Attributes

Most fields can set optional attributes:

• title : The text displayed by the component as label.
• help : Description of how the field should be used. Appears in a tooltip when the mouse passes over the field.
• column : Specifies the use of a specific column name.
• readonly : Specifies whether the field should be readonly default display.
• hidden : Specifies whether the field should be hidden by default in the display.
• required : Specifies whether the field is required or authorized null values.
• unique : Specifies whether the field value must be single base (creates a unique constraint base)
• index : Allows creation of an index on the field.
• haskKey : If it is not a single field specifies whether the field can be used to compute the hash code and be used in the equals method.
• min : Minimum Size field.
• max : Maximum Size field.
• initParam : Specifies whether the field should be used as a parameter to the constructor.
• default : Specifies a default.
• selection : In the case of a static field select, select the name.
• formula : Specifies whether the field is a formula field using native SQL query.
• nullable : Enables to put a zero value when the value is not given. For example, integers and decimals record type 0 and 0.0 respectively if their default values are null or empty.
• selection : Specifies the static select to use.

In the case of a binary field:

• image : Specifies whether the field will be used as an image (used by UI components). In the case of a date field or dateTime
• tz : Specifies the use of timeZone. Default false.

In the case of a date or dateTime field, you can use the shortcut "now" in the default attribute.

In the case of a string field

• multiline : Specifies whether the string is a multi-line text (used by UI components).
• large : Specifies whether the text value is large (creating a CLOB base to increase the size).
• nameColumn : Specifies whether the field is used as a name for the recording (used by UI components to display the record).
• search : List the name of the entity fields separated by commas. Search for a record on all the fields specified in a search by autocompletion.

In the case of a decimal field:

• precision : Total significant digits (before and after the comma).
• scale : Number of digits in the decimal part.

In the case of relational fields, the following attributes may be defined:

• ref : Full name of the class of the reference entity.
• mappedBy : In the case of bi-directional relationship, against field specifies the part of the object-reference
• orphan : Specifies whether records can be orphaned, for the deletion of the parent.
• orderBy : Specify which field of the reference object to sort.