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/*******************************************************************************
* Copyright (c) 2008, 2011 Oracle. 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:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.jpa.core.context;
/**
* database unique constraint
* <p>
* Provisional API: This interface is part of an interim API that is still
* under development and expected to change significantly before reaching
* stability. It is available at this early stage to solicit feedback from
* pioneering adopters on the understanding that any code that uses this API
* will almost certainly be broken (repeatedly) as the API evolves.
*
* @version 2.1
* @since 2.0
*/
public interface UniqueConstraint
extends ReadOnlyUniqueConstraint
{
void initializeFrom(ReadOnlyUniqueConstraint oldUniqueConstraint);
// ********** column names **********
/**
* Add the specified column name to the end of the
* unique constraint's list of column names.
*/
void addColumnName(String columnName);
/**
* Add the specified column name to the
* unique constraint's list of column names
* at the specified index.
*/
void addColumnName(int index, String columnName);
/**
* Remove the specified column name from the
* unique constraint's list of column names.
*/
void removeColumnName(String columnName);
/**
* Remove the column name at the specified index from the
* unique constraint's list of column names.
*/
void removeColumnName(int index);
/**
* Move the column name at the specified source index
* to the specified target index in the
* unique constraint's list of column names.
*/
void moveColumnName(int targetIndex, int sourceIndex);
}
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