Changes for page SDMX 3.1 Standards. Section 5. Registry Specification: Logical Interfaces

Last modified by Artur on 2025/09/30 13:28

From 21.12 to 21.13 From 22.8 to 22.9

From version 21.13

edited by Helena
on 2025/06/08 16:42

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To version 22.8

edited by Helena
on 2025/06/08 16:55

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@@ -163,9 +163,8 @@
  The registry interfaces are invoked in one of two ways:
--*
--*1. The interface is the name of the root node of the SDMX-ML document
--*1. The interface is invoked as a child element of the RegistryInterface message where the RegistryInterface is the root node of the SDMX-ML document.
++1. The interface is the name of the root node of the SDMX-ML document
++1. The interface is invoked as a child element of the RegistryInterface message where the RegistryInterface is the root node of the SDMX-ML document.
  In addition to these interfaces the registry must support a mechanism for submitting and querying for structural metadata. This is detailed in sections 5.2.2 and 5.2.3.
@@ -181,15 +181,15 @@
  === 5.2.2 Structure Submission Service ===
--The registry must support a mechanism for submitting structural metadata. This mechanism can be the SDMX REST interface for structural metadata (this is defined in the corresponding GitHub project, dedicated to the SDMX REST API: __[[https:~~/~~/github.com/sdmx>>url:https://github.com/sdmx-twg/sdmx-rest]][[->>url:https://github.com/sdmx-twg/sdmx-rest]][[twg/sdmx>>url:https://github.com/sdmx-twg/sdmx-rest]][[->>url:https://github.com/sdmx-twg/sdmx-rest]][[rest>>url:https://github.com/sdmx-twg/sdmx-rest]]__[[)>>url:https://github.com/sdmx-twg/sdmx-rest]]. In order for the architecture to be scalable, the finest-grained piece of structural metadata that can be processed by the SDMX-RR is a MaintainableArtefact, with the exception of Item Schemes, where changes at an Item level is also possible (see next section on the SDMX Information Model).
++The registry must support a mechanism for submitting structural metadata. This mechanism can be the SDMX REST interface for structural metadata (this is defined in the corresponding GitHub project, dedicated to the SDMX REST API: [[__https:~~/~~/github.com/sdmx-twg/sdmx-rest__>>https://https:github.comsdmx-twgsdmx-rest]]). In order for the architecture to be scalable, the finest-grained piece of structural metadata that can be processed by the SDMX-RR is a MaintainableArtefact, with the exception of Item Schemes, where changes at an Item level is also possible (see next section on the SDMX Information Model).
  === 5.2.3 Structure Query Service ===
--The registry must support a mechanism for querying for structural metadata. This mechanism can be the SDMX REST interface for structural metadata (this is defined in the corresponding GitHub project, dedicated to the SDMX REST API: __[[https:~~/~~/github.com/sdmx>>url:https://github.com/sdmx-twg/sdmx-rest]][[->>url:https://github.com/sdmx-twg/sdmx-rest]][[twg/sdmx>>url:https://github.com/sdmx-twg/sdmx-rest]][[->>url:https://github.com/sdmx-twg/sdmx-rest]][[rest>>url:https://github.com/sdmx-twg/sdmx-rest]]__[[)>>url:https://github.com/sdmx-twg/sdmx-rest]]. The registry response to this query mechanism is the SDMX Structure message, which has as its root node:
++The registry must support a mechanism for querying for structural metadata. This mechanism can be the SDMX REST interface for structural metadata (this is defined in the corresponding GitHub project, dedicated to the SDMX REST API: [[__https:~~/~~/github.com/sdmx-twg/sdmx-rest__>>https://https:github.comsdmx-twgsdmx-rest]]). The registry response to this query mechanism is the SDMX Structure message, which has as its root node:
--• Structure
++* Structure
