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Data Validation

Data passed as input to an activity or from an event received by a process starter is validated to ensure that it conforms to its specified datatype. For example, if you pass an XML document to a Parse XML activity, the content of the document is checked to ensure that elements in the document are actually of the specified datatypes.

Table 14 describes the validation behavior. Datatype validation listed with the prefix xsd: is defined in the namespace http://www.w3.org/2001/XMLSchema. See XML Schema Part2: Datatypes specification at http://www.w3.org/TR/2004/PER-xmlschema-2-20040318/ for more information on the proper representation of these datatypes. Datatype validation listed with the prefix xdt: is defined in the namespace http://www.w3.org/2003/11/xpath-datatypes. See Xquery 1.0 and Xpath 2.0 Functions and Operators specification at http://www.w3.org/TR/2003/WD-xpath-functions-20031112/ for more information on the proper representation of these datatypes.

Table 14 Datatype validation

Data Type	Validation
Built-In Primitive Types
boolean	xsd:boolean
decimal	xsd:decimal
float	xsd:float
double	xsd:double
string	xsd:string
duration	xsd:duration
yearMonthDuration	xdt:yearMonthDuration
dayTimeDuration	xdt:dayTimeDuration
dateTime	xsd:dateTime
time	xsd:time
date	xsd:date
gYearMonth	xsd:gYearMonth
gYear	xsd:gYear
gMonthDay	xsd:gMonthDay
gDay	xsd:gDay
gMonth	xsd:gMonth
hexBinary	xsd:hexBinary
base64Binary	xsd:base64Binary
anyURI	xsd:anyURI
QName	xsd:QName
NOTATION	xsd:NOTATION
untypedAtomic	xdt:untypedAtomic
Built-In Derived (Atomic) Types
integer	xsd:integer
nonPositiveInteger	xsd:nonPositiveInteger
negativeInteger	xsd:negativeInteger
long	xsd:long
int	xsd:int
short	xsd:short
byte	xsd:byte
nonNegativeInteger	xsd:nonNegativeInteger
unsignedLong	xsd:unsignedLong
unsignedInt	xsd:unsignedInt
unsignedShort	xsd:unsignedShort
unsignedByte	xsd:unsignedByte
positiveInteger	xsd:positiveInteger
normalizedString	xsd:normalizedString
token	xsd:token
language	xsd:language
Name	xsd:Name
NCName	xsd:NCName
ID	xsd:ID
IDREF	xsd:IDREF
ENTITY	xsd:ENTITY
NMTOKEN	xsd:NMTOKEN

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