org.nuxeo.ecm.core.schema.types.constraints

Interface Constraint

All Superinterfaces:

Serializable

All Known Implementing Classes:

AbstractConstraint, DateIntervalConstraint, EnumConstraint, LengthConstraint, NotNullConstraint, NumericIntervalConstraint, ObjectResolverConstraint, PatternConstraint, TypeConstraint

public interface Constraint
extends Serializable

A constraint object defines a constraint on a custom type. Method getDescription() allows anyone to dynamically redefine this constraint in another language (for example in javascript to make client-side validation).

Since:

7.1

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	Constraint.Description Represent the description of a constraint.

Field Summary

Fields

Modifier and Type	Field and Description
static String	MESSAGES_BUNDLE
static Locale	MESSAGES_DEFAULT_LANG
static String	MESSAGES_KEY

Method Summary

Modifier and Type	Method and Description
Constraint.Description	getDescription() Provides a description of a constraint.
String	getErrorMessage(Object invalidValue, Locale locale) Provides an error message to display when some invalid value does not match existing entity.
boolean	validate(Object object) Validates the given object against this constraint.

Field Detail

MESSAGES_BUNDLE

static final String MESSAGES_BUNDLE

See Also:

Constant Field Values

MESSAGES_DEFAULT_LANG

static final Locale MESSAGES_DEFAULT_LANG

MESSAGES_KEY

static final String MESSAGES_KEY

See Also:

Constant Field Values

Method Detail

validate

boolean validate(Object object)

Validates the given object against this constraint.

If some object is null. Constraint should return true while validating unless the constraint deals with nullable state.

Parameters:

object - the object to validate

Returns:

true if the object was successfully validated, false otherwise

getErrorMessage

String getErrorMessage(Object invalidValue,
                       Locale locale)

Provides an error message to display when some invalid value does not match existing entity.

Parameters:

invalidValue - The invalid value that don't match any entity.

locale - The language in which the message should be generated.

Returns:

A message in the specified language or

Since:

7.1

getDescription

Constraint.Description getDescription()

Provides a description of a constraint. For example, a constraint which control String format could return name=PatternMatchingConstraint | parameters= "pattern":"[0-9]+"

Returns:

The constraint description.

Since:

7.1