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/*
* Copyright (c) 2004 - 2012 Eike Stepper (Berlin, 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:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.net4j.internal.db.ddl.delta;
import org.eclipse.net4j.db.ddl.IDBIndexField;
import org.eclipse.net4j.db.ddl.delta.IDBDelta;
import org.eclipse.net4j.db.ddl.delta.IDBIndexDelta;
import org.eclipse.net4j.db.ddl.delta.IDBIndexFieldDelta;
import org.eclipse.net4j.db.ddl.delta.IDBPropertyDelta;
import org.eclipse.net4j.util.ObjectUtil;
/**
* @author Eike Stepper
*/
public final class DBIndexFieldDelta extends DBDelta implements IDBIndexFieldDelta
{
private static final long serialVersionUID = 1L;
public DBIndexFieldDelta(IDBDelta parent, ChangeKind changeKind, String name)
{
super(parent, name, changeKind);
}
public DBIndexFieldDelta(DBIndexDelta parent, IDBIndexField indexField, IDBIndexField oldIndexField)
{
this(parent, getChangeKind(indexField, oldIndexField), getName(indexField, oldIndexField));
Integer position = oldIndexField == null ? null : indexField.getPosition();
Integer oldPosition = oldIndexField == null ? null : oldIndexField.getPosition();
if (!ObjectUtil.equals(position, oldPosition))
{
addPropertyDelta(new DBPropertyDelta<Integer>("position", IDBPropertyDelta.Type.INTEGER, position, oldPosition));
}
}
/**
* Constructor for deserialization.
*/
protected DBIndexFieldDelta()
{
}
@Override
public IDBIndexDelta getParent()
{
return (IDBIndexDelta)super.getParent();
}
public int compareTo(IDBIndexFieldDelta o)
{
return getName().compareTo(o.getName());
}
}
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