org.qi4j.library.constraints
Class InstanceOfConstraint
java.lang.Object
org.qi4j.library.constraints.InstanceOfConstraint
- All Implemented Interfaces:
- Serializable, Constraint<InstanceOf,Object>
public class InstanceOfConstraint
- extends Object
- implements Constraint<InstanceOf,Object>
JAVADOC
- See Also:
- Serialized Form
Method Summary |
boolean |
isValid(InstanceOf annotation,
Object parameter)
For each value or parameter which should be checked this method will be invoked. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
InstanceOfConstraint
public InstanceOfConstraint()
isValid
public boolean isValid(InstanceOf annotation,
Object parameter)
throws NullPointerException
- Description copied from interface:
Constraint
- For each value or parameter which should be checked this method will be invoked.
If the method returns true the value is valid. If it returns false the value
is considered invalid. When all constraints have been checked a ConstraintViolationException
will be thrown with all the constraint violations that were found.
- Specified by:
isValid
in interface Constraint<InstanceOf,Object>
- Parameters:
annotation
- the annotation to matchparameter
- the value to be checked
- Returns:
- true if valid, false if invalid
- Throws:
NullPointerException