Struct (EclipseLink 2.7.15, API Reference)

```
@Target(TYPE)
@Retention(RUNTIME)
public @interface Struct
```
Struct types are extended object-relational data-types supported by some databases. Struct types are user define types in the database such as OBJECT types on Oracle. Structs can normally contains Arrays (VARRAY) or other Struct types, and can be stored in a column or a table.
This annotation define a class to map to a database Struct type. The class should normally be an Embeddable, but could also be an Entity if stored in a object table.

See Also:

ObjectRelationalDataTypeDescriptor, StructureMapping

Author:

James Sutherland

Since:

EclipseLink 2.3

- Required Element Summary
  
  Required Elements
  Modifier and Type Required Element Description
  
  java.lang.String name
  (Required) The database name of the database structure type.
- Optional Element Summary
  
  Optional Elements
  Modifier and Type Optional Element Description
  
  java.lang.String[] fields
  (Optional) Defines the order of the fields contained in the database structure type.

- Element Detail
  - name
```
java.lang.String name
```
    (Required) The database name of the database structure type.
- - fields
```
java.lang.String[] fields
```
    (Optional) Defines the order of the fields contained in the database structure type.
    
    Default:
    
    {}