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FUNCTION xpfGetExtentBN (modelId : GENERIC;
entityName : STRING)
entityExtentId : GENERIC;
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The xpfGetExtentBN function returns the generic entityExtentId that uniquely identifies the entity extent instance for the specified instance type in the specified model. There is one entity extent instance in a model for each possible instance type in that model.
The actual model must be open before this function can be successfully performed.
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The xpxGetEntityExtent and xpxGetEntityExtentBN functions return the aggregateID of the attribute named instances in the related entity extent instance. The |
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xpfGetExtent and xpfGetExtentBN functions return the instanceID of the related entity extent instance. |
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Arguments
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| Type | Name | Comment |
| GENERIC | modelId | comments |
| STRING | entityName |
Return Value
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| Type | Name | Comment |
| GENERIC | entityExtentId | comments |
Options
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Example
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FUNCTION getEntityExtent(modelId : GENERIC ; entityName : STRING) : GENERIC;
LOCAL
extentId : GENERIC;
members : INTEGER;
END_LOCAL;
ON_ERROR_DO;
xpxPrintf('\nError.');
xpxThrow;
END_ON_ERROR_DO;
extentId := xpfGetEntityExtentBN(modelId,entityName);
members := xpfGetMemberCount(extentId);
xpxPrintf('\n%d Members of type %s in model.',members,entityName);
RETURN(extentId);
END_FUNCTION; |
See also
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