| /*************************************************************************** |
| * Copyright (c) 2008 - 2008 Martin Taal 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 |
| **************************************************************************/ |
| 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.Hibernate; |
| 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, Object owner) throws SQLException |
| { |
| Integer value = (Integer)Hibernate.INTEGER.nullSafeGet(rs, names[0]); |
| if (rs.wasNull()) |
| { |
| return null; |
| } |
| |
| if (value == null) |
| { |
| return null; |
| } |
| |
| return CDOModelUtil.getType(value); |
| } |
| |
| public void nullSafeSet(PreparedStatement statement, Object value, int index) 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(); |
| } |
| } |