VariableSelector (org.choco-solver-choco-solver 4.10.2 API)

All Known Implementing Classes:

AntiFirstFail, Cyclic, FirstFail, GeneralizedMinDomVarSelector, InputOrder, Largest, MaxDelta, MaxRegret, MinDelta, Occurrence, Random, RandomVar, Smallest, VariableSelectorWithTies
```
public interface VariableSelector<V extends Variable>
```
A variable selector specifies which variable should be selected at a fix point. It is based specifications (ex: smallest domain, most constrained, etc.).
Basically, the variable selected should not be already instantiated to a singleton (although it is allowed).

Since:

2 juil. 2010

Author:

Charles Prud'homme

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  V getVariable(V[] variables)
  Provides access to the current selected variable among variables.

- Method Detail
  - getVariable
```
V getVariable(V[] variables)
```
    Provides access to the current selected variable among variables. If there is no variable left, return null.
    
    Returns:
    
    the current selected variable if any, null otherwise.