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The core O/RM functionality as provided by Hibernate
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
package org.hibernate.type;
import java.io.Serializable;
import org.hibernate.dialect.Dialect;
import org.hibernate.type.descriptor.java.BooleanTypeDescriptor;
import org.hibernate.type.descriptor.sql.CharTypeDescriptor;
/**
* A type that maps between {@link java.sql.Types#CHAR CHAR(1)} and {@link Boolean} (using 'Y' and 'N')
*
* @author Gavin King
* @author Steve Ebersole
*/
public class YesNoType
extends AbstractSingleColumnStandardBasicType
implements PrimitiveType, DiscriminatorType {
public static final YesNoType INSTANCE = new YesNoType();
public YesNoType() {
super( CharTypeDescriptor.INSTANCE, BooleanTypeDescriptor.INSTANCE );
}
@Override
public String getName() {
return "yes_no";
}
@Override
public Class getPrimitiveClass() {
return boolean.class;
}
@Override
public Boolean stringToObject(String xml) throws Exception {
return fromString( xml );
}
@Override
public Serializable getDefaultValue() {
return Boolean.FALSE;
}
@Override
public String objectToSQLString(Boolean value, Dialect dialect) throws Exception {
return StringType.INSTANCE.objectToSQLString( value ? "Y" : "N", dialect );
}
}