/*
* 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.util.UUID;
import org.hibernate.HibernateException;
import org.hibernate.engine.spi.Mapping;
import org.hibernate.ogm.type.descriptor.impl.StringMappedGridTypeDescriptor;
import org.hibernate.type.descriptor.java.UUIDTypeDescriptor;
/**
* Type descriptor for translating a UUID Java type into its string representation
* in order to be stored in the datastore deposit.
*
* The {@link UUID#toString} method is used to get a string representation, this method use
* the plain notation with minus symbol only that should be cross platform/language usable.
*
* @see java.util.UUID
* @see java.util.UUID#toString()
* @see java.util.UUID#fromString(java.lang.String)
*
* @author Nicolas Helleringer
*/
public class UUIDType extends AbstractGenericBasicType<UUID> {
public static final UUIDType INSTANCE = new UUIDType();
public UUIDType() {
super( StringMappedGridTypeDescriptor.INSTANCE, UUIDTypeDescriptor.INSTANCE );
}
@Override
public String getName() {
return "uuid";
}
@Override
protected boolean registerUnderJavaType() {
return true;
}
@Override
public int getColumnSpan(Mapping mapping) {
return 1;
}
@Override
public String toString(UUID value) throws HibernateException {
return value.toString();
}
@Override
public UUID fromStringValue(String string) throws HibernateException {
try {
return UUID.fromString( string );
}
catch ( NumberFormatException e ) {
throw new HibernateException( "Unable to rebuild BigInteger from String", e );
}
}
}