Package de.espirit.or.schema

Interface Validator<T>

All Superinterfaces:

Serializable

All Known Subinterfaces:

EntityValidator

public interface Validator<T>
extends Serializable

Provides information about constraints on an attribute.
NOT USED

Since:

5.2.210803

Method Summary

Modifier and Type	Method	Description
T	checkValidity(Entity owner, Attribute<T> attribute, T value)	Check the validity of the given value against this constraint.
boolean	isNullAllowed()	Returns whether or not a null value is allowed.
boolean	isValid(T value)	Check the validity of the given value against this constraint.

Method Details

isValid

boolean isValid(@Nullable
 T value)

Check the validity of the given value against this constraint.

Returns:

true if no constraint is violated, else false.

Since:

5.2.210803

checkValidity

T checkValidity(Entity owner,
 Attribute<T> attribute,
 T value)
         throws IllegalArgumentException

Check the validity of the given value against this constraint. The constraint may choose to modify the value or return a corrected value.

Parameters:

owner - the entity where the value should be set

attribute - the owning attribute where this constraints belongs to

value - the value which should be set

Returns:

the value itself or corrected value which then will be used to update the entity

Throws:

IllegalArgumentException - when a constraint is violated. The exception message contains a descriptive explanation.

Since:

5.2.210803

isNullAllowed

boolean isNullAllowed()

Returns whether or not a null value is allowed.

Returns:

true if a null value is allowed, false otherwise.

Since:

5.2.210803