Changes for page 9 Structure Map

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1		-{{box title="**Contents**"}}
2		-{{toc/}}
3		-{{/box}}
	1	+= 9 Structure Map =
4	4
5	5	== 9.1 Scope ==
6	6
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20	20
21	21	The StructureMap is a //MaintainableArtefact//. The StructureMap can either map a source and target DataStructureDefinition or a source and target Dataflow, it cannot mix source and target types. The StructureMap contains zero or more ComponentMaps.
22	22
23		-Each ComponentMap maps one or more //Component//s from the source DataStructureDefinition to one or more //Component//s in the target DataStructureDefinition{{footnote}}Source and target Data Structure Definition are either directly linked from the StructureMap or indirectly via the linked source and target Dataflow{{/footnote}}. In addition, the StructureMap contains zero or more FixedValueMaps. In this case, one or more //Component//s, from the source or target DataStructureDefinition, map to a fixed value.
	21	+Each ComponentMap maps one or more //Component//s from the source DataStructureDefinition to one or more //Component//s in the target DataStructureDefinition^^[[^^3^^>>path:#sdfootnote3sym||name="sdfootnote3anc"]]^^. In addition, the StructureMap contains zero or more FixedValueMaps. In this case, one or more //Component//s, from the source or target DataStructureDefinition, map to a fixed value.
24	24
25	25	The rules pertaining to how reported values map, are maintained in either a RepresentationMap, EpochMap, or DatePatternMap. A ComponentMap can only reference one of these mapping types to define how the reported values relate from source Dataset to the target Dataset. If a ComponentMap has more than 1 source or target, a RepresentationMap must be used to describe how the values map, as it is the only map which can define multiple source and target values in combination.
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35	35	**Figure 38: Relationship Class diagram of the EpochMap and DatePatternMap**
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	35	+[[image:SDMX 3-0-0 SECTION 2 FINAL-1.0 (1)_en_59eee18f.gif||alt="Shape30" height="1" width="192"]]
	36	+
37	37	=== 9.1.4 Explanation of the Diagram ===
38	38
39	39	==== 9.1.4.1 Narrative ====
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46	46
47	47	==== 9.1.4.2 Definitions ====
48	48
49		-(% style="width:869.294px" %)
50		-|(% style="width:196px" %)**Class**|(% style="width:233px" %)**Feature**|(% style="width:436px" %)**Description**
51		-|(% style="width:196px" %)StructureMap|(% style="width:233px" %)(((
	49	+|**Class**|**Feature**|**Description**
	50	+|StructureMap|(((
52	52	Inherits from
53	53
54	54	//MaintainableArtefact//
55		-)))|(% style="width:436px" %)Links a source and target structure where there is a semantic equivalence between the source and the target structures.
56		-|(% style="width:196px" %) |(% style="width:233px" %)+sourceStructure|(% style="width:436px" %)Association to the source Data Structure.
57		-|(% style="width:196px" %) |(% style="width:233px" %)+targetStructure|(% style="width:436px" %)Association to the target Data Structure
58		-|(% style="width:196px" %) |(% style="width:233px" %)+sourceStructureUsage|(% style="width:436px" %)Association to the source Dataflow.
59		-|(% style="width:196px" %) |(% style="width:233px" %)+targetStructureUsage|(% style="width:436px" %)Association to the target Dataflow.
60		-|(% style="width:196px" %)ComponentMap|(% style="width:233px" %)(((
	54	+)))|Links a source and target structure where there is a semantic equivalence between the source and the target structures.
	55	+||+sourceStructure|Association to the source Data Structure.
	56	+||+targetStructure|Association to the target Data Structure
	57	+||+sourceStructureUsage|Association to the source Dataflow.
	58	+||+targetStructureUsage|Association to the target Dataflow.
	59	+|ComponentMap|(((
61	61	Inherits from
62	62
63	63	//AnnotableArtefact//
64		-)))|(% style="width:436px" %)Links source and target Component(s) where there is a semantic equivalence between the source and the target Components.
65		-|(% style="width:196px" %) |(% style="width:233px" %)+source|(% style="width:436px" %)Association to zero or more source Components.
66		-|(% style="width:196px" %) |(% style="width:233px" %)+target|(% style="width:436px" %)Association to zero or more the target Components.
67		-|(% style="width:196px" %) |(% style="width:233px" %)mappingRules|(% style="width:436px" %)Reference to either a RepresentationMap, an EpochMap or a DatePatternMap.
68		-|(% style="width:196px" %)FixedValueMap|(% style="width:233px" %)(((
	63	+)))|Links source and target Component(s) where there is a semantic equivalence between the source and the target Components.
	64	+||+source|Association to zero or more source Components.
	65	+||+target|Association to zero or more the target Components.
	66	+||mappingRules|Reference to either a RepresentationMap, an EpochMap or a DatePatternMap.
	67	+|FixedValueMap|(((
69	69	Inherits from
70	70
71	71	//AnnotableArtefact//
72		-)))|(% style="width:436px" %)Links a Component (source or target) to a fixed value.
