Changes for page 10 Constraints
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... ... @@ -1,1 +1,0 @@ 1 -Methodology.SDMX 2\.1 Standards\. Section 2\. Information model\: UML conceptual design.WebHome - Author
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... ... @@ -1,216 +1,0 @@ 1 -{{box title="**Contents**"}} 2 -{{toc/}} 3 -{{/box}} 4 - 5 -== {{id name="_Toc371062"/}}10.1 Scope == 6 - 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>>doc:sdmx:Glossary.Data source.WebHome]]. The information may be stored in a resource such as a registry for use by applications wishing to locate data and metadata which is available via the Internet. The (% style="color:#e74c3c" %)Constraint(%%) is also used to specify a sub set of a Codelist which may used as a partial [[code list>>doc:sdmx:Glossary.Code list.WebHome]] which is relevant in the context of the [[artefact>>doc:sdmx:Glossary.Artefact.WebHome]] to which the (% style="color:#e74c3c" %)Constraint(%%) is attached e.g. [[Data Structure Definition>>doc:sdmx:Glossary.Data structure definition.WebHome]], [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]], Provision Agreement. 8 - 9 -Note that in this metamodel the term [[data source>>doc:sdmx:Glossary.Data source.WebHome]] refers to both data and metadata sources, and [[data provider>>doc:sdmx:Glossary.Data provider.WebHome]] refers to both data and metadata providers. 10 - 11 -A [[data source>>doc:sdmx:Glossary.Data source.WebHome]] may be a simple file of data or metadata (in [[SDMX-ML>>doc:sdmx:Glossary.SDMX-ML.WebHome]] format), or a database or [[metadata repository>>doc:sdmx:Glossary.Metadata repository.WebHome]]. A [[data source>>doc:sdmx:Glossary.Data source.WebHome]] may contain data for many data or [[metadataflows>>doc:sdmx:Glossary.Metadataflow.WebHome]] (called DataflowDefinition, and MetadataflowDefinition in the model), and the mechanisms described in this section allow an organisation to specify precisely the scope of the content of the [[data source>>doc:sdmx:Glossary.Data source.WebHome]] where this [[data source>>doc:sdmx:Glossary.Data source.WebHome]] is registered (SimpleDataSource, QueryDataSource). 12 - 13 -The DataflowDefinition and MetadataflowDefinition, themselves may be specified as containing only a sub set of all the possible keys that could be derived from a DataStructureDefinition or MetadataStructureDefinition. 14 - 15 -These specifications are called (% style="color:#e74c3c" %)//Constraint//(%%) in this model. 16 - 17 -== {{id name="_Toc371063"/}}10.2 Inheritance == 18 - 19 -=== {{id name="_Toc371064"/}}10.2.1 Class Diagram of Constrainable Artefacts - Inheritance === 20 - 21 -[[image:1747904390682-586.png]] 22 - 23 -**Figure 37: Inheritance class diagram of constrainable and provisioning artefacts** 24 - 25 -=== {{id name="_Toc371065"/}}10.2.2 Explanation of the Diagram === 26 - 27 -==== 10.2.2.1 Narrative ==== 28 - 29 -Any [[artefact>>doc:sdmx:Glossary.Artefact.WebHome]] that is derived from //ConstrainableArtefact// can have (% style="color:#e74c3c" %)constraints(%%) defined. The [[artefacts>>doc:sdmx:Glossary.Artefact.WebHome]] that can have (% style="color:#e74c3c" %)constraint(%%) metadata attached are: 30 - 31 -* DataflowDefinition 32 -* ProvisionAgreement 33 -* DataProvider – this is restricted to [[release calendar>>doc:sdmx:Glossary.Release policy - release calendar.WebHome]] 34 -* MetadataflowDefinition 35 -* DataStructureDefinition 36 -* MetadataStructureDefinition 37 -* [[DataSet>>doc:sdmx:Glossary.Data set.WebHome]] 38 -* SimpleDataSource – this is a registered [[data source>>doc:sdmx:Glossary.Data source.WebHome]] where the registration references the actual [[DataSet>>doc:sdmx:Glossary.Data set.WebHome]] or MetadataSet 39 -* QueryDataSource 40 - 41 -Note that, because the (% style="color:#e74c3c" %)Constraint(%%) can specify a sub set of the [[component>>doc:sdmx:Glossary.Component.WebHome]] values implied by a specific //Structure// (such a specific DataStructureDefinition or specific MetadataStructureDefinition), the //ConstrainableArtefact//s must be associated with a specific //Structure//. Therefore, whilst the (% style="color:#e74c3c" %)Constraint(%%) itself may not be linked directly to a DataStructureDefinition or MetadataStructureDefinition, the [[artefact>>doc:sdmx:Glossary.Artefact.WebHome]] that it is constraining will be linked to a DataStructureDefinition or MetadataStructureDefinition. As a [[Data Provider>>doc:sdmx:Glossary.Data provider.WebHome]] does not link to any one specific [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] or [[MSD>>doc:sdmx:Glossary.Metadata structure definition.WebHome]] the type of information that can be contained in a (% style="color:#e74c3c" %)Constraint(%%) linked to a DataProvider is restricted to [[Release Calendar>>doc:sdmx:Glossary.Release policy - release calendar.WebHome]]. 