org.carrot2.util.attribute.constraint
Class Constraint

java.lang.Object
  org.carrot2.util.attribute.constraint.Constraint

Direct Known Subclasses:

ValueHintEnumConstraint

public abstract class Constraint
extends Object

A base class for implementing constraints.

Field Summary

protected Annotation

annotation Annotation corresponding to this constraint

Constructor Summary

Constraint()

Method Summary

protected void	checkAssignableFrom(Class<?> clazz, Object value) Checks if the provided value can be assigned to the type defined by clazz.
protected abstract boolean	isMet(Object value) Checks if the provided value meets this constraint.
void	populate(Annotation annotation)
protected void	populateCustom(Annotation annotation)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

annotation

protected Annotation annotation

Annotation corresponding to this constraint

Constructor Detail

Constraint

public Constraint()

Method Detail

isMet

protected abstract boolean isMet(Object value)

Checks if the provided value meets this constraint.

checkAssignableFrom

protected void checkAssignableFrom(Class<?> clazz,
                                   Object value)

Checks if the provided value can be assigned to the type defined by clazz. If not, an IllegalArgumentException will be thrown. null values are assignable to any class.

populate

public final void populate(Annotation annotation)

populateCustom

protected void populateCustom(Annotation annotation)