Filter.java

/**
 * Copyright (C) 2006-2017 INRIA and contributors
 * Spoon - http://spoon.gforge.inria.fr/
 *
 * This software is governed by the CeCILL-C License under French law and
 * abiding by the rules of distribution of free software. You can use, modify
 * and/or redistribute the software under the terms of the CeCILL-C license as
 * circulated by CEA, CNRS and INRIA at http://www.cecill.info.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the CeCILL-C License for more details.
 *
 * The fact that you are presently reading this means that you have had
 * knowledge of the CeCILL-C license and that you accept its terms.
 */
package spoon.reflect.visitor;

import spoon.reflect.declaration.CtElement;

/**
 * This interface defines a filter for program elements.
 *
 * @param <T>
 * 		the type of the filtered elements (an element belonging to the
 * 		filtered element must be assignable from <code>T</code>).
 */
public interface Filter<T extends CtElement> {
	/**
	 * Tells if the given element matches.
	 * @param element - the element to be checked for a match. Parameter element is never null if {@link Query} is used.
	 */
	boolean matches(T element);

}