| /******************************************************************************* |
| * Copyright (c) 2008, 2013 Oracle. All rights reserved. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License 2.0, which accompanies this distribution |
| * and is available at https://www.eclipse.org/legal/epl-2.0/. |
| * |
| * 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 SpecifiedUniqueConstraint |
| extends UniqueConstraint |
| { |
| void initializeFrom(UniqueConstraint 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); |
| |
| |
| // ********** validation *********** |
| |
| /** |
| * Return whether this unique constraint is <em>equivalent</em> to the |
| * specified unique constraint. |
| */ |
| boolean isEquivalentTo(SpecifiedUniqueConstraint uniqueConstraint); |
| |
| |
| // ********** parent adapter ********** |
| |
| /** |
| * All parents must implement this interface. |
| */ |
| interface Parent |
| extends JpaContextModel |
| { |
| Iterable<String> getCandidateUniqueConstraintColumnNames(); |
| } |
| } |