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Hibernate example source code file (StateType.java)

This example Hibernate source code file (StateType.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, serializable, serializable, sessionimplementor, sql, sqlexception, sqlexception, state, statetype, string, usertype

The Hibernate StateType.java source code

//$Id$
package org.hibernate.test.annotations.generics;

import java.io.Serializable;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
import org.hibernate.HibernateException;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.usertype.UserType;

/**
 * @author Emmanuel Bernard
 */
public class StateType implements UserType {
	public int[] sqlTypes() {
		return new int[] {
			Types.INTEGER
		};
	}

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

	public boolean equals(Object x, Object y) throws HibernateException {
		return x == y;
	}

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

	public Object nullSafeGet(ResultSet rs, String[] names, SessionImplementor session, Object owner) throws HibernateException, SQLException {
		int result = rs.getInt( names[0] );
		if ( rs.wasNull() ) return null;
		return State.values()[result];
	}

	public void nullSafeSet(PreparedStatement st, Object value, int index, SessionImplementor session) throws HibernateException, SQLException {
		if (value == null) {
			st.setNull( index, Types.INTEGER );
		}
		else {
			st.setInt( index, ( (State) value ).ordinal() );
		}
	}

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

	public boolean isMutable() {
		return false;
	}

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

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

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

Other Hibernate examples (source code examples)

Here is a short list of links related to this Hibernate StateType.java source code file:

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