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/*******************************************************************************
* Copyright (c) 2007, 2010 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.core.resource.java;
import java.util.ListIterator;
import org.eclipse.jdt.core.dom.CompilationUnit;
/**
* Corresponds to the JPA annotation
* javax.persistence.UniqueConstraint
*
* 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 2.2
* @since 2.0
*/
public interface UniqueConstraintAnnotation
extends Annotation
{
String ANNOTATION_NAME = JPA.UNIQUE_CONSTRAINT;
/**
* Corresponds to the 'columnNames' element of the UniqueConstraint annotation.
* Return null if the element does not exist in the annotation.
*/
ListIterator<String> columnNames();
String COLUMN_NAMES_LIST = "columnNames"; //$NON-NLS-1$
/**
* Corresponds to the 'columnNames' element of the UniqueConstraint annotation.
*/
int columnNamesSize();
/**
* Corresponds to the 'columnNames' element of the UniqueConstraint annotation.
*/
void addColumnName(String columnName);
/**
* Corresponds to the 'columnNames' element of the UniqueConstraint annotation.
*/
void addColumnName(int index, String columnName);
/**
* Corresponds to the 'columnNames' element of the UniqueConstraint annotation.
*/
void moveColumnName(int targetIndex, int sourceIndex);
/**
* Corresponds to the 'columnNames' element of the UniqueConstraint annotation.
*/
void removeColumnName(String columnName);
/**
* Corresponds to the 'columnNames' element of the UniqueConstraint annotation.
*/
void removeColumnName(int index);
/**
* Return whether the specified position touches the 'columnNames' element.
* Return false if the element does not exist.
*/
boolean columnNamesTouches(int pos, CompilationUnit astRoot);
}
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