Constraint

All Known Subinterfaces:

XMLConstraint

All Known Implementing Classes:

ExclusiveConstraint, ValueConstraint
```
public interface Constraint
```
The interface for all constraints. Custom constraints need to implement this interface.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`isSatisfied()`	Check whether a constraint is satisfied.
`boolean`	`supports(Constrainable constrainable)`	Indicates whether a constraint supports a given type of `Constrainable`

- Method Detail
  - isSatisfied
```
boolean isSatisfied()
```
    Check whether a constraint is satisfied. This method can be invoked after a set of command line arguments has been analyzed such that the results are known for each option and option set.
    
    Returns:
    
    A boolean to indicate whether a constraint is satisfied or not
  - supports
```
boolean supports(Constrainable constrainable)
```
    Indicates whether a constraint supports a given type of Constrainable
    
    Parameters:
    
    constrainable -
    
    Returns:
    
    A boolean to indicate whether this Constrainable is supported