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/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
package org.hibernate.metamodel.internal;
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
extends AbstractAttribute
implements SingularAttribute, Serializable {
private final boolean isIdentifier;
private final boolean isVersion;
private final boolean isOptional;
private final Type attributeType;
public SingularAttributeImpl(
String name,
Class javaType,
AbstractManagedType declaringType,
Member member,
boolean isIdentifier,
boolean isVersion,
boolean isOptional,
Type 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 extends SingularAttributeImpl {
public Identifier(
String name,
Class javaType,
AbstractManagedType declaringType,
Member member,
Type 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 extends SingularAttributeImpl {
public Version(
String name,
Class javaType,
AbstractManagedType declaringType,
Member member,
Type attributeType,
PersistentAttributeType persistentAttributeType) {
super( name, javaType, declaringType, member, false, true, false, attributeType, persistentAttributeType );
}
}
@Override
public boolean isId() {
return isIdentifier;
}
@Override
public boolean isVersion() {
return isVersion;
}
@Override
public boolean isOptional() {
return isOptional;
}
@Override
public Type getType() {
return attributeType;
}
@Override
public boolean isAssociation() {
return getPersistentAttributeType() == PersistentAttributeType.MANY_TO_ONE
|| getPersistentAttributeType() == PersistentAttributeType.ONE_TO_ONE;
}
@Override
public boolean isCollection() {
return false;
}
@Override
public BindableType getBindableType() {
return BindableType.SINGULAR_ATTRIBUTE;
}
@Override
public Class getBindableJavaType() {
return attributeType.getJavaType();
}
}