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xpfCastValue

xpfCastValue


 

FUNCTION xpfCastValue (value       : GENERIC;
                       newDatatype : INTEGER)
                       castedValue : GENERIC;
                

Use this function to cast a value to another type avoiding run-time conflicts in assignments. E.g. from INTEGER to xpxDateTime and back, from Instance or aggregate Id to INTEGER and back, LOGICAL to BOOLEAN, REAL to INTEGER, INTEGER to STRING, etc. See also specialized functions like xpfIntegerToInstanceId, xpfIntegerToAggregateId, xpfStringToInteger, etc.

Arguments


TypeNameComment
GENERICvaluecomments
INTEGERnewDatatype

 predefined constants that used to specify required result primitive datatype:

xpxDateTime, xpxInteger, xpxString, xpxBoolean, xpxLogical, xpxInstance, xpxAggregate etc.

Return Value


 

TypeNameComment
GENERICcastedValuecomments

Options


 

Example


IF xpfCastValue(activity.start, XPXINTEGER) > xpfCastValue(activity.finish, XPXINTEGER) THEN xpxThrow; END_IF; -- where activity.start and activity.finish both are _DATETIME type and can not be compared directly

 

See also

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