Package cz.cvut.kbss.jopa.sessions.validator

Class IntegrityConstraintsValidator

java.lang.Object

cz.cvut.kbss.jopa.sessions.validator.IntegrityConstraintsValidator

public abstract class IntegrityConstraintsValidator
extends Object

Constructor Summary

Constructors

Constructor	Description
IntegrityConstraintsValidator()

Method Summary

Modifier and Type	Method	Description
static IntegrityConstraintsValidator	getValidator()
static <T> Predicate<FieldSpecification<? super T,?>>	isNotInferred()	Creates a predicate filtering attributes that contain inferred values.
static <T> Predicate<FieldSpecification<? super T,?>>	isNotLazy()	Creates a predicate filtering attributes whose fetch type is FetchType.LAZY.
void	validate(ObjectChangeSet changeSet, Metamodel metamodel)	Validates integrity constraints for changes in the specified change set.
abstract void	validate(Object identifier, FieldSpecification<?,?> attribute, Object attributeValue)	Validates whether the specified value conforms to the attribute integrity constraints.
final <T> void	validate(T instance, EntityType<T> et, Predicate<FieldSpecification<? super T,?>>... filters)	Validates integrity constraints of all attributes of the specified instance.

Methods inherited from class java.lang.Object

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

Constructor Details

IntegrityConstraintsValidator

public IntegrityConstraintsValidator()

Method Details

getValidator

public static IntegrityConstraintsValidator getValidator()

validate

@SafeVarargs
public final <T> void validate(T instance,
 EntityType<T> et,
 Predicate<FieldSpecification<? super T,?>>... filters)

Validates integrity constraints of all attributes of the specified instance.

Type Parameters:

T - Entity class type

Parameters:

instance - The instance to validate

et - EntityType of the instance

filters - Filters allowing to specify attributes whose validation should be skipped

validate

public void validate(ObjectChangeSet changeSet,
 Metamodel metamodel)

Validates integrity constraints for changes in the specified change set.

Parameters:

changeSet - The change set to validate

metamodel - Metamodel of the persistence unit

validate

public abstract void validate(Object identifier,
 FieldSpecification<?,?> attribute,
 Object attributeValue)

Validates whether the specified value conforms to the attribute integrity constraints.

Parameters:

identifier - Instance identifier

attribute - Attribute metadata with integrity constraints

attributeValue - Value to be validated

isNotLazy

public static <T>
Predicate<FieldSpecification<? super T,?>> isNotLazy()

Creates a predicate filtering attributes whose fetch type is FetchType.LAZY.

Type Parameters:

T - Entity type

Returns:

Predicate

isNotInferred

public static <T>
Predicate<FieldSpecification<? super T,?>> isNotInferred()

Creates a predicate filtering attributes that contain inferred values.

Type Parameters:

T - Entity type

Returns:

Predicate