Constraint (GTF 2.0.1 API)

All Superinterfaces:

BiFunction<T,Field,ConstraintError>

All Known Implementing Classes:

BooleanConstraint, DefaultInitializedConstraint, EmptyContainerConstraint, IntegerRangeConstraint, NullConstraint
```
public interface Constraint<T>
extends BiFunction<T,Field,ConstraintError>
```
Constraint which will be checked and result in some ConstraintError or if there is no Error in ConstraintError.NoError

Since:

1.0

Author:

Christoph Praschl

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  Class<T> getType()
  
  boolean isBreakingConstraint()
  - Methods inherited from interface java.util.function.BiFunction
    andThen, apply

- Method Detail
  - getType
```
Class<T> getType()
```
    Returns:
    
    method which returns the type for which the constraint is applied
  - isBreakingConstraint
```
boolean isBreakingConstraint()
```
    Returns:
    
    a flag if constraint is breaking and if violated no further constraints should be checked (e.q. because of a NullPointer)