Unique (OpenJPA Parent POM 4.1.1 API)

@Target({METHOD,FIELD})
@Retention(RUNTIME)
public @interface Unique

Unique constraint definition.

Since:: 0.4.0
Author:: Abe White

- Optional Element Summary
  
  Optional Elements
  Modifier and Type Optional Element Description
  
  String[] columnNames
  
  boolean deferred
  
  boolean enabled
  
  String name

- Element Detail
  - name
```
String name
```
    Default:
    
    ""
- - enabled
```
boolean enabled
```
    Default:
    
    true
- - deferred
```
boolean deferred
```
    Default:
    
    false
- - columnNames
```
String[] columnNames
```
    Default:
    
    {}