Preference

```
public interface Preference<T extends Object>

                    
```
A handle to edit the value of a specific preference which is able to predict which value the Configurable will effectively use.

Method Summary

Modifier and Type	Method	Description
`abstract Unit`	`set(T value)`	Set the preference to value.
`abstract T`	`getValue()`	The current value of the preference.
`abstract T`	`getEffectiveValue()`	The value that will be effectively used by the navigator if preferences are submitted as they are.
`abstract Boolean`	`getIsEffective()`	If this preference will be effectively used by the navigator if preferences are submitted as they are.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - set
```
 abstract Unit set(T value)
```
    Set the preference to value. A null value means unsetting the preference.
  - getValue
```
 abstract T getValue()
```
    The current value of the preference.
  - getEffectiveValue
```
 abstract T getEffectiveValue()
```
    The value that will be effectively used by the navigator if preferences are submitted as they are.
  - getIsEffective
```
 abstract Boolean getIsEffective()
```
    If this preference will be effectively used by the navigator if preferences are submitted as they are.