--The SDMX structural artefacts that may be queried are defined in the SDMX structure web service specification which is compatible with this release of the standard __[[https:~~/~~/github.com/sdmx>>url:https://github.com/sdmx-twg/sdmx-rest/blob/master/doc/structures.md]][[->>url:https://github.com/sdmx-twg/sdmx-rest/blob/master/doc/structures.md]][[twg/sdmx>>url:https://github.com/sdmx-twg/sdmx-rest/blob/master/doc/structures.md]][[->>url:https://github.com/sdmx-twg/sdmx-rest/blob/master/doc/structures.md]][[rest/blob/master/doc/structures.md>>url:https://github.com/sdmx-twg/sdmx-rest/blob/master/doc/structures.md]]__[[url:https://github.com/sdmx-twg/sdmx-rest/blob/master/doc/structures.md]]
++The SDMX structural artefacts that may be queried are defined in the SDMX structure web service specification which is compatible with this release of the standard __[[https:~~/~~/github.com/sdmx-twg/sdmx-rest/blob/master/doc/structures.md>>https://github.com/sdmx-twg/sdmx-rest/blob/master/doc/structures.md]] __[[https:~~/~~/github.com/sdmx-twg/sdmx-rest/blob/master/doc/structures.md>>https://github.com/sdmx-twg/sdmx-rest/blob/master/doc/structures.md]]
  === 5.2.4 Data and Reference Metadata Registration Service ===
@@ -271,7 +271,7 @@
 . If the action is set to “delete” (or a maintainable Artefact is DELETEd) then the Registry MUST verify that the object can be deleted. In order to qualify for deletion, the object must:
  a) Be a draft version.
--b) Not be explicitly^^[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)^^1^^>>path:#sdfootnote1sym||name="sdfootnote1anc"]](%%)^^ referenced from any other object in the Registry.
++b) Not be explicitly{{footnote}}With semantic versioning, it is allowed to reference a range of artefacts, e.g., a DSD referencing a Codelist with version 1.2.3+ means all patch versions greater than 1.2.3. This means that deleting 1.2.4draft does not break integrity of the aforementioned DSD.{{/footnote}} referenced from any other object in the Registry.
 ) The semantic versioning rules in the SDMX documentation MUST be obeyed.
  )))
@@ -305,47 +305,40 @@
  * //Versionable//
  * //Maintainable//
--| |(% colspan="2" %)**Object Type**|(% colspan="2" %)**Data Attributes**|(% colspan="2" %)**Status**|(% colspan="2" %)**Data type**|(% colspan="2" %)**Notes**
--| |(% colspan="2" rowspan="4" %)//Annotable//|(% colspan="2" %)AnnotationTitle|(% colspan="2" %)C|(% colspan="2" %)string|(% colspan="2" %)
--| |(% colspan="2" %)AnnotationType|(% colspan="2" %)C|(% colspan="2" %)string|(% colspan="2" %)
--| |(% colspan="2" %)AnnotationURN|(% colspan="2" %)C|(% colspan="2" %)string|(% colspan="2" %)
--| |(% colspan="2" %)(((
--AnnotationText in the form of
--
--InternationalString
++(% style="width:1038.83px" %)
++|(% colspan="2" %)**Object Type**|(% colspan="2" %)**Data Attributes**|(% colspan="2" %)**Status**|(% colspan="2" %)**Data type**|(% colspan="2" %)**Notes**
++|(% colspan="2" rowspan="4" %)//Annotable//|(% colspan="2" %)AnnotationTitle|(% colspan="2" %)C|(% colspan="2" %)string|(% colspan="2" %)
++|(% colspan="2" %)AnnotationType|(% colspan="2" %)C|(% colspan="2" %)string|(% colspan="2" %)
++|(% colspan="2" %)AnnotationURN|(% colspan="2" %)C|(% colspan="2" %)string|(% colspan="2" %)
++|(% colspan="2" %)(((
++AnnotationText in the form of InternationalString
  )))|(% colspan="2" %)C|(% colspan="2" %) |(% colspan="2" %)This can have languagespecific variants
--| |(% colspan="2" rowspan="4" %)//Identifiable//|(% colspan="2" %)All content as for //Annotable// plus|(% colspan="2" %) |(% colspan="2" %) |(% colspan="2" %)
--| |(% colspan="2" %)id|(% colspan="2" %)M|(% colspan="2" %)string|(% colspan="2" %)
--| |(% colspan="2" %)uri|(% colspan="2" %)C|(% colspan="2" %)string|(% colspan="2" %)
--| |(% colspan="2" %)urn|(% colspan="2" %)C|(% colspan="2" %)string|(% colspan="2" %)Although the urn is computable and therefore may not be submitted or stored physically, the Registry must return the urn for each object, and must be able to service a query on an object referenced solely by its urn.
