org.eclipse.persistence.internal.jpa.metamodel

Class AttributeImpl<X,T>

java.lang.Object

org.eclipse.persistence.internal.jpa.metamodel.AttributeImpl<X,T>

Type Parameters:

X - The represented type that contains the attribute

T - The type of the represented attribute

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

PluralAttributeImpl, SingularAttributeImpl

public abstract class AttributeImpl<X,T>
extends java.lang.Object
implements java.io.Serializable

Purpose: Provides the implementation for the Attribute interface of the JPA 2.0 Metamodel API (part of the JSR-317 EJB 3.1 Criteria API)

Description: An attribute of a Java type

Since:

EclipseLink 1.2 - JPA 2.0

See Also:

javax.persistence.metamodel.Attribute, Serialized Form

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AttributeImpl(ManagedTypeImpl<X> managedType, DatabaseMapping mapping) INTERNAL:

Method Summary

Modifier and Type	Method and Description
<any>	getDeclaringType() Return the managed type representing the type in which the attribute was declared.
protected ClassDescriptor	getDescriptor() INTERNAL: Return the Descriptor associated with this attribute
java.lang.reflect.Member	getJavaMember() Return the java.lang.reflect.Member for the represented attribute.
abstract java.lang.Class<T>	getJavaType() Return the Java type of the represented attribute.
ManagedTypeImpl<X>	getManagedTypeImpl() INTERNAL: Return the managed type representing the type in which the member was declared.
DatabaseMapping	getMapping() INTERNAL: Return the databaseMapping that represents the type
protected MetamodelImpl	getMetamodel() INTERNAL: Return the concrete metamodel that this attribute is associated with.
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.
abstract boolean	isPlural() INTERNAL: Return whether the attribute is plural or singular

Methods inherited from class java.lang.Object

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

Constructor Detail

AttributeImpl

protected AttributeImpl(ManagedTypeImpl<X> managedType,
                        DatabaseMapping mapping)

INTERNAL:

Parameters:

managedType -

mapping -

Method Detail

getDeclaringType

public <any> getDeclaringType()

Return the managed type representing the type in which the attribute was declared.

Returns:

declaring type

getDescriptor

protected ClassDescriptor getDescriptor()

INTERNAL: Return the Descriptor associated with this attribute

Returns:

getJavaMember

public java.lang.reflect.Member getJavaMember()

Return the java.lang.reflect.Member for the represented attribute. In the case of property access the get method will be returned

Returns:

corresponding java.lang.reflect.Member

getJavaType

public abstract java.lang.Class<T> getJavaType()

Return the Java type of the represented attribute.

Returns:

Java type

getManagedTypeImpl

public ManagedTypeImpl<X> getManagedTypeImpl()

INTERNAL: Return the managed type representing the type in which the member was declared.

Returns:

getMapping

public DatabaseMapping getMapping()

INTERNAL: Return the databaseMapping that represents the type

Returns:

getMetamodel

protected MetamodelImpl getMetamodel()

INTERNAL: Return the concrete metamodel that this attribute is associated with.

Returns:

MetamodelImpl

getName

public java.lang.String getName()

Return the name of the attribute.

Returns:

name

getPersistentAttributeType

public Attribute.PersistentAttributeType getPersistentAttributeType()

Return the persistent attribute type for the attribute.

Returns:

persistent attribute type

isAssociation

public boolean isAssociation()

Is the attribute an association.

Returns:

whether boolean indicating whether attribute corresponds to an association

isCollection

public boolean isCollection()

Is the attribute collection-valued.

Returns:

boolean indicating whether attribute is collection-valued.

This will be true for the mappings CollectionMapping, AbstractCompositeCollectionMapping, AbstractCompositeDirectCollectionMapping and their subclasses

isPlural

public abstract boolean isPlural()

INTERNAL: Return whether the attribute is plural or singular

Returns: