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A driver for DataStax Enterprise (DSE) and Apache Cassandra 1.2+ clusters that works exclusively with the Cassandra Query Language version 3 (CQL3) and Cassandra's binary protocol, supporting DSE-specific features such as geospatial types, DSE Graph and DSE authentication.

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/*
 * Copyright DataStax, Inc.
 *
 * This software can be used solely with DataStax Enterprise. Please consult the license at
 * http://www.datastax.com/terms/datastax-dse-driver-license-terms
 */
package com.datastax.driver.dse.graph;

/**
 * Defines a subprotocol to be used by the Java driver to communicate with DSE Graph. The
 * subprotocol is stacked on top of the Apache Cassandra Native Protocol, and allows to handle the
 * needs of specific DSE workloads.
 */
public enum GraphProtocol {
  /**
   * GraphSON1 is unsafe since it doesn't have an advanced typing format which causes type loss when
   * transferring data to the server or receiving data. We recommend using {@link
   * com.datastax.driver.dse.graph.GraphProtocol#GRAPHSON_2_0} instead.
   */
  GRAPHSON_1_0("graphson-1.0"),

  /** Improvement of the GraphSON1 format that brings strong data-type information support. */
  GRAPHSON_2_0("graphson-2.0");

  private final String protocolReference;

  GraphProtocol(String protocolReference) {
    this.protocolReference = protocolReference;
  }

  public String getProtocolReference() {
    return protocolReference;
  }
}