--| |(% colspan="2" rowspan="3" %)//Nameable//|(% colspan="2" %)(((
--All content as for
--
--//Identifiable// plus
++|(% colspan="2" rowspan="4" %)//Identifiable//|(% colspan="2" %)All content as for //Annotable// plus|(% colspan="2" %) |(% colspan="2" %) |(% colspan="2" %)
++|(% colspan="2" %)id|(% colspan="2" %)M|(% colspan="2" %)string|(% colspan="2" %)
++|(% colspan="2" %)uri|(% colspan="2" %)C|(% colspan="2" %)string|(% colspan="2" %)
++|(% colspan="2" %)urn|(% colspan="2" %)C|(% colspan="2" %)string|(% colspan="2" %)Although the urn is computable and therefore may not be submitted or stored physically, the Registry must return the urn for each object, and must be able to service a query on an object referenced solely by its urn.
++|(% colspan="2" rowspan="3" %)//Nameable//|(% colspan="2" %)(((
++All content as for //Identifiable// plus
  )))|(% colspan="2" %) |(% colspan="2" %) |(% colspan="2" %)
--| |(% colspan="2" %)(((
--Name in the form of
--
--InternationalString
++|(% colspan="2" %)(((
++Name in the form of InternationalString
  )))|(% colspan="2" %)M|(% colspan="2" %)string|(% colspan="2" %)This can have language specific variants.
--| |(% colspan="2" %)(((
--Description in the form of
--
--InternationalString
++|(% colspan="2" %)(((
++Description in the form of InternationalString
  )))|(% colspan="2" %)C|(% colspan="2" %)string|(% colspan="2" %)This can have language specific variants.
--| |(% colspan="2" rowspan="4" %)//Versionable//|(% colspan="2" %)(((
++|(% colspan="2" rowspan="4" %)//Versionable//|(% colspan="2" %)(((
  All content as for
  //Identifiable// plus
  )))|(% colspan="2" %) |(% colspan="2" %) |(% colspan="2" %)
--| |(% colspan="2" %)version|(% colspan="2" %)M|(% colspan="2" %)string|(% colspan="2" %)This is the version number according to SDMX versioning rules.
--| |(% colspan="2" %)validFrom|(% colspan="2" %)C|(% colspan="2" %)Date/time|(% colspan="2" %)
--| |(% colspan="2" %)validTo|(% colspan="2" %)C|(% colspan="2" %)Date/time|(% colspan="2" %)
--|(% colspan="2" rowspan="5" %)//Maintainable//|(% colspan="2" %)All content as for //Versionable// plus|(% colspan="2" %) |(% colspan="2" %) |(% colspan="2" %) |
--|(% colspan="2" %)isExternalReference|(% colspan="2" %)C|(% colspan="2" %)boolean|(% colspan="2" %)Value of “true” indicates that the actual resource is held outside of this registry. The actual reference is given in the registry URI or the structureURL, each of which must return a valid SDMX-ML file.|
--|(% colspan="2" %)serviceURL|(% colspan="2" %)C|(% colspan="2" %)string|(% colspan="2" %)The url of the service that can be queried for this resource.|
--|(% colspan="2" %)structureURL|(% colspan="2" %)C|(% colspan="2" %)string|(% colspan="2" %)The url of the resource.|
--|(% colspan="2" %)(Maintenance) organisationId|(% colspan="2" %)M|(% colspan="2" %)string|(% colspan="2" %)The object must be linked to a maintenance organisation, i.e., Agency or Metadata Provider.|
++|(% colspan="2" %)version|(% colspan="2" %)M|(% colspan="2" %)string|(% colspan="2" %)This is the version number according to SDMX versioning rules.
