| /* |
| * Copyright (c) 2009-2012, 2015, 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 |
| */ |
| package org.eclipse.emf.cdo.server.internal.hibernate.tuplizer; |
| |
| import org.eclipse.emf.cdo.common.id.CDOID; |
| import org.eclipse.emf.cdo.common.id.CDOIDExternal; |
| import org.eclipse.emf.cdo.common.id.CDOIDUtil; |
| import org.eclipse.emf.cdo.common.revision.CDORevision; |
| import org.eclipse.emf.cdo.server.internal.hibernate.HibernateUtil; |
| |
| import org.hibernate.engine.spi.SessionImplementor; |
| import org.hibernate.usertype.ParameterizedType; |
| 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; |
| import java.util.Properties; |
| |
| /** |
| * A user type which can handle {@link CDOIDExternal}. It's stored in a single varchar field. |
| * |
| * @author <a href="mailto:mtaal@elver.org">Martin Taal</a> |
| */ |
| public class CDOIDExternalUserType implements UserType, ParameterizedType |
| { |
| private static final int[] SQL_TYPES = { Types.VARCHAR }; |
| |
| public CDOIDExternalUserType() |
| { |
| } |
| |
| public int[] sqlTypes() |
| { |
| return SQL_TYPES; |
| } |
| |
| public Class<?> returnedClass() |
| { |
| return CDOID.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 resultSet, String[] names, SessionImplementor sessionImplementor, Object owner) throws SQLException |
| { |
| final String data = resultSet.getString(names[0]); |
| if (data == null) |
| { |
| return null; |
| } |
| |
| return CDOIDUtil.createExternal(data); |
| } |
| |
| public void nullSafeSet(PreparedStatement statement, Object value, int index, SessionImplementor sessionImplementor) throws SQLException |
| { |
| if (value == null) |
| { |
| statement.setNull(index, Types.VARCHAR); |
| return; |
| } |
| |
| final Object localValue; |
| if (value instanceof CDORevision) |
| { |
| localValue = HibernateUtil.getInstance().getCDOID(value); |
| } |
| else |
| { |
| localValue = value; |
| } |
| |
| if (localValue instanceof CDOIDExternal) |
| { |
| statement.setString(index, ((CDOIDExternal)localValue).getURI()); |
| } |
| else |
| { |
| statement.setString(index, "#" + ((CDOID)localValue).toURIFragment()); |
| } |
| } |
| |
| 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(); |
| } |
| |
| public void setParameterValues(Properties parameters) |
| { |
| } |
| } |