Java Vertex.equals方法代碼示例

import org.apache.tinkerpop.gremlin.structure.Vertex; //導入方法依賴的package包/類
/**
 * Checks sequentially vertices and edges of both graphs. Will check sequentially Vertex IDs, Vertex Properties IDs
 * and values and classes. Then same for edges. To use when serializing a Graph and deserializing the supposedly
 * same Graph.
 */
private boolean approximateGraphsCheck(Graph g1, Graph g2) {
    final Iterator<Vertex> itV = g1.vertices();
    final Iterator<Vertex> itVRead = g2.vertices();

    while (itV.hasNext()) {
        final Vertex v = itV.next();
        final Vertex vRead = itVRead.next();

        // Will only check IDs but that's 'good' enough.
        if (!v.equals(vRead)) {
            return false;
        }

        final Iterator itVP = v.properties();
        final Iterator itVPRead = vRead.properties();
        while (itVP.hasNext()) {
            final VertexProperty vp = (VertexProperty) itVP.next();
            final VertexProperty vpRead = (VertexProperty) itVPRead.next();
            if (!vp.value().equals(vpRead.value())
                    || !vp.equals(vpRead)) {
                return false;
            }
        }
    }

    final Iterator<Edge> itE = g1.edges();
    final Iterator<Edge> itERead = g2.edges();

    while (itE.hasNext()) {
        final Edge e = itE.next();
        final Edge eRead = itERead.next();
        // Will only check IDs but that's good enough.
        if (!e.equals(eRead)) {
            return false;
        }

        final Iterator itEP = e.properties();
        final Iterator itEPRead = eRead.properties();
        while (itEP.hasNext()) {
            final Property ep = (Property) itEP.next();
            final Property epRead = (Property) itEPRead.next();
            if (!ep.value().equals(epRead.value())
                    || !ep.equals(epRead)) {
                return false;
            }
        }
    }
    return true;
}