com.vaadin.flow.data.binder

Interface RequiredFieldConfigurator

All Superinterfaces:

BiPredicate<Annotation,Binder.BindingBuilder<?,?>>, Serializable, SerializableBiPredicate<Annotation,Binder.BindingBuilder<?,?>>

public interface RequiredFieldConfigurator
extends SerializableBiPredicate<Annotation,Binder.BindingBuilder<?,?>>

This interface represents a predicate which returns true if bound field should be configured to have required indicator via HasValue.setRequiredIndicatorVisible(boolean).

Since:

1.0

Author:

Vaadin Ltd

See Also:

BeanValidationBinder, BeanValidationBinder.setRequiredConfigurator(RequiredFieldConfigurator)

Field Summary

Fields

Modifier and Type	Field and Description
static RequiredFieldConfigurator	DEFAULT Default configurator which is combination of NOT_NULL, NOT_EMPTY and SIZE configurators.
static RequiredFieldConfigurator	NOT_EMPTY Configurator which is aware of @NotEmpty annotation presence for a property where the default value is empty.
static RequiredFieldConfigurator	NOT_NULL Configurator which is aware of @NotNull annotation presence for a property where the default value is null.
static RequiredFieldConfigurator	SIZE Configurator which is aware of Size annotation with min()> 0 presence for a property where the size of the default value is 0.

Method Summary

Modifier and Type	Method and Description
default RequiredFieldConfigurator	chain(RequiredFieldConfigurator configurator) Returns a configurator that chains together this configurator with the given configurator.

Methods inherited from interface java.util.function.BiPredicate

and, negate, or, test

Field Detail

NOT_NULL

static final RequiredFieldConfigurator NOT_NULL

Configurator which is aware of @NotNull annotation presence for a property where the default value is null.

NOT_EMPTY

static final RequiredFieldConfigurator NOT_EMPTY

Configurator which is aware of @NotEmpty annotation presence for a property where the default value is empty.

SIZE

static final RequiredFieldConfigurator SIZE

Configurator which is aware of Size annotation with min()> 0 presence for a property where the size of the default value is 0.

DEFAULT

static final RequiredFieldConfigurator DEFAULT

Default configurator which is combination of NOT_NULL, NOT_EMPTY and SIZE configurators.

Method Detail

chain

default RequiredFieldConfigurator chain(RequiredFieldConfigurator configurator)

Returns a configurator that chains together this configurator with the given configurator.

Parameters:

configurator - the configurator to chain, , not null

Returns:

a chained configurator