javax.persistence.metamodel

Interface SingularAttribute<X,T>

Type Parameters:

X - The type containing the represented attribute

T - The type of the represented attribute

All Superinterfaces:

Attribute<X,T>, Bindable<T>

public interface SingularAttribute<X,T>
extends Attribute<X,T>, Bindable<T>

Instances of the type SingularAttribute represents persistent single-valued properties or fields.

Nested Class Summary

Nested classes/interfaces inherited from interface javax.persistence.metamodel.Attribute

Attribute.PersistentAttributeType

Nested classes/interfaces inherited from interface javax.persistence.metamodel.Bindable

Bindable.BindableType

Method Summary

Methods

Modifier and Type	Method and Description
Type<T>	getType() Return the type that represents the type of the attribute.
boolean	isId() Is the attribute an id attribute.
boolean	isOptional() Can the attribute be null.
boolean	isVersion() Is the attribute a version attribute.

Methods inherited from interface javax.persistence.metamodel.Attribute

getDeclaringType, getJavaMember, getJavaType, getName, getPersistentAttributeType, isAssociation, isCollection

Methods inherited from interface javax.persistence.metamodel.Bindable

getBindableJavaType, getBindableType

Method Detail

getType

Type<T> getType()

Return the type that represents the type of the attribute.

Returns:

type of attribute

isId

boolean isId()

Is the attribute an id attribute. This method will return true if the attribute is an attribute that corresponds to a simple id, an embedded id, or an attribute of an id class.

Returns:

boolean indicating whether the attribute is an id

isOptional

boolean isOptional()

Can the attribute be null.

Returns:

boolean indicating whether the attribute can be null

isVersion

boolean isVersion()

Is the attribute a version attribute.

Returns:

boolean indicating whether the attribute is a version attribute