42 - 43 -== {{id name="_Toc371066"/}}10.3 Constraints == 44 - 45 -=== {{id name="_Toc371067"/}}10.3.1 Relationship Class Diagram – high level view === 46 - 47 -[[image:1747904434659-835.png]] 48 - 49 -**Figure 38: Relationship class diagram showing constraint metadata** 50 - 51 -=== {{id name="_Toc371068"/}}10.3.2 Explanation of the Diagram === 52 - 53 -==== 10.3.2.1 Narrative ==== 54 - 55 -The (% style="color:#e74c3c" %)constraint(%%) mechanism allows specific (% style="color:#e74c3c" %)constraints(%%) to be attached to a //ConstrainableArtefact//. With the exception of ReferencePeriod, and ReleaseCalendar these (% style="color:#e74c3c" %)constraints(%%) specify a sub set of the total set of values or keys that may be present in any of the ConstrainableArtefacts. 56 - 57 -For instance a DataStructureDefinition specifies, for each [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]], the list of allowable [[code>>doc:sdmx:Glossary.Code.WebHome]] values. However, a specific DataflowDefinition that uses the DataStructureDefinition may contain only a sub set of the possible range of keys that is theoretically possible from the DataStructureDefinition definition (the total range of possibilities is sometimes called the Cartesian product of the [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] values). In addition to this, a DataProvider that is capable of supplying data according to the DataflowDefinition has a ProvisionAgreement, and the DataProvider may also wish to supply (% style="color:#e74c3c" %)constraint(%%) information which may further constrain the range of possibilities in order to describe the data that the provider can supply. It may also be useful to describe the content of a datasource in terms of the KeySets or CubeRegions contained within it. 58 - 59 -A //ConstrainableArtefact// can have two types of (% style="color:#e74c3c" %)//Constraint//(%%): 60 - 61 -1. ContentConstraint – is used solely as a mechanism to specify either the available set of keys (DataKeySet, MetadataKeySet) or set of [[component>>doc:sdmx:Glossary.Component.WebHome]] values (CubeRegion, MetadatTargetRegion) in a //DataSource// such as a [[DataSet>>doc:sdmx:Glossary.Data set.WebHome]] or a database (//QueryDatasource//), or the allowable keys that can be constructed from a DataStructureDefinition. Multiple such (% style="color:#e74c3c" %)constraints(%%) may be present for a //ConstrainableArtefact//. For instance, there may be a ContentConstraint that specifies the values allowed for the //ConstrainableArtefact //(role is allowableContent) which can be used for validation or for constructing a partial [[code list>>doc:sdmx:Glossary.Code list.WebHome]], whilst another (% style="color:#e74c3c" %)constraint(%%) can specify the actual content of a data or metadata source (role is actualContent). 62 -1. AttachmentConstraint – is used as a mechanism to define slices of the full set of data and to which metadata can be attached in a [[Data Set>>doc:sdmx:Glossary.Data set.WebHome]] or MetadataSet. These slices can be defined either as a set of keys (KeySet) or a set of [[component>>doc:sdmx:Glossary.Component.WebHome]] values (CubeRegion). There can be many AttachmentConstraints specified for a specific AttachableArtefact. 63 - 64 -In addition to (DataKeySet, MetadataKeySet, CubeRegion, MetadataTargetRegion, a (% style="color:#e74c3c" %)Constraint(%%) can have a ReferencePeriod defining one of more date ranges (ValidityPeriod) specifying the [[time period>>doc:sdmx:Glossary.Time period.WebHome]] for which data or metadata are available in the //ConstrainableArtefact// and a ReleaseCalendar specifying when data are released for publication or reporting. 