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/***************************************************************************
* Copyright (c) 2004 - 2009 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.id.CDOIDMeta;
import org.eclipse.emf.cdo.common.id.CDOIDMetaRange;
import org.eclipse.emf.cdo.common.id.CDOIDUtil;
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 CDOIDMetaRangeUserType implements UserType
{
private static final int[] SQL_TYPES = { Types.INTEGER, Types.INTEGER };
public CDOIDMetaRangeUserType()
{
}
public int[] sqlTypes()
{
return SQL_TYPES;
}
public Class<?> returnedClass()
{
return CDOIDMetaRange.class;
}
public boolean isMutable()
{
return true;
}
public Object deepCopy(Object value)
{
if (value == null)
{
return null;
}
CDOIDMetaRange cdoRange = (CDOIDMetaRange)value;
CDOIDMeta newCdoIDMeta = CDOIDUtil.createMeta(((CDOIDMeta)cdoRange.getLowerBound()).getLongValue());
return CDOIDUtil.createMetaRange(newCdoIDMeta, cdoRange.size());
}
public Object nullSafeGet(ResultSet rs, String[] names, Object owner) throws SQLException
{
Integer start = (Integer)Hibernate.INTEGER.nullSafeGet(rs, names[0]);
if (rs.wasNull())
{
return null;
}
Integer size = (Integer)Hibernate.INTEGER.nullSafeGet(rs, names[1]);
if (rs.wasNull())
{
return null;
}
CDOIDMeta newCdoIDMeta = CDOIDUtil.createMeta(start);
return CDOIDUtil.createMetaRange(newCdoIDMeta, size);
}
public void nullSafeSet(PreparedStatement statement, Object value, int index) throws SQLException
{
if (value != null)
{
CDOIDMetaRange cdoRange = (CDOIDMetaRange)value;
statement.setLong(index, ((CDOIDMeta)cdoRange.getLowerBound()).getLongValue());
statement.setInt(index + 1, cdoRange.size());
}
else
{
statement.setNull(index, Types.INTEGER);
statement.setNull(index + 1, 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 boolean equals(Object x, Object y)
{
if (x == y)
{
return true;
}
if (x == null || y == null)
{
return false;
}
return x.equals(y);
}
public int hashCode(Object x)
{
return x.hashCode();
}
}
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