Changes for page SDMX 2.1 Standards. Section 5. Registry Specification: Logical Interfaces

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4	4
5	5	**Revision History**
6	6
7		-|**Revision**|**Date**|**Contents**
8		-| |April 2011|Initial release
9		-|1.0|July 2011|Rectification of problems of the specifications dated April 2011
10		-|2.0|July 2020|Addition of VTL (Validation and Transformation Language) package, maintainable artefacts, nameable artefacts to 5.2.3, 6.2.2, 6.2.3, 6.2.4, 7.1.1
	7	+(% style="width:833.294px" %)
	8	+|(% style="width:122px" %)**Revision**|(% style="width:126px" %)**Date**|(% style="width:581px" %)**Contents**
	9	+|(% style="width:122px" %) |(% style="width:126px" %)April 2011|(% style="width:581px" %)Initial release
	10	+|(% style="width:122px" %)1.0|(% style="width:126px" %)July 2011|(% style="width:581px" %)Rectification of problems of the specifications dated April 2011
	11	+|(% style="width:122px" %)2.0|(% style="width:126px" %)July 2020|(% style="width:581px" %)Addition of VTL (Validation and Transformation Language) package, maintainable artefacts, nameable artefacts to 5.2.3, 6.2.2, 6.2.3, 6.2.4, 7.1.1
11	11
12	12	**Corrigendum**
13	13
...	...	@@ -288,27 +288,25 @@
288	288	* that a queryable data source exists - this would necessitate the registration service querying the service to determine its existence
289	289	* that a simple data source exists (i.e. a file accessible at a URL)
290	290	* that the correct Data Structure Definition or Metadata Structure Definition is used by the registered data that the components (Dimensions, Attributes, Measures, Identifier Components etc.) are consistent with the Data Structure Definition or Metadata Structure Definition
291		-*  that the valid representations of the concepts to which these components 382 correspond conform to the definition in the Data Structure Definition or Metadata Structure Definition
	292	+* that the valid representations of the concepts to which these components correspond conform to the definition in the Data Structure Definition or Metadata Structure Definition
292	292
293	293	3The Registration has an action attribute which takes one of the following values:
294	294
295		-|(% style="width:249px" %)(((
	296	+(% style="margin-left:auto; margin-right:auto" %)
	297	+|(% style="width:200px" %)(((
296	296	**Action Attribute Value**
297		-)))|(% style="width:1622px" %)**Behaviour**
298		-|(% style="width:249px" %)Append|(% style="width:1622px" %)Add this registration to the registry
299		-|(% style="width:249px" %)Replace|(% style="width:1622px" %)Replace the existing Registration with this Registration identified by the id in the Registration of the Submit Registration Request
300		-|(% style="width:249px" %)Delete|(% style="width:1622px" %)Delete the existing Registration identified by the id in the Registration of the Submit Registration Request
301		-
	299	+)))|(% style="width:1672px" %)**Behaviour**
	300	+|(% style="width:200px" %)Append|(% style="width:1672px" %)Add this registration to the registry
	301	+|(% style="width:200px" %)Replace|(% style="width:1672px" %)Replace the existing Registration with this Registration identified by the id in the Registration of the Submit Registration Request
	302	+|(% style="width:200px" %)Delete|(% style="width:1672px" %)Delete the existing Registration identified by the id in the Registration of the Submit Registration Request
302	302	The Registration has three Boolean attributes which may be present to determine how an SDMX compliant Dataset or Metadata Set indexing application must index the Datasets or Metadata Set upon registration. The indexing application behaviour is as follows:
303		-
304		-|**Boolean Attribute**|**Behaviour if Value is “true”**
305		-|indexTimeSeries|A compliant indexing application must index all the time series keys (for a Dataset registration) or metadata target values (for a Metadata Set registration)
306		-|indexDataSet|(((
	304	+|(% style="width:200px" %)**Boolean Attribute**|(% style="width:1672px" %)**Behaviour if Value is “true”**
	305	+|(% style="width:200px" %)indexTimeSeries|(% style="width:1672px" %)A compliant indexing application must index all the time series keys (for a Dataset registration) or metadata target values (for a Metadata Set registration)
	306	+|(% style="width:200px" %)indexDataSet|(% style="width:1672px" %)(((
307	307	A compliant indexing application must index the range of actual (present) values for each dimension of the Dataset (for a Dataset registration) or the range of actual (present) values for each Metadata Attribute which takes an enumerated value.
