Hibernate example source code file (SingularAttributeImpl.java)

This example Hibernate source code file (SingularAttributeImpl.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Hibernate tags/keywords

abstractmanagedtype, abstractmanagedtype, class, class, identifier, io, member, persistentattributetype, reflection, singularattributeimpl, singularattributeimpl, string, type, type, version, y

The Hibernate SingularAttributeImpl.java source code

/*
 * 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 {
		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 {
		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();
	}
}