/*
* Copyright (c) 2009, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.ejb.metamodel;
import java.io.Serializable;
import java.lang.reflect.Member;
import javax.persistence.metamodel.SingularAttribute;
import javax.persistence.metamodel.Type;
/**
* @author Emmanuel Bernard
* @author Steve Ebersole
*/
public class SingularAttributeImpl<X, Y>
extends AbstractAttribute<X,Y>
implements SingularAttribute<X, Y>, Serializable {
private final boolean isIdentifier;
private final boolean isVersion;
private final boolean isOptional;
private final Type<Y> attributeType;
public SingularAttributeImpl(
String name,
Class<Y> javaType,
AbstractManagedType<X> declaringType,
Member member,
boolean isIdentifier,
boolean isVersion,
boolean isOptional,
Type<Y> attributeType,
PersistentAttributeType persistentAttributeType) {
super( name, javaType, declaringType, member, persistentAttributeType );
this.isIdentifier = isIdentifier;
this.isVersion = isVersion;
this.isOptional = isOptional;
this.attributeType = attributeType;
}
/**
* Subclass used to simply instantiation of singular attributes representing an entity's
* identifier.
*/
public static class Identifier<X,Y> extends SingularAttributeImpl<X,Y> {
public Identifier(
String name,
Class<Y> javaType,
AbstractManagedType<X> declaringType,
Member member,
Type<Y> attributeType,
PersistentAttributeType persistentAttributeType) {
super( name, javaType, declaringType, member, true, false, false, attributeType, persistentAttributeType );
}
}
/**
* Subclass used to simply instantiation of singular attributes representing an entity's
* version.
*/
public static class Version<X,Y> extends SingularAttributeImpl<X,Y> {
public Version(
String name,
Class<Y> javaType,
AbstractManagedType<X> declaringType,
Member member,
Type<Y> attributeType,
PersistentAttributeType persistentAttributeType) {
super( name, javaType, declaringType, member, false, true, false, attributeType, persistentAttributeType );
}
}
/**
* {@inheritDoc}
*/
public boolean isId() {
return isIdentifier;
}
/**
* {@inheritDoc}
*/
public boolean isVersion() {
return isVersion;
}
/**
* {@inheritDoc}
*/
public boolean isOptional() {
return isOptional;
}
/**
* {@inheritDoc}
*/
public Type<Y> getType() {
return attributeType;
}
/**
* {@inheritDoc}
*/
public boolean isAssociation() {
return false;
}
/**
* {@inheritDoc}
*/
public boolean isCollection() {
return false;
}
/**
* {@inheritDoc}
*/
public BindableType getBindableType() {
return BindableType.SINGULAR_ATTRIBUTE;
}
/**
* {@inheritDoc}
*/
public Class<Y> getBindableJavaType() {
return attributeType.getJavaType();
}
}