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/*******************************************************************************
* Copyright (c) 2010-2012, Tamas Szabo, Istvan Rath and Daniel Varro
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-v20.html.
*
* SPDX-License-Identifier: EPL-2.0
*******************************************************************************/
package tools.refinery.viatra.runtime.rete.itc.alg.misc;
import java.util.Set;
public interface ITcRelation<V> {
/**
* Returns the starting nodes from a transitive closure relation.
*
* @return the set of starting nodes
*/
public Set<V> getTupleStarts();
/**
* Returns the set of nodes that are reachable from the given node.
*
* @param start
* the starting node
* @return the set of reachable nodes
*/
public Set<V> getTupleEnds(V start);
}
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