org.key_project.slicing.graph.AnnotatedEdge Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of keyext.slicing Show documentation

Computiation of the proof core (the essential rule applications to close a proof)

There is a newer version: 2.12.2

/* This file is part of KeY - https://key-project.org
 * KeY is licensed under the GNU General Public License Version 2
 * SPDX-License-Identifier: GPL-2.0-only */
package org.key_project.slicing.graph;

import de.uka.ilkd.key.proof.Node;

import org.key_project.util.collection.DefaultEdge;

/**
 * An edge of the dependency graph. Stores additional metadata.
 *
 * @author Arne Keller
 */
public class AnnotatedEdge extends DefaultEdge {
    /**
     * The node that added this edge to the dependency graph.
     */
    private final Node proofStep;
    /**
     * Whether the proof step consumes (replaces) the input formula.
     */
    private final boolean consumesInput;

    /**
     * Construct a new annotated edge.
     *
     * @param proofStep proof step
     * @param consumesInput whether the step replaced the input formula
     */
    public AnnotatedEdge(Node proofStep, boolean consumesInput) {
        this.proofStep = proofStep;
        this.consumesInput = consumesInput;
    }

    /**
     * @return the node that added this edge to the dependency graph
     */
    public Node getProofStep() {
        return proofStep;
    }

    /**
     * @return whether the proof step consumes (replaces) the input formula
     */
    public boolean replacesInputNode() {
        return consumesInput;
    }
}