308		-
309	309	Note that for data this requires much less storage than full key indexing, but this method cannot guarantee that a specific combination of Dimension values (the Key) is actually present in the Dataset
310	310	)))
311		-|indexReportingPeriod|A compliant indexing application must index the time period range(s) for which data are present in the Dataset or Metadata Set
	310	+|(% style="width:200px" %)indexReportingPeriod|(% style="width:1672px" %)A compliant indexing application must index the time period range(s) for which data are present in the Dataset or Metadata Set
312	312
313	313	=== 5.2.5 Data and Reference Metadata Discovery ===
314	314
...	...	@@ -340,8 +340,8 @@
340	340
341	341	The following table defines the behaviour of the SDMX Registry for the various Registry Interface messages.
342	342
343		-|(% style="width:244px" %)**Interface**|**Behaviour**
344		-|(% style="width:244px" %)All|(((
	342	+|(% style="width:227px" %)**Interface**|(% style="width:1644px" %)**Behaviour**
	343	+|(% style="width:227px" %)All|(% style="width:1644px" %)(((
345	345	1) If the action is set to “replace” then the entire contents of the existing maintainable object in the Registry MUST be replaced by the object submitted, unless the final attribute is set to “true” in which case the only changes that are allowed are to the following constructs:
346	346
347	347	* Name – this applies to the Maintainable object and its contained elements, such a Code in a Code list.
...	...	@@ -355,7 +355,6 @@
355	355	* isExternalReference
356	356
357	357	2) Cross referenced structures MUST exist in either the submitted document (in Structures or Structure Location) or in the registry to which the request is submitted.
358		-
359	359	3) If the action is set to “delete” then the Registry MUST verify that the object can deleted. In order to qualify for deletion the object must:
360	360
361	361	а) Not have the final attribute set to “true”
...	...	@@ -362,12 +362,11 @@
362	362	b) Not be referenced from any other object in the Registry.
363	363
364	364	4) The version rules in the SDMX Schema documentation MUST be obeyed.
365		-
366	366	5) The specific rules for the elements and attributes documented in the SDMX Schema MUST be obeyed.
367	367	)))
368		-|(% style="width:244px" %)SubmitStructureRequest|Structures are submitted at the level of the Maintainable Artefact and the behaviour in “All” above is therefore at the level of the Maintainable Artefact.
369		-|(% style="width:244px" %)SubmitProvisioningRequest|No additional behaviour.
370		-|(% style="width:244px" %)Submit Registration Request|(((
	365	+|(% style="width:227px" %)SubmitStructureRequest|(% style="width:1644px" %)Structures are submitted at the level of the Maintainable Artefact and the behaviour in “All” above is therefore at the level of the Maintainable Artefact.
	366	+|(% style="width:227px" %)SubmitProvisioningRequest|(% style="width:1644px" %)No additional behaviour.
	367	+|(% style="width:227px" %)Submit Registration Request|(% style="width:1644px" %)(((
371	371	If the datasource is a file (simple datasource) then the file MAY be retrieved and indexed according to the Boolean attributes set in the Registration.
372	372	For a queryable datasource the Registry MAY validate that the source exists and can accept an SDMX-ML data query.
373	373	)))
...	...	@@ -490,7 +490,7 @@
490	490
491	491	The generic structure of the URN is as follows:
492	492
493		-SDMXprefix.SDMX-IM-package-name.class-name=agencyid:maintainedobject-id(maintainedobject-version).*containerobject-id.object-id
	490	+>SDMXprefix.SDMX-IM-package-name.class-name=agencyid:maintainedobject-id(maintainedobject-version).*containerobject-id.object-id
494	494
495	495	~* this can repeat and may not be present (see explanation below)
496	496
...	...	@@ -502,7 +502,7 @@
502	502
503	503	In the explanation below the actual object that is the target of the URN is called the **//actual object//**.
504	504
505		-**SDMXPrefix:** urn:sdmx:org.
	502	+**SDMXPrefix:** urn:sdmx:org.
