Keyable (Hibernate Javadocs)

All Known Implementing Classes:

BasicAttribute, ManyToOneAttribute
```
public interface Keyable
```
Contract that defines an attribute that can participate in a key.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`isKey()`	Get whether the attribute is already participatig in a key.
`void`	`setKey(boolean key)`	Set whether this attribute should or shouldn't participate as a key attribute.

- Method Detail
  - isKey
```
boolean isKey()
```
    Get whether the attribute is already participatig in a key.
    
    Returns:
    
    true if the attribute is in the key; false otherwise
  - setKey
```
void setKey(boolean key)
```
    Set whether this attribute should or shouldn't participate as a key attribute.
    
    Parameters:
    
    key - specifies if the attribute is part of the key