org.datanucleus.api.jpa.metamodel

Class AttributeImpl<X,Y>

java.lang.Object

org.datanucleus.api.jpa.metamodel.AttributeImpl<X,Y>

Type Parameters:

X - The type containing the represented attribute

Y - The type of the represented attribute

All Implemented Interfaces:

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

Direct Known Subclasses:

PluralAttributeImpl, SingularAttributeImpl

public class AttributeImpl<X,Y>
extends Object
implements javax.persistence.metamodel.Attribute<X,Y>

Implementation of JPA2 Metamodel "Attribute". Provides a wrapper to AbstractMemberMetaData.

Nested Class Summary

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

javax.persistence.metamodel.Attribute.PersistentAttributeType

Constructor Summary

Constructors

Constructor and Description
AttributeImpl(org.datanucleus.metadata.AbstractMemberMetaData mmd, ManagedTypeImpl<X> owner)

Method Summary

Methods

Modifier and Type	Method and Description
javax.persistence.metamodel.ManagedType<X>	getDeclaringType()
Member	getJavaMember()
Class<Y>	getJavaType()
org.datanucleus.metadata.AbstractMemberMetaData	getMetadata() Convenience accessor for the metadata underlying this member.
String	getName()
javax.persistence.metamodel.Attribute.PersistentAttributeType	getPersistentAttributeType()
javax.persistence.metamodel.Type<Y>	getType() Return the type of the attribute.
boolean	isAssociation()
boolean	isCollection()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AttributeImpl

public AttributeImpl(org.datanucleus.metadata.AbstractMemberMetaData mmd,
             ManagedTypeImpl<X> owner)

Method Detail

getMetadata

public org.datanucleus.metadata.AbstractMemberMetaData getMetadata()

Convenience accessor for the metadata underlying this member.

Returns:

The metadata

getDeclaringType

public javax.persistence.metamodel.ManagedType<X> getDeclaringType()

Specified by:

getDeclaringType in interface javax.persistence.metamodel.Attribute<X,Y>

getJavaMember

public Member getJavaMember()

Specified by:

getJavaMember in interface javax.persistence.metamodel.Attribute<X,Y>

getJavaType

public Class<Y> getJavaType()

Specified by:

getJavaType in interface javax.persistence.metamodel.Attribute<X,Y>

getName

public String getName()

Specified by:

getName in interface javax.persistence.metamodel.Attribute<X,Y>

getPersistentAttributeType

public javax.persistence.metamodel.Attribute.PersistentAttributeType getPersistentAttributeType()

Specified by:

getPersistentAttributeType in interface javax.persistence.metamodel.Attribute<X,Y>

isAssociation

public boolean isAssociation()

Specified by:

isAssociation in interface javax.persistence.metamodel.Attribute<X,Y>

isCollection

public boolean isCollection()

Specified by:

isCollection in interface javax.persistence.metamodel.Attribute<X,Y>

getType

public final javax.persistence.metamodel.Type<Y> getType()

Return the type of the attribute. If the type is simple then returns that java type, otherwise if a collection then returns the element type.

Returns:

The type of attribute