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Java Enterprise Edition (EE)

Attribute


javax.persistence.metamodel
Interface Attribute<X,Y>

Type Parameters:
X - The represented type that contains the attribute
Y - The type of the represented attribute
All Known Subinterfaces:
CollectionAttribute<X,E>, ListAttribute<X,E>, MapAttribute<X,K,V>, PluralAttribute<X,C,E>, SetAttribute<X,E>, SingularAttribute<X,T>
public interface Attribute<X,Y>

Represents an attribute of a Java type.

Since:
Java Persistence 2.0

Nested Class Summary
static class Attribute.PersistentAttributeType
           
 
Method Summary
 ManagedType<X> getDeclaringType()
          Return the managed type representing the type in which the attribute was declared.
 java.lang.reflect.Member getJavaMember()
          Return the java.lang.reflect.Member for the represented attribute.
 java.lang.Class<Y> getJavaType()
          Return the Java type of the represented attribute.
 java.lang.String getName()
          Return the name of the attribute.
 Attribute.PersistentAttributeType getPersistentAttributeType()
          Return the persistent attribute type for the attribute.
 boolean isAssociation()
          Is the attribute an association.
 boolean isCollection()
          Is the attribute collection-valued (represents a Collection, Set, List, or Map).
 

Method Detail

getName

java.lang.String getName()
Return the name of the attribute.

Returns:
name

getPersistentAttributeType

Attribute.PersistentAttributeType getPersistentAttributeType()
Return the persistent attribute type for the attribute.

Returns:
persistent attribute type

getDeclaringType

ManagedType<X> getDeclaringType()
Return the managed type representing the type in which the attribute was declared.

Returns:
declaring type

getJavaType

java.lang.Class<Y> getJavaType()
Return the Java type of the represented attribute.

Returns:
Java type

getJavaMember

java.lang.reflect.Member getJavaMember()
Return the java.lang.reflect.Member for the represented attribute.

Returns:
corresponding java.lang.reflect.Member

isAssociation

boolean isAssociation()
Is the attribute an association.

Returns:
boolean indicating whether the attribute corresponds to an association

isCollection

boolean isCollection()
Is the attribute collection-valued (represents a Collection, Set, List, or Map).

Returns:
boolean indicating whether the attribute is collection-valued


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