/*
* Hibernate OGM, Domain model persistence for NoSQL datastores
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.ogm.type.impl;
import java.math.BigDecimal;
import org.hibernate.HibernateException;
import org.hibernate.MappingException;
import org.hibernate.engine.spi.Mapping;
import org.hibernate.ogm.type.descriptor.impl.StringMappedGridTypeDescriptor;
import org.hibernate.type.descriptor.java.BigDecimalTypeDescriptor;
/**
* Type descriptor for translating a BigDecimal Java type into its string representation
* in order to be stored in a datastore.
*
* The {@link BigDecimal#toString} method is used to get a string representation, this method use
* the standard scientific notation that should be cross platform/language usable.
*
* @see java.math.BigDecimal
* @see java.math.BigDecimal#toString()
*
* @author Nicolas Helleringer
*/
public class BigDecimalType extends AbstractGenericBasicType<BigDecimal> {
public static final BigDecimalType INSTANCE = new BigDecimalType();
public BigDecimalType() {
super( StringMappedGridTypeDescriptor.INSTANCE, BigDecimalTypeDescriptor.INSTANCE );
}
@Override
public String getName() {
return "big_decimal";
}
@Override
protected boolean registerUnderJavaType() {
return true;
}
@Override
public int getColumnSpan(Mapping mapping) throws MappingException {
return 1;
}
@Override
public String toString(BigDecimal value) throws HibernateException {
return value.toString();
}
@Override
public BigDecimal fromStringValue(String string) throws HibernateException {
try {
return new BigDecimal( string );
}
catch ( NumberFormatException e ) {
throw new HibernateException( "Unable to rebuild BigDecimal from String", e );
}
}
}