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/*
* Copyright (c) 2008, 2009, 2011, 2012, 2016 Eike Stepper (Loehne, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Martin Taal - initial api
* Eike Stepper - maintenance
*/
package org.eclipse.emf.cdo.server.internal.hibernate.tuplizer;
import org.eclipse.emf.cdo.common.model.CDOModelUtil;
import org.eclipse.emf.cdo.common.model.CDOType;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.type.StandardBasicTypes;
import org.hibernate.usertype.UserType;
import java.io.Serializable;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
/**
* @author Martin Taal
*/
public class CDOTypeUserType implements UserType
{
private static final int[] SQL_TYPES = { Types.INTEGER };
public CDOTypeUserType()
{
}
public int[] sqlTypes()
{
return SQL_TYPES;
}
public Class<?> returnedClass()
{
return CDOType.class;
}
public boolean isMutable()
{
return false;
}
public Object deepCopy(Object value)
{
return value;
}
public boolean equals(Object x, Object y)
{
if (x == y)
{
return true;
}
if (x == null || y == null)
{
return false;
}
return x.equals(y);
}
public Object nullSafeGet(ResultSet rs, String[] names, SessionImplementor sessionImplementor, Object owner) throws SQLException
{
Integer value = StandardBasicTypes.INTEGER.nullSafeGet(rs, names[0], sessionImplementor);
if (rs.wasNull())
{
return null;
}
if (value == null)
{
return null;
}
return CDOModelUtil.getType((byte)(int)value);
}
public void nullSafeSet(PreparedStatement statement, Object value, int index, SessionImplementor sessionImplementor) throws SQLException
{
if (value != null)
{
statement.setInt(index, ((CDOType)value).getTypeID());
}
else
{
statement.setNull(index, Types.INTEGER);
}
}
public Serializable disassemble(Object value)
{
return (Serializable)value;
}
public Object assemble(Serializable cachedValue, Object owner)
{
return cachedValue;
}
public Object replace(Object original, Object target, Object owner)
{
return original;
}
public int hashCode(Object x)
{
return x.hashCode();
}
}