@Override
    public String toString() {
        return StringFactory.vertexProgramString(this, "distributeVote=" + this.distributeVote + ", maxIterations=" + this.maxIterations);
    }
@author Marko A. Rodriguez (http://markorodriguez.com)
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/computer/clustering/peerpressure/PeerPressureVertexProgram.java