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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 java.util.Comparator;
import org.hibernate.dialect.Dialect;
import org.hibernate.engine.spi.SharedSessionContractImplementor;
import org.hibernate.type.descriptor.java.ByteTypeDescriptor;
import org.hibernate.type.descriptor.sql.TinyIntTypeDescriptor;
/**
* A type that maps between {@link java.sql.Types#TINYINT TINYINT} and {@link Byte}
*
* @author Gavin King
* @author Steve Ebersole
*/
public class ByteType
extends AbstractSingleColumnStandardBasicType
implements PrimitiveType, DiscriminatorType, VersionType {
public static final ByteType INSTANCE = new ByteType();
private static final Byte ZERO = (byte) 0;
public ByteType() {
super( TinyIntTypeDescriptor.INSTANCE, ByteTypeDescriptor.INSTANCE );
}
@Override
public String getName() {
return "byte";
}
@Override
public String[] getRegistrationKeys() {
return new String[] {getName(), byte.class.getName(), Byte.class.getName()};
}
@Override
public Serializable getDefaultValue() {
return ZERO;
}
@Override
public Class getPrimitiveClass() {
return byte.class;
}
@Override
public String objectToSQLString(Byte value, Dialect dialect) {
return toString( value );
}
@Override
public Byte stringToObject(String xml) {
return fromString( xml );
}
@Override
public Byte fromStringValue(String xml) {
return fromString( xml );
}
@Override
public Byte next(Byte current, SharedSessionContractImplementor session) {
return (byte) ( current + 1 );
}
@Override
public Byte seed(SharedSessionContractImplementor session) {
return ZERO;
}
@Override
public Comparator getComparator() {
return getJavaTypeDescriptor().getComparator();
}
}