AbstractVisualizationInput.java

/**
 * Copyright (c) 2004-2025 Carnegie Mellon University and others. (see Contributors file). 
 * All Rights Reserved.
 * 
 * NO WARRANTY. ALL MATERIAL IS FURNISHED ON AN "AS-IS" BASIS. CARNEGIE MELLON UNIVERSITY MAKES NO WARRANTIES OF ANY
 * KIND, EITHER EXPRESSED OR IMPLIED, AS TO ANY MATTER INCLUDING, BUT NOT LIMITED TO, WARRANTY OF FITNESS FOR PURPOSE
 * OR MERCHANTABILITY, EXCLUSIVITY, OR RESULTS OBTAINED FROM USE OF THE MATERIAL. CARNEGIE MELLON UNIVERSITY DOES NOT
 * MAKE ANY WARRANTY OF ANY KIND WITH RESPECT TO FREEDOM FROM PATENT, TRADEMARK, OR COPYRIGHT INFRINGEMENT.
 * 
 * This program and the accompanying materials are made available under the terms of the Eclipse Public License 2.0
 * which is available at https://www.eclipse.org/legal/epl-2.0/
 * SPDX-License-Identifier: EPL-2.0
 * 
 * Created, in part, with funding and support from the United States Government. (see Acknowledgments file).
 * 
 * This program includes and/or can make use of certain third party source code, object code, documentation and other
 * files ("Third Party Software"). The Third Party Software that is used by this program is dependent upon your system
 * configuration. By using this program, You agree to comply with any and all relevant Third Party Software terms and
 * conditions contained in any such Third Party Software or separate license file distributed with such Third Party
 * Software. The parties who own the Third Party Software ("Third Party Licensors") are intended third party benefici-
 * aries to this license with respect to the terms applicable to their Third Party Software. Third Party Software li-
 * censes only apply to the Third Party Software and not any other portion of this program or this program as a whole.
 */
package org.osate.ui.dependencyvisualization;

import java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.function.Function;
import java.util.function.Predicate;

abstract class AbstractVisualizationInput<T> implements IVisualizationInput {
	protected final List<T> scopedElements;

	protected AbstractVisualizationInput(List<T> scopedElements) {
		this.scopedElements = Collections.unmodifiableList(scopedElements);
	}

	@Override
	public boolean isInScope(Object entity) {
		return scopedElements.contains(entity);
	}

	protected static <T> void traverseDependencies(T start, Set<T> visited, Predicate<T> filter,
			Function<T, Iterable<T>> getDependencies) {
		for (T dependency : getDependencies.apply(start)) {
			if (filter.test(dependency) && !visited.contains(dependency)) {
				visited.add(dependency);
				traverseDependencies(dependency, visited, filter, getDependencies);
			}
		}
	}
}