65 - 66 -=== {{id name="_Toc371069"/}}10.3.3 Relationship Class Diagram – Detail === 67 - 68 -[[image:1747904480223-768.png]] 69 - 70 -**Figure 39: Constraints - Key Set Constraints** 71 - 72 -[[image:1747904523939-355.png]] 73 - 74 -**Figure 40: Constraints - Cube Region and Metadata Target Region Constraints** 75 - 76 -==== 10.3.3.1 Explanation of the Diagram ==== 77 - 78 -A (% style="color:#e74c3c" %)//Constraint//(%%) is a //MaintainableArtefact//. 79 - 80 -A (% style="color:#e74c3c" %)//Constraint//(%%) has a choice of two ways of specifying value sub sets: 81 - 82 -1. As a set of keys that can be present in the [[DataSet>>doc:sdmx:Glossary.Data set.WebHome]] (DataKeySet) or MetadataSet (MetadataKeySet). Each DataKey or MetadataKey specifies a number of ComponentValues each of which reference a //[[Component>>doc:sdmx:Glossary.Component.WebHome]]// (e.g. [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]], TargetObject). Each ComponentValue is a value that may be present for a //[[Component>>doc:sdmx:Glossary.Component.WebHome]]// of a structure when contained in a [[DataSet>>doc:sdmx:Glossary.Data set.WebHome]] or MetadataSet. The MetadataKeySet must also identify the MetadataTarget as there can be many of each of these in a MetadataStructureDefinition. For the DataKeySet the equivalent identification is not necessary as there is only one DimensionDescriptor and one AttributeDescriptor. 83 -1. As a set of CubeRegions or MetadataTaregetRegions each of which defines a “slice” of the total structure (MemberSelection) in terms of one or more MemberValues that may be present for a //[[Component>>doc:sdmx:Glossary.Component.WebHome]]// of a structure when contained in a //[[DataSet>>doc:sdmx:Glossary.Data set.WebHome]]// or MetadataSet. 84 - 85 -The difference between (1) and (2) above is that in (1) a complete key is defined whereas in (2) above the “slice” defines a list of possible values for each of the// [[Component>>doc:sdmx:Glossary.Component.WebHome]]//s but does not specify specific key combinations. In addition, in (1) the association between //[[Component>>doc:sdmx:Glossary.Component.WebHome]]// and DataKeyValue or MetadataKeyValue is constrained to the [[components>>doc:sdmx:Glossary.Component.WebHome]] that comprise the key or identifier, whereas in (2) it can contain other [[component>>doc:sdmx:Glossary.Component.WebHome]] types (such as [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]]). The value in ComponentValue.value and MemberValue.value must be consistent with the //[[Representation>>doc:sdmx:Glossary.Representation.WebHome]]// declared for the //[[Component>>doc:sdmx:Glossary.Component.WebHome]]// in the DataStructureDefinition or MetadataStructureDefinition. Note that in all cases the “operator” on the value is deemed to be “equals”. Furthermore, it is possible in a MemberValue to specify that child values (e.g. child [[codes>>doc:sdmx:Glossary.Code.WebHome]]) are included in the (% style="color:#e74c3c" %)constraint(%%) by means of the cascadeValues [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]]. 86 - 87 -It is possible to define for the DataKeySet, DataKey, MetadataKeySet, MetadataKey, CubeRegion, MetadataTargetRegion, and MemberSelection whether the set is included (isIncluded = “true”) or excluded (isIncluded = ”false”) from the (% style="color:#e74c3c" %)constraint(%%) definition. This [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] is useful if, for example, only a small sub-set of the possible values are not included in the set, then this smaller sub-set can be defined and excluded from the (% style="color:#e74c3c" %)constraint(%%). Note that if the child construct is “included: and the parent construct is “excluded” then the child construct is included in the list of constructs that are “excluded”. 88 - 89 -==== 10.3.3.2 Definitions ==== 90 - 91 -(% style="width:987.294px" %) 92 -|**Class**|**Feature**|(% style="width:471px" %)**Description** 93 -|//Constrainable// //[[Artefact>>doc:sdmx:Glossary.Artefact.WebHome]]//|((( 94 -Abstract Class Sub classes are: 95 -DataflowDefinition 96 -Metadataflow 97 -Definition 98 -ProvisionAgreement 99 -DataProvider 100 -//QueryDatasource// 101 -SimpleDatasource 102 -DataStructure 103 -Definition 104 -MetadataStructure 105 -Definition 106 -)))|(% style="width:471px" %)An [[artefact>>doc:sdmx:Glossary.Artefact.WebHome]] that can have (% style="color:#e74c3c" %)Constraints(%%) specified. 