506	506
507	507	**SDMX-IM package name:** sdmx.infomodel.package=
508	508
...	...	@@ -1174,7 +1174,7 @@
1174	1174
1175	1175	[[image:1747824123025-411.jpeg]]
1176	1176
1177		- **Figure 16: Schematic of the Objects Concerned with Registration**
	1174	+**Figure 16: Schematic of the Objects Concerned with Registration**
1178	1178
1179	1179	==== 7.4.2.2 Registration Request Model ====
1180	1180
...	...	@@ -1210,25 +1210,19 @@
1210	1210
1211	1211	Information in the data or metadata set is extracted and placed in one or more Content Constraints (see the Constraints model in the SDMX Information Model – Section 2 of the SDMX Standards). The information to be extracted is indicated by the Boolean values set on the Provision Agreement as shown in the table below.
1212	1212
1213		-|**Indexing Required**|**Registration Process Activity**
1214		-|indexTimeSeries|Extract all the series keys and create a KeySet(s) Constraint.
1215		-|indexDataSet|(((
1216		-Extract all the codes and other content of the Key value of the Series Key in a Data Set and create one or more Cube
1217		-
1218		-Regions containing Member Selections of Dimension Components of the Constraints model in the SDMX-IM, and the associated Selection Value.
	1210	+|(% style="width:185px" %)**Indexing Required**|(% style="width:1686px" %)**Registration Process Activity**
	1211	+|(% style="width:185px" %)indexTimeSeries|(% style="width:1686px" %)Extract all the series keys and create a KeySet(s) Constraint.
	1212	+|(% style="width:185px" %)indexDataSet|(% style="width:1686px" %)(((
	1213	+Extract all the codes and other content of the Key value of the Series Key in a Data Set and create one or more Cube Regions containing Member Selections of Dimension Components of the Constraints model in the SDMX-IM, and the associated Selection Value.
1219	1219	)))
1220		-|indexReportingPeriod|(((
	1215	+|(% style="width:185px" %)indexReportingPeriod|(% style="width:1686px" %)(((
1221	1221	This applies only to a registered dataset.
1222		-
1223	1223	Extract the Reporting Begin and Reporting End from the Header of the Message containing the data set, and create a Reference Period constraint.
1224	1224	)))
1225		-|indexAttributes|(((
	1219	+|(% style="width:185px" %)indexAttributes|(% style="width:1686px" %)(((
1226	1226	**Data Set**
1227		-
1228	1228	Extract the content of the Attribute Values in a Data Set and create one or more Cube Regions containing Member Selections of Data Attribute Components of the Constraints model in the SDMXIM, and the associated Selection Value
1229		-
1230	1230	**Metadata Set**
1231		-
1232	1232	Indicate the presence of a Reported Attribute by creating one or more Cube Regions containing Member Selections of Metadata Attribute Components of the Constraints model in the SDMX-IM. Note that the content is not stored in the Selection Value.
1233	1233	)))
1234	1234
...	...	@@ -1238,14 +1238,13 @@
1238	1238
1239	1239	=== 7.4.3 Registration Response ===
1240	1240
1241		-After a registration request has been submitted to the registry, a response is returned to the submitter indicating success or failure. Given that a registration request can hold many Registrations, then there must be a registration status for each Registration. The Submit Registration class has a status field which is either set to
	1232	+After a registration request has been submitted to the registry, a response is returned to the submitter indicating success or failure. Given that a registration request can hold many Registrations, then there must be a registration status for each Registration. The Submit Registration class has a status field which is either set to “Success”, “Warning” or “Failure”.
1242	1242
1243		-“Success”, “Warning” or “Failure”.
1244		-
1245	1245	If the registration has succeeded, a Registration will be returned - this holds the Registry-allocated Id of the newly registered Datasource plus a Datasource holding the URL to access the dataset, metadataset, or query service.
1246	1246
1247	1247	The Registration Response returns set of registration status (one for each registration submitted) in terms of a Status Message (this is common to all Registry Responses) that indicates success or failure. In the event of registration failure, a set of Message Text are returned, giving the error messages that occurred during registration. It is entirely possible when registering a batch of datasets, that the response will contain some successful and some failed statuses. The logical model for the Registration Response is shown below:
1248	1248
	1238	+[[image:1747829477882-750.png]]
1249	1249
1250	1250	**Figure 18: Logical class diagram showing the registration response**
1251	1251
...	...	@@ -1255,15 +1255,12 @@
1255	1255
1256	1256	A user can submit a subscription in the registry that defines which events are of interest, and either an email and/or an HTTP address to which a notification of qualifying events will be delivered. The subscription will be identified in the registry by a URN which is returned to the user when the subscription is created. If the user wants to delete the subscription at a later point, the subscription URN is used as identification. Subscriptions have a validity period expressed as a date range (startDate, endDate) and the registry may delete any expired subscriptions, and will notify the subscriber on expiry.
