Hibernate example source code file (ParametrizedTestUserType.java)

This example Hibernate source code file (ParametrizedTestUserType.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

class, hibernateexception, hibernateexception, io, jdbc, object, object, parametrizedtestusertype, serializable, sessionimplementor, sql, sqlexception, string, string, types, types, usertype, util

The Hibernate ParametrizedTestUserType.java source code

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2008, 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.envers.test.entities.customtype;

import java.io.Serializable;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
import java.util.Properties;
import org.hibernate.HibernateException;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.type.StringType;
import org.hibernate.usertype.ParameterizedType;
import org.hibernate.usertype.UserType;

/**
 * @author Adam Warski (adam at warski dot org)
 */
public class ParametrizedTestUserType implements UserType, ParameterizedType {
    private static final int[] TYPES = new int[] { Types.VARCHAR };

    private String param1;
    private String param2;

    public void setParameterValues(Properties parameters) {
        param1 = parameters.getProperty("param1");
        param2 = parameters.getProperty("param2");
    }

    public Class returnedClass() {
        return String.class;
    }

    public Object nullSafeGet(ResultSet rs, String[] names, SessionImplementor session, Object owner) throws HibernateException, SQLException {
        return StringType.INSTANCE.nullSafeGet( rs, names[0], session );
    }

    public void nullSafeSet(PreparedStatement st, Object value, int index, SessionImplementor session) throws HibernateException, SQLException {
        if (value != null) {
            String v = (String) value;
            if (!v.startsWith(param1)) {
                v = param1 + v;
            }
            if (!v.endsWith(param2)) {
                v = v + param2;
            }
            StringType.INSTANCE.nullSafeSet(st, v, index, session);
        }
		else {
            StringType.INSTANCE.nullSafeSet( st, null, index, session );
        }
    }

    public int[] sqlTypes() {
        return TYPES;
    }

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

    public Object deepCopy(Object value) throws HibernateException {
        return value;
    }

    public Serializable disassemble(Object value) throws HibernateException {
        return (Serializable) value;
    }

    public boolean equals(Object x, Object y) throws HibernateException {
        //noinspection ObjectEquality
        if (x == y) {
            return true;
        }

        if (x == null || y == null) {
            return false;
        }

        return x.equals(y);
    }

    public int hashCode(Object x) throws HibernateException {
        return x.hashCode();
    }

    public boolean isMutable() {
        return false;
    }

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