107 -| |content|(% style="width:471px" %)Associates the metadata that constrains the content to be found in a data or metadata source linked to the Constrainable [[Artefact>>doc:sdmx:Glossary.Artefact.WebHome]]. 108 -| |attachment|(% style="width:471px" %)Associates the metadata that constrains the valid content of a Constrainable [[Artefact>>doc:sdmx:Glossary.Artefact.WebHome]] to which metadata may be attached. 109 -|(%%)(% style="color:#e74c3c" %)//Constraint//|((( 110 -Inherits from 111 -//MaintainableArtefact// 112 -Abstract class. Sub classes are: 113 -AttachmentConstraint 114 -ContentConstraint 115 -)))|(% style="width:471px" %)Specifies a sub set 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>>doc:sdmx:Glossary.Code list.WebHome]] and other valid content. 116 -| |+availableDates|(% style="width:471px" %)Association to the [[time period>>doc:sdmx:Glossary.Time period.WebHome]] that identifies the time range for which data or metadata are available in the [[data source>>doc:sdmx:Glossary.Data source.WebHome]]. 117 -| |+dataContentKeys|(% style="width:471px" %)Association to a sub set of Data Key Sets (i.e. value combinations) that can be derived from the definition of the structure to which the Constrainable [[Artefact>>doc:sdmx:Glossary.Artefact.WebHome]] is linked. 118 -| |+metadataContentKeys|(% style="width:471px" %)Association to a sub set of Metdata Key Sets (i.e. value combinations) that can be derived from the definition of the Structure to which the Constrainable [[Artefact>>doc:sdmx:Glossary.Artefact.WebHome]] is linke 119 -| |+dataContentRegion|(% style="width:471px" %)Association to a sub set of [[component>>doc:sdmx:Glossary.Component.WebHome]] values that can be derived from the [[Data Structure Definition>>doc:sdmx:Glossary.Data structure definition.WebHome]] to which the Constrainable [[Artefact>>doc:sdmx:Glossary.Artefact.WebHome]] is linked. 120 -| |+metadataContentRegion|(% style="width:471px" %)Association to a sub set of [[component>>doc:sdmx:Glossary.Component.WebHome]] values that can be derived from the [[Metadata Structure Definition>>doc:sdmx:Glossary.Metadata structure definition.WebHome]] to which the Constrainable [[Artefact>>doc:sdmx:Glossary.Artefact.WebHome]] is linked. 121 -|ContentConstraint|((( 122 -Inherits from 123 -(% style="color:#e74c3c" %)//Constraint// 124 -)))|(% style="width:471px" %)Defines a (% style="color:#e74c3c" %)Constraint(%%) in terms of the content that can be found in data or metadata sources linked to the Constrainable [[Artefact>>doc:sdmx:Glossary.Artefact.WebHome]] to which this (% style="color:#e74c3c" %)constraint(%%) is associated. 125 -| |+role|(% style="width:471px" %)Association to the role that the (% style="color:#e74c3c" %)Constraint(%%) plays 126 -|ConstraintRole| |(% style="width:471px" %)Specifies the way the type of content of a (% style="color:#e74c3c" %)Constraint(%%) in terms of its purpose. 127 -| |allowableContent|(% style="width:471px" %)The (% style="color:#e74c3c" %)Constraint(%%) contains a specification of the valid sub set of the [[Component>>doc:sdmx:Glossary.Component.WebHome]] values or keys. 128 -| |actualContent|(% style="width:471px" %)The (% style="color:#e74c3c" %)Constraint(%%) contains a specification of the actual content of a data or metadata source in terms of the [[Component>>doc:sdmx:Glossary.Component.WebHome]] values or keys in the source. 129 -|((( 130 -AttachmentConstraint 131 -)))|((( 132 -Inherits from 133 -(% style="color:#e74c3c" %)//Constraint// 134 -)))|(% style="width:471px" %)Defines a (% style="color:#e74c3c" %)Constraint(%%) in terms of the combination of [[component>>doc:sdmx:Glossary.Component.WebHome]] values that may be found in a [[data source>>doc:sdmx:Glossary.Data source.WebHome]], and to which a Constrainable [[Artefact>>doc:sdmx:Glossary.Artefact.WebHome]] may be associated in a structure definition. 