 404 The specification of the content and use of the sub classes to ,,ComponentList,, and ,,Component,, can be found in the section in which they are used (DataStructureDefinition and MetadataStructureDefinition) 405 405 ... ... @@ -407,7 +407,7 @@ 407 407 408 408 The majority of SDMX FacetValueTypes are compatible with those found in XML Schema, 818 and have equivalents in most current implementation platforms: 409 409 410 -: 408 +: 411 411 412 412 ((( 413 413 |**SDMX Facet Value Type**|**XML Schema Data Type **|**.NET Framework Type**|**Java Data Type** ... ... @@ -434,13 +434,13 @@ 434 434 435 435 The ,,Representation,, is composed of ,,Facet,,s, each of which conveys characteristic 826 information related to the definition of a value domain. Often a set of Facets are needed to 827 convey the required semantic. For example, a sequence is defined by a minimum of two 828 Facets: one to define the start value, and one to define the interval. 436 436 437 -: 435 +: 438 438 439 439 ((( 440 -|**Facet Type**|**Explanation**| 441 -|isSequence|The isSequence facet indicates whether the values are intended to be ordered, and it may work in combination with the interval, startValue, and endValue facet or the timeInterval, startTime, and endTime, facets. If this attribute holds a value of true, a start value or time and a numeric or time interval must supplied. If an end value is not given, then the sequence continues indefinitely.| 442 -|interval|The interval attribute specifies the permitted interval (increment) in a| 443 -| 438 +|**Facet Type**|**Explanation**| 439 +|isSequence|The isSequence facet indicates whether the values are intended to be ordered, and it may work in combination with the interval, startValue, and endValue facet or the timeInterval, startTime, and endTime, facets. If this attribute holds a value of true, a start value or time and a numeric or time interval must supplied. If an end value is not given, then the sequence continues indefinitely.| 440 +|interval|The interval attribute specifies the permitted interval (increment) in a| 441 +||(% colspan="2" %)sequence. In order for this to be used, the isSequence attribute must have a value of true. 444 444 |startValue|(% colspan="2" %)The startValue facet is used in conjunction with the isSequence and interval facets (which must be set in order to use this facet). This facet is used for a numeric sequence, and indicates the starting point of the sequence. This value is mandatory for a numeric sequence to be expressed. 445 445 |endValue|(% colspan="2" %)The endValue facet is used in conjunction with the isSequence and interval facets (which must be set in order to use this facet). This facet is used for a numeric sequence, and indicates that ending point (if any) of the sequence. 446 446 |timeInterval|(% colspan="2" %)The timeInterval facet indicates the permitted duration in a time sequence. In order for this to be used, the isSequence facet must have a value of true.
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