/*******************************************************************************
 * Copyright (c) 2011, 2012 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.common.core.utility.jdt;

import org.eclipse.jdt.core.dom.Expression;

/**
 * Provide clients with a pluggable way to manipulate an <em>indexed</em>
 * annotation element modifying a "declaration".
 * <p>
 * This interface is not intended to be implemented by clients.
 * <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.
 * 
 * @param <T> the type of the objects in the array to be passed to and returned
 * by the adapter
 */
public interface IndexedDeclarationAnnotationElementAdapter<T>
	extends DeclarationAnnotationElementAdapter<T[]>
{
	/**
	 * Given the specified declaration, return the expression at the specified
	 * index.
	 * @throws IndexOutOfBoundsException if the index is out of range
	 */
	Expression selectExpression(ModifiedDeclaration declaration, int index);
}