org.hibernate.type.NumericBooleanType Maven / Gradle / Ivy
/*
* 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.type;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.PreparedStatement;
import java.sql.Types;
import org.hibernate.dialect.Dialect;
/**
* Maps {@link Types#INTEGER interger} database values to boolean java values. Zero is considered false;
* NULL maps to {@link #getDefaultValue()}; any other value is considered true.
*
* @author Steve Ebersole
* @see #getName()
*/
public class NumericBooleanType extends BooleanType {
/**
* {@inheritDoc}
*
* This type's name is numeric_boolean
*/
public String getName() {
return "numeric_boolean";
}
/**
* {@inheritDoc}
*/
public Object get(ResultSet rs, String name) throws SQLException {
int value = rs.getInt( name );
if ( rs.wasNull() ) {
return getDefaultValue();
}
else if ( value == 0 ) {
return Boolean.FALSE;
}
else {
return Boolean.TRUE;
}
}
/**
* {@inheritDoc}
*/
public void set(PreparedStatement st, Object value, int index) throws SQLException {
if ( value == null ) {
st.setNull( index, Types.INTEGER );
}
else {
boolean bool = ( ( Boolean ) value ).booleanValue();
st.setInt( index, bool ? 1 : 0 );
}
}
/**
* {@inheritDoc}
*/
public String objectToSQLString(Object value, Dialect dialect) throws Exception {
return ( ( Boolean ) value ).booleanValue() ? "1" : "0";
}
/**
* {@inheritDoc}
*/
public int sqlType() {
return Types.INTEGER;
}
}