javax.persistence.metamodel.SingularAttribute - JPA interface
javax.persistence.metamodel
Interface SingularAttribute<X,T>
- Superinterfaces:
-
Attribute<X,T>,Bindable<T>
Instances of the type
SingularAttribute represents persistent single-valued properties or fields. - Since:
- JPA 2.0
Class<T> getBindableJavaType()
Return the Java type of the represented object. If the bindable type of the object is
PLURAL_ATTRIBUTE, the Java element type is returned. If the bindable type is SINGULAR_ATTRIBUTE or ENTITY_TYPE, the Java type of the represented entity or attribute is returned. - Returns:
- Java type
- Since:
- JPA 2.0
Return the bindable type of the represented object.
- Returns:
- bindable type
- Since:
- JPA 2.0
Return the managed type representing the type in which the attribute was declared.
- Returns:
- declaring type
- Since:
- JPA 2.0
Member getJavaMember()
Return the
java.lang.reflect.Member for the represented attribute. - Returns:
- corresponding
java.lang.reflect.Member
- Since:
- JPA 2.0
Class<Y> getJavaType()
Return the Java type of the represented attribute.
- Returns:
- Java type
- Since:
- JPA 2.0
String getName()
Return the name of the attribute.
- Returns:
- name
- Since:
- JPA 2.0
Return the persistent attribute type for the attribute.
- Returns:
- persistent attribute type
- Since:
- JPA 2.0
Return the type that represents the type of the attribute.
- Returns:
- type of attribute
- Since:
- JPA 2.0
boolean isAssociation()
Is the attribute an association.
- Returns:
- boolean indicating whether the attribute corresponds to an association
- Since:
- JPA 2.0
boolean isCollection()
Is the attribute collection-valued (represents a Collection, Set, List, or Map).
- Returns:
- boolean indicating whether the attribute is collection-valued
- Since:
- JPA 2.0
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
- Since:
- JPA 2.0
boolean isOptional()
Can the attribute be null.
- Returns:
- boolean indicating whether the attribute can be null
- Since:
- JPA 2.0
boolean isVersion()
Is the attribute a version attribute.
- Returns:
- boolean indicating whether the attribute is a version attribute
- Since:
- JPA 2.0