++|(% colspan="2" %)validFrom|(% colspan="2" %)C|(% colspan="2" %)Date/time|(% colspan="2" %)
++|(% colspan="2" %)validTo|(% colspan="2" %)C|(% colspan="2" %)Date/time|(% colspan="2" %)
++|(% colspan="2" %)//Maintainable//|(% colspan="2" %)All content as for //Versionable// plus|(% colspan="2" %) |(% colspan="2" %) |(% colspan="2" %)
++|(% colspan="2" %) |(% colspan="2" %)isExternalReference|(% colspan="2" %)C|(% colspan="2" %)boolean|(% colspan="2" %)Value of “true” indicates that the actual resource is held outside of this registry. The actual reference is given in the registry URI or the structureURL, each of which must return a valid SDMX-ML file.
++|(% colspan="2" %) |(% colspan="2" %)serviceURL|(% colspan="2" %)C|(% colspan="2" %)string|(% colspan="2" %)The url of the service that can be queried for this resource.
++|(% colspan="2" %) |(% colspan="2" %)structureURL|(% colspan="2" %)C|(% colspan="2" %)string|(% colspan="2" %)The url of the resource.
++|(% colspan="2" %) |(% colspan="2" %)(Maintenance) organisationId|(% colspan="2" %)M|(% colspan="2" %)string|(% colspan="2" %)The object must be linked to a maintenance organisation, i.e., Agency or Metadata Provider.
  **Table 1: Common Attributes of Object Types**
@@ -369,11 +369,9 @@
  * Agencies registered in the top-level scheme can themselves maintain a single Agency Scheme. Agencies in these second-tier schemes can themselves maintain a single Agency Scheme and so on.
  * The AgencyScheme has a fixed version, i.e., ‘1.0’, hence it is an exception from the Semantic Versioning that other Artefacts follow.
  * There can be only one AgencyScheme maintained by any one Agency. It has a fixed id of AGENCIES.
++* The /hierarchy of Organisation is not inherited by Maintenance Agency – thus each Agency Scheme is a flat list of Maintenance Agencies.
++* The format of the agency identifier is agencyID.agencyID etc. The top-level agency in this identification mechanism is the agency registered in the SDMX agency scheme. In other words, SDMX is not a part of the hierarchical ID structure for agencies. However, SDMX is, itself, a maintenance agency and is contained in the top-level Agency Scheme.
--• The /hierarchy of Organisation is not inherited by Maintenance Agency – thus each Agency Scheme is a flat list of Maintenance Agencies.
--
--• The format of the agency identifier is agencyID.agencyID etc. The top-level agency in this identification mechanism is the agency registered in the SDMX agency scheme. In other words, SDMX is not a part of the hierarchical ID structure for agencies. However, SDMX is, itself, a maintenance agency and is contained in the top-level Agency Scheme.
--
  This supports a hierarchical structure of agencyID.
  An example is shown below.
@@ -604,7 +604,7 @@
  (% style="width:1272.83px" %)
  |(% style="width:290px" %)**Classname**|(% style="width:649px" %)**Ending URN pattern**|(% style="width:332px" %)**Example**
--|(% style="width:290px" %)Agency^^[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)^^2^^>>path:#sdfootnote2sym||name="sdfootnote2anc"]](%%)^^|(% style="width:649px" %)agencySchemeAgencyId:**AGENCIES**(**1.0**).agencyId|(% style="width:332px" %)ECB:**AGENCIES**(**1.0**).AA
++|(% style="width:290px" %)Agency^^[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)^^2^^>>path:#sdfootnote2sym||name="sdfootnote2anc"]](%%)^^|(% style="width:649px" %)agencySchemeAgencyId:**AGENCIES**(**1.0**).agencyId|(% style="width:332px" %)ECB:**AGENCIES**(**1.0**).AA
  |(% style="width:290px" %)//AgencyScheme//|(% style="width:649px" %)agencySchemeAgencyId:**AGENCIES**(**1.0**)|(% style="width:332px" %)ECB:**AGENCIES**(**1.0**)
  |(% style="width:290px" %)//Categorisation//|(% style="width:649px" %)categorisationAgencyId:categorisationId(version)|(% style="width:332px" %)IMF:cat001(1.0.0)
  |(% style="width:290px" %)Category|(% style="width:649px" %)categorySchemeAgencyId:categorySchemeId(versi on).categoryId.categoryId.categoryId etc.|(% style="width:332px" %)IMF:SDDS(1.0.0):level_1_category.level_2_category …
@@ -809,7 +809,7 @@
  The artefacts included in the structural definitions are:
