Datatype Class

A Datatype is a named type that can be associated with attribute or method types. It typically is related to either code engineering or database modeling. Datatypes also indicate which language or database system they relate to. Datatypes can be accessed using the Repository Datatypes collection.

Associated table in .EAP file      t_datatypes

Datatype Attributes

Attribute

Type

Notes

DatatypeID

Long

Read/Write

The instance ID for this datatype within the current model; this is system maintained.

 

DefaultLen

Long

Read/Write

The default length (DDL only).

 

DefaultPrec

Long

Read/Write

The default precision (DDL only).

 

DefaultScale

Long

Read/Write

The default scale (DDL only).

 

GenericType

String

Read/Write

The associated generic type for this data type.

 

HasLength

String

Read/Write

Indicates whether the datatype has a length component.

 

MaxLen

Long

Read/Write

The maximum length (DDL only).

 

MaxPrec

Long

Read/Write

The maximum precision (DDL only).

 

MaxScale

Long

Read/Write

The maximum scale (DDL only).

 

Name

String

Read/Write

The datatype name (such as integer). This appears in the related drop-down datatype lists where appropriate.

 

ObjectType

ObjectType

Read only

Distinguishes objects referenced through a Dispatch interface.

 

Product

String

Read/Write

The datatype product, such as Java, C++ or Oracle.

 

Size

Long

Read/Write

The datatype size.

 

Type

String

Read/Write

The type can be DDL for database datatypes or Code for language datatypes.

 

UserDefined

Long

Read/Write

Indicates if the datatype is a user defined type or system generated.

Datatypes distributed with Enterprise Architect are all system generated. Datatypes created in the Datatype dialog are marked 1 (true).

 

Datatype Methods

Method

Type

Notes

GetLastError ()

String

Returns a string value describing the most recent error that occurred in relation to this object.

 

Update ()

Boolean

Updates the current Datatype object after modification or appending a new item.

If false is returned, check the GetLastError function for more information.