Author: steve.ebersole(a)jboss.com Date: 2008-09-09 14:46:44 -0400 (Tue, 09 Sep 2008) New Revision: 15164 Added: core/branches/Branch_3_3/core/src/main/java/org/hibernate/type/NumericBooleanType.java Log: HHH-3471 : add NumericBooleanType Added: core/branches/Branch_3_3/core/src/main/java/org/hibernate/type/NumericBooleanType.java =================================================================== --- core/branches/Branch_3_3/core/src/main/java/org/hibernate/type/NumericBooleanType.java (rev 0) +++ core/branches/Branch_3_3/core/src/main/java/org/hibernate/type/NumericBooleanType.java 2008-09-09 18:46:44 UTC (rev 15164) @@ -0,0 +1,94 @@ +/* + * 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; + * <tt>NULL</tt> maps to {@link #getDefaultValue()}; any other value is considered true. + * + * @author Steve Ebersole + * @see #getName() + */ +public class NumericBooleanType extends BooleanType { + + /** + * {@inheritDoc} + * <p/> + * This type's name is <tt>numeric_boolean</tt> + */ + 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; + } +}