135 -|DataKeySet| |(% style="width:471px" %)A set of data keys. 136 -| |isIncluded|(% style="width:471px" %)Indicates whether the Data Key Set is included in the (% style="color:#e74c3c" %)constraint(%%) definition or excluded from the (% style="color:#e74c3c" %)constraint(%%) definition. 137 -| |+keys|(% style="width:471px" %)Association to the Data Keys in the set. 138 -|MetadataKeySet| |(% style="width:471px" %)A set of metadata keys. 139 -| |isIncluded|(% style="width:471px" %)Indicates whether the [[Metadata Key Set>>doc:sdmx:Glossary.Metadata key set.WebHome]] is included in the (% style="color:#e74c3c" %)constraint(%%) definition or excluded from the (% style="color:#e74c3c" %)constraint(%%) definition. 140 -| |+keys|(% style="width:471px" %)Association to the Metadata Keys in the set. 141 -|DataKey| |(% style="width:471px" %)The values of a key in a data set. 142 -| |isIncluded|(% style="width:471px" %)Indicates whether the Data Key is included in the (% style="color:#e74c3c" %)constraint(%%) definition or excluded from the (% style="color:#e74c3c" %)constraint(%%) definition. 143 -| |+keyValue|(% style="width:471px" %)Associates the [[Component>>doc:sdmx:Glossary.Component.WebHome]] Values that comprise the key. 144 -|MetadataKey| |(% style="width:471px" %)The values of a key in a metadata set. 145 -| |isIncluded|(% style="width:471px" %)Indicates whether the Metdadata Key is included in the (% style="color:#e74c3c" %)constraint(%%) definition or excluded from the (% style="color:#e74c3c" %)constraint(%%) definition. 146 -| |+keyValue|(% style="width:471px" %)Associates the [[Component>>doc:sdmx:Glossary.Component.WebHome]] Values that comprise the key. 147 -|ComponentValue| |(% style="width:471px" %)The identification of and value of a [[Component>>doc:sdmx:Glossary.Component.WebHome]] of the key (e.g. [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]]) 148 -| |value|(% style="width:471px" %)The value of [[Component>>doc:sdmx:Glossary.Component.WebHome]] 149 -| |+valueFor|(% style="width:471px" %)Association to the [[Component>>doc:sdmx:Glossary.Component.WebHome]] (e.g. [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]]) in the Structure to which the Constrainable [[Artefact>>doc:sdmx:Glossary.Artefact.WebHome]] is linked. 150 -|TimeDimensionValue| |(% style="width:471px" %)The value of the Time [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] [[component>>doc:sdmx:Glossary.Component.WebHome]]. 151 -| |timeValue|(% style="width:471px" %)The value of the [[time period>>doc:sdmx:Glossary.Time period.WebHome]]. 152 -| |operator|(% style="width:471px" %)((( 153 -Indicates whether the specified value represents and exact time or [[time period>>doc:sdmx:Glossary.Time period.WebHome]], or whether the value should be handled as a range. 154 -A value of greaterThan or greaterThanOrEqual indicates that the value is the beginning of a range (exclusive or inclusive, respectively). 155 -A value of lessThan or lessThanOrEqual indicates that the value is the end or a range (exclusive or inclusive, respectively). 156 -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>>doc:sdmx:Glossary.Time period.WebHome]] after the beginning of the provided [[time period>>doc:sdmx:Glossary.Time period.WebHome]] for greaterThanOrEqual) 157 -))) 158 -|CubeRegion| |(% style="width:471px" %)A set of [[Components>>doc:sdmx:Glossary.Component.WebHome]] and their values that defines a sub set or “slice” of the total range of possible content of a data structure to which the Constrainable [[Artefact>>doc:sdmx:Glossary.Artefact.WebHome]] is linked. 159 -| |isIncluded|(% style="width:471px" %)Indicates whether the Cube Region is included in the (% style="color:#e74c3c" %)constraint(%%) definition or excluded from the (% style="color:#e74c3c" %)constraint(%%) definition. 160 -| |+member|(% style="width:471px" %)Associates the set of [[Components>>doc:sdmx:Glossary.Component.WebHome]] that define the sub set of values. 161 -|MetadataTargetRegion| |(% style="width:471px" %)A set of [[Components>>doc:sdmx:Glossary.Component.WebHome]] and their values that defines a sub set or “slice” of the total range of possible content of a metadata structure to which the Constrainable [[Artefact>>doc:sdmx:Glossary.Artefact.WebHome]] is linked. 