xpxGetEntityExtent

Owned by Former user (Deleted)
Last updated: May 14, 2019 by Former user (Deleted)
FUNCTION xpxGetEntityExtent (modelId , entityId , VAR extentId : SET OF GENERIC)  
                             status                            : INTEGER;

The xpxGetEntityExtent function returns the aggregateId of the specified entity_extent aggregate. The actual instance type is defined by the modelId and entityId arguments. The aggregateId of the actual entity_extent is returned in the extentId argument. An entity_extent aggregate is a SET that contains all instances of the same type in a model. The number of entity_extents in a model is equal to the number of possible instance types in the model.

Arguments

TypeNameComment
 SET OF GENERICmodelIdId of the model
 SET OF GENERICentityIdId of the entoty
 SET OF GENERICextentId 

Return Value

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Options

 

Example

  FUNCTION getEntityExtent(modelId,entityId : GENERIC) : GENERIC;
    LOCAL
      extentId : GENERIC;
      members  : INTEGER;
    END_LOCAL;
      ON_ERROR_DO;
      xpxPrintf('\nError.');
      xpxThrow;
    END_ON_ERROR_DO;
    
    xpxGetEntityExtent(modelId,entityId,extentId); 
    members := xpfGetMemberCount(extentId);
    xpxPrintf('\n%d Members of type %s in model.',members,entityId.name);
    
    RETURN(extentId);
  END_FUNCTION;

 

See also

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