Method constructor

lib/mapping/mapper.js:68–81

* Creates a new instance of Mapper. * @param {Client} client The Client instance to use to execute the queries and fetch the metadata. * @param {MappingOptions} [options] The [MappingOptions]module:mapping~MappingOptions containing the * information of the models and table mappings.

(client, options)

   * information of the models and table mappings.
   */
  constructor(client, options) {
    if (!client) {
      throw new Error('client must be defined');
    }

    /**
     * The Client instance used to create this Mapper instance.
     * @type {Client}
     */
    this.client = client;

    this._modelMappingInfos = ModelMappingInfo.parse(options, client.keyspace);
    this._modelMappers = new Map();
  }

  /**
   * Gets a [ModelMapper]{@link module:mapping~ModelMapper} that is able to map documents of a certain model into