162 -| |isIncluded|(% style="width:471px" %)Indicates whether the Metadata Target Region is included in the (% style="color:#e74c3c" %)constraint(%%) definition or excluded from the (% style="color:#e74c3c" %)constraint(%%) definition. 163 -| |+member|(% style="width:471px" %)Associates the set of [[Components>>doc:sdmx:Glossary.Component.WebHome]] that define the sub set of values. 164 -|MemberSelection| |(% style="width:471px" %)A set of permissible values for one [[component>>doc:sdmx:Glossary.Component.WebHome]] of the axis. 165 -| |isIncluded|(% style="width:471px" %)Indicates whether the [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]] is included in the (% style="color:#e74c3c" %)constraint(%%) definition or excluded from the (% style="color:#e74c3c" %)constraint(%%) definition. 166 -| |+valuesFor|(% style="width:471px" %)Association to the [[Component>>doc:sdmx:Glossary.Component.WebHome]] in the Structure to which the Constrainable [[Artefact>>doc:sdmx:Glossary.Artefact.WebHome]] is linked, which defines the valid [[Representation>>doc:sdmx:Glossary.Representation.WebHome]] for the Member Values. 167 -|SelectionValue|((( 168 -Abstract class. Sub classes are: 169 -MemberValue 170 -TimeRangeValue 171 -)))|(% style="width:471px" %)A collection of values for the [[Member Selections>>doc:sdmx:Glossary.Member selection.WebHome]] that, combined with other [[Member Selections>>doc:sdmx:Glossary.Member selection.WebHome]], comprise the value content of the Cube Region. 172 -|MemberValue|((( 173 -Inherits from 174 -SelectionValue 175 -)))|(% style="width:471px" %)A single value of the set of values for the [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]]. 176 -| |value|(% style="width:471px" %)A value of the member. 177 -| |cascadeValues|(% style="width:471px" %)Indicates that the child nodes of the member are included in the [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]] (e.g. child [[codes>>doc:sdmx:Glossary.Code.WebHome]]) 178 -|//TimeRangeValue//|((( 179 -Inherits from 180 -SelectionValue 181 -Abstract Class 182 -Concrete Classes 183 -BeforePeriod 184 -AfterPeriod 185 -RangePeriod 186 -)))|(% style="width:471px" %)A time value or values that specifies the date or dates for which the constrained selection is valid. 187 -|BeforePeriod|((( 188 -Inherits from 189 -//TimeRangeValue// 190 -)))|(% style="width:471px" %)The period before which the constrained selection is valid. 191 -| |isInclusive|(% style="width:471px" %)Indication of whether the date is inclusive in the period. 192 -|AfterPeriod|((( 193 -Inherits from 194 -//TimeRangeValue// 195 -)))|(% style="width:471px" %)The period after which the constrained selection is valid. 196 -| |isInclusive|(% style="width:471px" %)Indication of whether the date is inclusive in the period. 197 -|RangePeriod| |(% style="width:471px" %)The start and end periods in a date range. 198 -| |+start|(% style="width:471px" %)Association to the Start Period. 199 -| |+end|(% style="width:471px" %)Association to the End Period. 200 -|StartPeriod|((( 201 -Inherits from 202 -//TimeRangeValue// 203 -)))|(% style="width:471px" %)The period from which the constrained selection is valid. 204 -| |isInclusive|(% style="width:471px" %)Indication of whether the date is inclusive in the period. 205 -|EndPeriod|((( 206 -Inherits from 207 -//TimeRangeValue// 208 -)))|(% style="width:471px" %)The period to which the constrained selection is valid. 209 -| |isInclusive|(% style="width:471px" %)Indication of whether the date is inclusive in the period. 210 -|ReferencePeriod| |(% style="width:471px" %)A set of dates that constrain the content that may be found in a data or metadata set. 211 -| |startDate|(% style="width:471px" %)The start date of the period. 212 -| |endDate|(% style="width:471px" %)The end date of the period. 213 -|ReleaseCalendar| |(% style="width:471px" %)The schedule of publication or reporting of the data or metadata 214 -| |periodicity|(% style="width:471px" %)The [[time period>>doc:sdmx:Glossary.Time period.WebHome]] between the releases of the data or metadata 215 -| |offset|(% style="width:471px" %)Interval between January 1^^st^^ and the first release of the data 216 -| |tolerance|(% style="width:471px" %)Period after which the data or metadata may be deemed late.
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