1257	1257
1258		-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
	1248	+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”.
1259	1259
1260		-“notification”.
	1250	+=== 7.5.1Subscription Logical Class Diagram ===
1261	1261
1262		- 7.5.1Subscription Logical Class Diagram
	1252	+[[image:1747829554603-150.png]]
1263	1263
1264		-
1265		-[[image:1747824123028-257.png]]
1266		-
1267	1267	**Figure 19: Logical Class Diagram of the Subscription**
1268	1268
1269	1269	=== 7.5.2 Subscription Information ===
...	...	@@ -1270,73 +1270,58 @@
1270	1270
1271	1271	Regardless of the type of registry/repository events being observed, a subscription always contains:
1272	1272
1273		-~1. A set of URIs describing the end-points to which notifications must be sent if the subscription is activated. The URIs can be either mailto~: or http: protocol. In the former case an email notification is sent; in the latter an HTTP POST notification is sent.
	1260	+1. A set of URIs describing the end-points to which notifications must be sent if the subscription is activated. The URIs can be either mailto~: or http: protocol. In the former case an email notification is sent; in the latter an HTTP POST notification is sent.
	1261	+1. A user-defined identifier which is returned in the response to the subscription request. This helps with asynchronous processing and is NOT stored in the Registry.
	1262	+1. 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.
	1263	+1. A selector which specifies which type of events are of interest. The set of event types is:
1274	1274
1275		-2. A user-defined identifier which is returned in the response to the subscription request. This helps with asynchronous processing and is NOT stored in the Registry.
	1265	+|(% style="width:327px" %)**Event Type**|(% style="width:1545px" %)**Comment**
	1266	+|(% style="width:327px" %)STRUCTURAL_REPOSITORY_EVENTS|(% style="width:1545px" %)Life-cycle changes to Maintainable Artefacts in the structural metadata repository.
	1267	+|(% style="width:327px" %)DATA_REGISTRATION_EVENTS|(% style="width:1545px" %)Whenever a published dataset is registered. This can be either a SDMXML data file or an SDMX conformant database.
	1268	+|(% style="width:327px" %)METADATA_REGISTRATION_EVENTS|(% style="width:1545px" %)Whenever a published metadataset is registered. This can be either a SDMXML reference metadata file or an SDMX conformant database.
	1269	+|(% style="width:327px" %)ALL_EVENTS|(% style="width:1545px" %)All events of the specified EventType
1276	1276
1277		-3. 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.
1278		-
1279		-4. A selector which specifies which type of events are of interest. The set of event types is:
1280		-
1281		-|**Event Type**|**Comment**
1282		-|STRUCTURAL_REPOSITORY_EVENTS|Life-cycle changes to Maintainable Artefacts in the structural metadata repository.
1283		-|DATA_REGISTRATION_EVENTS|Whenever a published dataset is registered. This can be either a SDMXML data file or an SDMX conformant database.
1284		-|METADATA_REGISTRATION_EVENTS|Whenever a published metadataset is registered. This can be either a SDMXML reference metadata file or an SDMX conformant database.
1285		-|ALL_EVENTS|All events of the specified EventType
1286		-
1287	1287	=== 7.5.3 Wildcard Facility ===
1288	1288
1289	1289	Subscription notification supports wildcarded identifier components URNs, which are identiiers which have some or all of their component parts replaced by the wildcard character `%`. Identifier components comprise:
1290	1290
1291		- agencyID
	1275	+* agencyID
	1276	+* id
	1277	+* version
1292	1292
1293		- id
1294		-
1295		- version
1296		-
1297	1297	Examples of wildcarded identifier components for an identified object type of Codelist are shown below.
1298	1298
1299		-AgencyID = %
1300		-
	1281	+//AgencyID = %
1301	1301	Id = %
	1283	+Version = %//
1302	1302
1303		-Version = %
1304		-
1305	1305	This subscribes to all Codelists of all versions for all agencies.
