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JUnit extension for simple testing of JPA entities and components

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/*
 * (C) Copyright 2017-2017, by Dimitrios Michail and Contributors.
 *
 * JGraphT : a free Java graph-theory library
 *
 * This program and the accompanying materials are dual-licensed under
 * either
 *
 * (a) the terms of the GNU Lesser General Public License version 2.1
 * as published by the Free Software Foundation, or (at your option) any
 * later version.
 *
 * or (per the licensee's choosing)
 *
 * (b) the terms of the Eclipse Public License v1.0 as published by
 * the Eclipse Foundation.
 */
package eu.drus.jpa.unit.neo4j.dataset.graphml;

import java.util.Map;

/**
 * Defines a provider of edges of type E
 *
 * @param 
 *            the type of vertex being linked.
 * @param 
 *            the type of edge being created.
 */
public interface EdgeProvider {

    /**
     * Construct an edge
     *
     * @param from
     *            the source vertex
     * @param to
     *            the target vertex
     * @param label
     *            the label of the edge.
     * @param attributes
     *            extra attributes for the edge.
     *
     * @return the edge.
     */
    E buildEdge(V from, V to, String label, Map attributes);
}