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## @tjdo Tag Reference

JDO tags specific for Triactive Java Data Objects (TJDO).

Applies to: Field that is part of an inverse map.

### @tjdo Class Level Tags

### @tjdo Method Level Tags

### @tjdo Field Level Tags

@tjdo.field

## @tjdo Class Level Tag Usage

## @tjdo Method Level Tag Usage

## @tjdo Field Level Tag Usage

### @tjdo.field (0..*)

The tjdo.field tag gives access to the TJDO extensions at the field level to be included in the generated jdo metadata.

Applies to: The jdo.field tag must be present

Parameter | Type | Applicability | Description | Mandatory
--- | --- | --- | --- | ---
column-length | int |  | String fields can specify the maximum length of the String that will be stored in the database column. This should be with the sql.column stuff. | false
owner-field | text |  | Specifies the column in the detail table that is the foreign key to this object. For inverse set and inverse map. | false
key-field | text |  | Specifies the column in the related table that is the map key for the inverse map. Used with inverse map. | false
collection-field | text |  | Specifies the column in the master table that this object is in an inverse set detail relationship with. | false
map-field | text |  | Specifies the column in the master table that this object is in an inverse map detail relationship with. | false