EDIT

/**

* Copyright (C) 2009 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.cdm.hibernate;

import java.io.Serializable;

import java.sql.PreparedStatement;

import java.sql.ResultSet;

import java.sql.SQLException;

import org.hibernate.HibernateException;

import org.hibernate.engine.spi.SharedSessionContractImplementor;

import org.hibernate.usertype.UserType;

import eu.etaxonomy.cdm.model.validation.EntityConstraintViolation;

import eu.etaxonomy.cdm.model.validation.Severity;

/**

 * A hibernate {@code UserType} for persisting {@link Severity} instances.

 *

 * @see EntityConstraintViolation

 *

 * @author ayco_holleman

 *

 */

public class SeverityUserType implements UserType {

	@Override

	public int[] sqlTypes(){

		return new int[] { java.sql.Types.VARCHAR };

	}

	@SuppressWarnings("rawtypes")

	@Override

	public Class returnedClass(){

		return Severity.class;

	}

	@Override

	public boolean equals(Object x, Object y) throws HibernateException{

		if (x == null) {

			if (y == null) {

				return true;

			}

			return false;

		}

		if (y == null) {

			return false;

		}

		return ((Severity) x).equals(y);

	}

	@Override

	public int hashCode(Object x) throws HibernateException{

		return x.getClass().hashCode();

	}

	@Override

	public Object nullSafeGet(ResultSet rs, String[] names, SharedSessionContractImplementor session, Object owner) throws HibernateException, SQLException{

		String severity = rs.getString(names[0]);

		return rs.wasNull() ? null : Severity.forName(severity);

	}

	@Override

	public void nullSafeSet(PreparedStatement st, Object value, int index, SharedSessionContractImplementor session) throws HibernateException, SQLException{

		st.setString(index, value == null ? null : value.toString());

	}

	@Override

	public Object deepCopy(Object value) throws HibernateException{

		return value;

	}

	@Override

	public boolean isMutable(){

		return false;

	}

	@Override

	public Serializable disassemble(Object value) throws HibernateException{

		return null;

	}

	@Override

	public Object assemble(Serializable cached, Object owner) throws HibernateException{

		return null;

	}

	@Override

	public Object replace(Object original, Object target, Object owner) throws HibernateException{

		return original;

	}

}