1306	1306
1307		-AgencyID = AGENCY1
1308		-
	1287	+//AgencyID = AGENCY1
1309	1309	Id = CODELIST1
	1289	+Version = %//
1310	1310
1311		-Version = %
1312		-
1313	1313	This subscribes to all versions of Codelist CODELIST1 maintained by the agency
1314	1314
1315		-AGENCY1
1316		-
	1293	+//AGENCY1
1317	1317	AgencyID = AGENCY1
1318		-
1319	1319	Id = %
	1296	+Version = %//
1320	1320
1321		-Version = %
1322		-
1323	1323	This subscribes to all versions of all Codelist objects maintained by the agency
1324	1324
1325		-AGENCY1
1326		-
	1300	+//AGENCY1
1327	1327	AgencyID = %
1328		-
1329	1329	Id = CODELIST1
	1303	+Version = %//
1330	1330
1331		-Version = %
1332		-
1333	1333	This subscribes to all versions of Codelist CODELIST1 maintained by the agency
1334	1334
1335		-AGENCY1
	1307	+//AGENCY1//
1336	1336
1337	1337	Note that if the subscription is to the latest version then this can be achieved by the * character
1338	1338
1339		-i.e. Version = *
	1311	+//i.e. Version = *//
1340	1340
1341	1341	Note that a subscription using the URN mechanism cannot use wildcard characters.
1342	1342
...	...	@@ -1348,16 +1348,15 @@
1348	1348
1349	1349	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:
1350	1350
	1323	+|(% style="width:405px" %)**Selector**|(% style="width:1467px" %)**Comment**
	1324	+|(% style="width:405px" %)DataProvider|(% style="width:1467px" %)Any datasets or metadata sets registered by the specified data provider will activate the notification.
	1325	+|(% style="width:405px" %)ProvisionAgreement|(% style="width:1467px" %)Any datasets or metadata sets registered for the provision agreement will activate the notification.
	1326	+|(% style="width:405px" %)Dataflow (&Metadataflow)|(% style="width:1467px" %)Any datasets or metadata sets registered for the specified dataflow (or metadataflow) will activate the notification.
	1327	+|(% style="width:405px" %)DataStructureDefinition & MetadataStructureDefinition|(% style="width:1467px" %)Any datasets or metadata sets registered for those dataflows (or metadataflows) that are based on the specified Data Structure Definition will
	1328	+|(% style="width:405px" %)**Selector**|(% style="width:1467px" %)**Comment**
	1329	+|(% style="width:405px" %) |(% style="width:1467px" %)activate the notification.
	1330	+|(% style="width:405px" %)Category|(% style="width:1467px" %)Any datasets or metadata sets registered for those dataflows, metadataflows, provision agreements that are categorised by the category.
1351	1351
1352		-|**Selector**|**Comment**
1353		-|DataProvider|Any datasets or metadata sets registered by the specified data provider will activate the notification.
1354		-|ProvisionAgreement|Any datasets or metadata sets registered for the provision agreement will activate the notification.
1355		-|Dataflow (&Metadataflow)|Any datasets or metadata sets registered for the specified dataflow (or metadataflow) will activate the notification.
1356		-|DataStructureDefinition & MetadataStructureDefinition|Any datasets or metadata sets registered for those dataflows (or metadataflows) that are based on the specified Data Structure Definition will
1357		-|**Selector**|**Comment**
1358		-| |activate the notification.
1359		-|Category|Any datasets or metadata sets registered for those dataflows, metadataflows, provision agreements that are categorised by the category.
1360		-
1361	1361	The event will also capture the semantic of the registration: deletion or replacement of an existing registration or a new registration.
1362	1362
1363	1363	== 7.6 Notification ==
...	...	@@ -1364,8 +1364,10 @@
1364	1364
1365	1365	=== 7.6.1 Logical Class Diagram ===
1366	1366
	1338	+[[image:1747829675568-610.png]]
1367	1367
1368		-==== Figure 20: Logical Class Diagram of the Notification ====
	1340	+(% class="wikigeneratedid" id="HFigure20:LogicalClassDiagramoftheNotification" %)
	1341	+**Figure 20: Logical Class Diagram of the Notification**
1369	1369
1370	1370	A notification is an XML document that is sent to a user via email or http POST whenever a subscription is activated. It is an asynchronous one-way message.
1371	1371
...	...	@@ -1385,5 +1385,3 @@
1385	1385	=== 7.6.3 Registration Event Component ===
1386	1386
1387	1387	The notification will contain the Registration.
1388		-
1389		-

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