Hibernate example source code file (BulkAccessor.java)

This example Hibernate source code file (BulkAccessor.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

bulkaccessor, bulkaccessor, bulkaccessorfactory, class, class, io, object, object, serializable, string, string

The Hibernate BulkAccessor.java source code

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2008-2011, Red Hat Inc. 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 Inc.
 *
 * 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.bytecode.internal.javassist;

import java.io.Serializable;

/**
 * A JavaBean accessor.
 * <p/>
 * <p>This object provides methods that set/get multiple properties
 * of a JavaBean at once.  This class and its support classes have been
 * developed for the comaptibility with cglib
 * (<tt>http://cglib.sourceforge.net/).
 *
 * @author Muga Nishizawa
 * @author modified by Shigeru Chiba
 */
public abstract class BulkAccessor implements Serializable {
	protected Class target;
	protected String[] getters, setters;
	protected Class[] types;

	protected BulkAccessor() {
	}

	/**
	 * Obtains the values of properties of a given bean.
	 *
	 * @param bean   JavaBean.
	 * @param values the obtained values are stored in this array.
	 */
	public abstract void getPropertyValues(Object bean, Object[] values);

	/**
	 * Sets properties of a given bean to specified values.
	 *
	 * @param bean   JavaBean.
	 * @param values the values assinged to properties.
	 */
	public abstract void setPropertyValues(Object bean, Object[] values);

	/**
	 * Returns the values of properties of a given bean.
	 *
	 * @param bean JavaBean.
	 */
	public Object[] getPropertyValues(Object bean) {
		Object[] values = new Object[getters.length];
		getPropertyValues( bean, values );
		return values;
	}

	/**
	 * Returns the types of properties.
	 */
	public Class[] getPropertyTypes() {
		return ( Class[] ) types.clone();
	}

	/**
	 * Returns the setter names of properties.
	 */
	public String[] getGetters() {
		return ( String[] ) getters.clone();
	}

	/**
	 * Returns the getter names of the properties.
	 */
	public String[] getSetters() {
		return ( String[] ) setters.clone();
	}

	/**
	 * Creates a new instance of <code>BulkAccessor.
	 * The created instance provides methods for setting/getting
	 * specified properties at once.
	 *
	 * @param beanClass the class of the JavaBeans accessed
	 *                  through the created object.
	 * @param getters   the names of setter methods for specified properties.
	 * @param setters   the names of getter methods for specified properties.
	 * @param types     the types of specified properties.
	 */
	public static BulkAccessor create(
			Class beanClass,
	        String[] getters,
	        String[] setters,
	        Class[] types) {
		BulkAccessorFactory factory = new BulkAccessorFactory( beanClass, getters, setters, types );
		return factory.create();
	}
}