Inheritance

Strategy

Specify the strategy to use when mapping a class or class hierarchy:

• Single table – All classes in the hierarchy are mapped to a single table.

• Joined – The root of the hierarchy is mapped to a single table; each child maps to its own table.

• Table per class – Each class is mapped to a separate table.

This field corresponds to the @Inheritance annotation.

Single table

Entity

Discriminator Value

Specify the discriminator value used to differentiate an entity in this inheritance hierarchy. The value must conform to the specified Discriminator Type.

Entity

Discriminator Column

These fields are available when using a Single or Joined inheritance strategy.

This field corresponds to the @DiscriminatorColumn annotation.

Use the Details area to define the Length and Column definition of this Discriminator Column.

Name

Name of the discriminator column

Entity

Type

Set this field to set the discriminator type to Char or Integer (instead of its default: String). The Discriminator Value must conform to this type.

String

Entity

Length

The column length for String-based discriminator types.

0

Entity

Column definition

The SQL fragment that is used when generating the DDL for the discriminator column.

Entity

Primary Key Join Columns

Use to override the default primary key join columns. Select Override Default, then click Add to select new Join Column with the Add Primary Key Join Column dialog.

This field corresponds with @PrimaryKeyJoinColumn annotation.

Entity