73		-|(% style="width:196px" %) |(% style="width:233px" %)value|(% style="width:436px" %)The value that a Component will be fixed in a fixed component map.
74		-|(% style="width:196px" %)//DateMap//|(% style="width:233px" %)(((
	71	+)))|Links a Component (source or target) to a fixed value.
	72	+||value|The value that a Component will be fixed in a fixed component map.
	73	+|//DateMap//|(((
75	75	Inherits from
76	76
77	77	//IdentifiableArtefact//
78		-)))|(% style="width:436px" %)
79		-|(% style="width:196px" %) |(% style="width:233px" %)freqDimension|(% style="width:436px" %)The Dimension or Attribute of the target Data Structure Definition which will hold the frequency information for date conversion. Mutually exclusive with targetFrequencyId.
80		-|(% style="width:196px" %) |(% style="width:233px" %)yearStart|(% style="width:436px" %)The date of the start of the year, enabling mapping from high frequency to lower frequency formats.
81		-|(% style="width:196px" %) |(% style="width:233px" %)resolvePeriod|(% style="width:436px" %)Which point in time to resolve to when mapping from low frequency to high frequency periods.
82		-|(% style="width:196px" %) |(% style="width:233px" %)mappedFrequencies|(% style="width:436px" %)A reference to a map of frequency id to date pattern for output.
83		-|(% style="width:196px" %)EpochMap|(% style="width:233px" %)(((
	77	+)))|
	78	+||freqDimension|The Dimension or Attribute of the target Data Structure Definition which will hold the frequency information for date conversion. Mutually exclusive with targetFrequencyId.
	79	+||yearStart|The date of the start of the year, enabling mapping from high frequency to lower frequency formats.
	80	+||resolvePeriod|Which point in time to resolve to when mapping from low frequency to high frequency periods.
	81	+||mappedFrequencies|A reference to a map of frequency id to date pattern for output.
	82	+|EpochMap|(((
84	84	Inherits from
85	85
86	86	//DateMap//
87		-)))|(% style="width:436px" %)
88		-|(% style="width:196px" %) |(% style="width:233px" %)basePeriod|(% style="width:436px" %)Epoch zero starts on this period.
89		-|(% style="width:196px" %) |(% style="width:233px" %)targetFrequencyId|(% style="width:436px" %)The frequency to convert the input date into. Mutually exclusive with freqDimension.
90		-|(% style="width:196px" %) |(% style="width:233px" %)epochPeriod|(% style="width:436px" %)Describes the period of time that each epoch represents.
91		-|(% style="width:196px" %)DatePatternMap|(% style="width:233px" %)Inherits from //DateMap//|(% style="width:436px" %)Described a source date based on a string pattern, and how it maps to the target date.
92		-|(% style="width:196px" %) |(% style="width:233px" %)locale|(% style="width:436px" %)The locale on which the input will be parsed according to the pattern.
93		-|(% style="width:196px" %)DateMapping|(% style="width:233px" %) |(% style="width:436px" %)
94		-|(% style="width:196px" %) |(% style="width:233px" %)sourcePattern|(% style="width:436px" %)Describes the source date using conventions for describing years, months, days, etc.
95		-|(% style="width:196px" %) |(% style="width:233px" %)targetFrequencyId|(% style="width:436px" %)The frequency to convert the input date into. Mutually exclusive with freqDimension.
96		-|(% style="width:196px" %)FrequencyFormatMap ping|(% style="width:233px" %)(((
	86	+)))|
	87	+||basePeriod|Epoch zero starts on this period.
	88	+||targetFrequencyId|The frequency to convert the input date into. Mutually exclusive with freqDimension.
	89	+||epochPeriod|Describes the period of time that each epoch represents.
	90	+|DatePatternMap|Inherits from //DateMap//|Described a source date based on a string pattern, and how it maps to the target date.
	91	+||locale|The locale on which the input will be parsed according to the pattern.
	92	+|DateMapping||
	93	+||sourcePattern|Describes the source date using conventions for describing years, months, days, etc.
	94	+||targetFrequencyId|The frequency to convert the input date into. Mutually exclusive with freqDimension.
	95	+|FrequencyFormatMap ping|(((
97	97	Inherits from
98	98
99	99	//IdentifiableArtefact//
100		-)))|(% style="width:436px" %)Describes the relationship between a frequency Id to the what the output date is formatted
101		-|(% style="width:196px" %) |(% style="width:233px" %)frequencyId|(% style="width:436px" %)The string used to describe the frequency
102		-|(% style="width:196px" %) |(% style="width:233px" %)datePattern|(% style="width:436px" %)The output date pattern for that frequency
103		-
104		-----
105		-
106		-{{putFootnotes/}}
	99	+)))|Describes the relationship between a frequency Id to the what the output date is formatted
	100	+||frequencyId|The string used to describe the frequency
	101	+||datePattern|The output date pattern for that frequency