/*
* Copyright 2016 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
(function () {
var Encoder = Java.type('org.eclairjs.nashorn.wrap.sql.Encoder');
/**
* @classdesc
* :: Experimental ::
* Used to convert a JVM object of type `T` to and from the internal Spark SQL representation.
*
*
* @example
* var data = ["abc", "abc", "xyz"];
* var ds = context.createDataset(data, Encoders.STRING());
*
* Encoders can be composed into tuples:
*
* @example
* var encoder2 = Encoders.tuple(Encoders.INT(), Encoders.STRING());
* var data2 = [new Tuple2(1, "a")];
* var ds2 = context.createDataset(data2, encoder2);
*
*
* @since EclairJS 0.5 Spark 1.6.0
* @class Encoder
* @memberof module:eclairjs/sql
*/
/**
* Returns the schema of encoding this type of object as a Row.
* @function
* @name module:eclairjs/sql/Encoder#schema
* @returns {module:eclairjs/sql/types.StructType}
*/
/**
* A ClassTag that can be used to construct and Array to contain a collection of `T`.
* @function
* @name module:eclairjs/sql/Encoder#schema
* @returns {ClassTag}
* @private
*/
module.exports = Encoder;
})();