  * All types of Item Scheme (Codelist, Concept Scheme, Category Scheme, Organisation Scheme, Agency Scheme, Data Provider Scheme, Metadata Provider Scheme, Data Consumer Scheme, Organisation Unit Scheme, Transformation Scheme, Name Personalisation Scheme, Custom Type Scheme, Vtl Mapping Scheme, Ruleset Scheme, User Defined Operator Scheme)
--* All types of Enumerated List (ValueList)^^[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)^^3^^>>path:#sdfootnote3sym||name="sdfootnote3anc"]](%%)^^
++* All types of Enumerated List (ValueList)^^[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)^^3^^>>path:#sdfootnote3sym||name="sdfootnote3anc"]](%%)^^
  * All types of Structure (Data Structure Definition, Metadata Structure Definition)
  * All types of Structure Usage (Dataflow, Metadataflow)
@@ -1004,7 +1004,7 @@
  **Figure 18: Logical class diagram showing the registration response**
--=== {{id name="_Toc90826"/}}7.5 Subscription and Notification Service ===
++== 7.5 Subscription and Notification Service ==
  The contents of the SDMX Registry/Repository will change regularly: new code lists and key families will be published and new datasets and metadata-sets will be registered. To obviate the need for users to repeatedly query the registry to see when new information is available, a mechanism is provided to allow users to be notified when these events happen.
@@ -1012,13 +1012,13 @@
  When a registry/repository artefact is modified, any subscriptions which are observing the object are activated, and either an email or HTTP POST is instigated to report details of the changes to the user specified in the subscription. This is called a “notification”.
--===== {{id name="_Toc90827"/}}7.5.1 Subscription Logical Class Diagram =====
++=== 7.5.1 Subscription Logical Class Diagram ===
  [[image:SDMX 3.1 Section 5_en_1433df5d.jpg||height="680" width="587"]]
  **Figure 19: Logical Class Diagram of the Subscription**
--===== {{id name="_Toc90828"/}}7.5.2 Subscription Information =====
++=== 7.5.2 Subscription Information ===
  Regardless of the type of registry/repository events being observed, a subscription always contains:
@@ -1027,18 +1027,16 @@
 . A validity period which defines both when the subscription becomes active and expires. The subscriber may be sent a notification on expiration of the subscription.
 . A selector which specifies which type of events are of interest. The set of event types is:
--:
--::
--
  (((
--|**Event Type**|**Comment**
--|STRUCTURAL_REPOSITORY_EVENTS|Life-cycle changes to Maintainable Artefacts in the structural metadata repository.
--|DATA_REGISTRATION_EVENTS|Whenever a published dataset is registered. This can be either a SDMXML data file or an SDMX conformant database.
--|METADATA_REGISTRATION_EVENTS|Whenever a published metadataset is registered. This can be either a SDMXML reference metadata file or an SDMX conformant database.
--|ALL_EVENTS|All events of the specified EventType
++(% style="width:1061.83px" %)
++|**Event Type**|(% style="width:660px" %)**Comment**
++|STRUCTURAL_REPOSITORY_EVENTS|(% style="width:660px" %)Life-cycle changes to Maintainable Artefacts in the structural metadata repository.
++|DATA_REGISTRATION_EVENTS|(% style="width:660px" %)Whenever a published dataset is registered. This can be either a SDMXML data file or an SDMX conformant database.
++|METADATA_REGISTRATION_EVENTS|(% style="width:660px" %)Whenever a published metadataset is registered. This can be either a SDMXML reference metadata file or an SDMX conformant database.
++|ALL_EVENTS|(% style="width:660px" %)All events of the specified EventType
  )))
--===== {{id name="_Toc90829"/}}7.5.3 Wildcard Facility =====
++=== 7.5.3 Wildcard Facility ===
  Subscription notification supports wildcarded identifier components URNs, which are identifiers which have some or all of their component parts replaced by the wildcard character `*`. Identifier components comprise:
@@ -1094,30 +1094,29 @@
  The complete SDMX versioning syntax can be found in the SDMX Standards Section 6 “Technical Notes”, paragraph “4.3 Versioning”.
