class EchoGraph extends GraphGeneratorBase<LongValue, NullValue, NullValue> {

	@Override
	public Graph<LongValue, NullValue, NullValue> generate() {
		return new CirculantGraph(env, vertexCount)
			.addRange((vertexCount - vertexDegree + 1) / 2, vertexDegree)
			.setParallelism(parallelism)
			.generate();
	}

	public  EchoGraph(ExecutionEnvironment env, long vertexCount, long vertexDegree);

}