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package edu.stanford.protege.webprotege.hierarchy;

import java.util.function.Consumer;

/**
 * Matthew Horridge
 * Stanford Center for Biomedical Informatics Research
 * 2021-04-20
 */
public abstract class EdgeChange extends GraphModelChange {

    private final GraphEdge edge;

    protected EdgeChange(GraphEdge edge) {
        this.edge = edge;
    }

    public GraphNode getPredecessor() {
        return edge.getPredecessor();
    }

    public GraphNode getSuccessor() {
        return edge.getSuccessor();
    }

    public GraphEdge getEdge() {
        return edge;
    }

    @Override
    void forEachGraphNode(Consumer> nodeConsumer) {
        nodeConsumer.accept(edge.getPredecessor());
        nodeConsumer.accept(edge.getSuccessor());
    }
}