--===== {{id name="_Toc90830"/}}7.5.4 Structural Repository Events =====
++=== 7.5.4 Structural Repository Events ===
  Whenever a maintainable artefact (data structure definition, concept scheme, codelist, metadata structure definition, category scheme, etc.) is added to, deleted from, or modified in the structural metadata repository, a structural metadata event is triggered. Subscriptions may be set up to monitor all such events, or focus on specific artefacts such as a Data Structure Definition.
--===== {{id name="_Toc90831"/}}7.5.5 Registration Events =====
++=== 7.5.5 Registration Events ===
  Whenever a dataset or metadata-set is registered a registration event is created. A subscription may be observing all data or metadata registrations, or it may focus on specific registrations as shown in the table below:
--:
--
  (((
--|**Selector**|**Comment**
--|DataProvider|Any datasets registered by the specified dataprovider will activate the notification.
--|ProvisionAgreement|Any datasets for the agreement will activate the notification.
--|Dataflow|Any datasets for the specified dataflow will activate the notification.
--|DataStructureDefinition|Any datasets for those dataflows that are based on the specified Data Structure Definition will activate the notification
--|Category|Any datasets registered for those dataflows, provision agreements that are categorised by the category.
++(% style="width:1082.83px" %)
++|(% style="width:230px" %)**Selector**|(% style="width:850px" %)**Comment**
++|(% style="width:230px" %)DataProvider|(% style="width:850px" %)Any datasets registered by the specified dataprovider will activate the notification.
++|(% style="width:230px" %)ProvisionAgreement|(% style="width:850px" %)Any datasets for the agreement will activate the notification.
++|(% style="width:230px" %)Dataflow|(% style="width:850px" %)Any datasets for the specified dataflow will activate the notification.
++|(% style="width:230px" %)DataStructureDefinition|(% style="width:850px" %)Any datasets for those dataflows that are based on the specified Data Structure Definition will activate the notification
++|(% style="width:230px" %)Category|(% style="width:850px" %)Any datasets registered for those dataflows, provision agreements that are categorised by the category.
  )))
  The event will also capture the semantic of the registration: deletion or replacement of an existing registration or a new registration.
--== {{id name="_Toc90832"/}}7.6 Notification ==
++== 7.6 Notification ==
--==== {{id name="_Toc90833"/}}7.6.1 Logical Class Diagram ====
++=== 7.6.1 Logical Class Diagram ===
  [[image:SDMX 3.1 Section 5_en_8bc1b889.jpg||height="379" width="579"]]
@@ -1134,15 +1134,15 @@
  Additionally, supplementary information may be contained in the notification as detailed below.
--==== {{id name="_Toc90834"/}}7.6.2 Structural Event Component ====
++=== 7.6.2 Structural Event Component ===
  The notification will contain the MaintainableArtefact that triggered the event in a form similar to the SDMX-ML structural message (using elements from that namespace).
--==== {{id name="_Toc90835"/}}7.6.3 Registration Event Component ====
++=== 7.6.3 Registration Event Component ===
  The notification will contain the Registration.
--[[1>>path:#sdfootnote1anc||name="sdfootnote1sym"]] With semantic versioning, it is allowed to reference a range of artefacts, e.g., a DSD referencing a Codelist with version 1.2.3+ means all patch versions greater than 1.2.3. This means that deleting 1.2.4draft does not break integrity of the aforementioned DSD.
++----
  [[2>>path:#sdfootnote2anc||name="sdfootnote2sym"]] The identification of an Agency in the URN structure for the maintainable object is by means of the agencyId. The AgencyScheme is not identified as SDMX has a mechanism for identifying an Agency uniquely by its Id. Note that this Id may be hierarchical. For example, a sub-agency of IMF is referred like this:
@@ -1149,3 +1149,5 @@
  IMF.SubAgency1
  [[3>>path:#sdfootnote3anc||name="sdfootnote3sym"]] Note that Codelist is also an EnumeratedList.
++
++{{putFootnotes/}}