/*
* Copyright 2015 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 JavaWrapper = require(EclairJS_Globals.NAMESPACE + '/JavaWrapper');
/**
* @constructor
* @classdesc The base type of all Spark SQL data types.
* @memberof module:eclairjs/sql/types
*/
var DataType = function(jvmObj) {
JavaWrapper.call(this, jvmObj);
};
DataType.prototype = Object.create(JavaWrapper.prototype);
DataType.prototype.constructor = DataType;
/**
* The default size of a value of this data type, used internally for size estimation.
* @abstract
* @returns {integer}
*/
DataType.prototype.defaultSize = function () {
var pack = this.getJavaObject().getClass().getPackage();
return this.getJavaObject().defaultSize();
};
/**
* @param {string} json
* @returns {module:eclairjs/sql/types.DataType}
*/
DataType.fromJson = function (json) {
return new DataType(new org.apache.spark.sql.types.DataType.fromJson(json));
};
/**
* The compact JSON representation of this data type.
* @returns {string}
*/
DataType.prototype.json = function () {
return this.getJavaObject().json();
};
DataType.prototype.toJSON = function () {
return this.typeName();
};
/**
*The pretty (i.e. indented) JSON representation of this data type.
* @returns {string}
*/
DataType.prototype.prettyJson = function () {
return this.getJavaObject().prettyJson();
};
/**
* Name of the type used in JSON serialization.
* @returns {string}
*/
DataType.prototype.typeName = function () {
return this.getJavaObject().typeName();
};
/**
* @returns {string}
*/
DataType.prototype.simpleString = function () {
return this.getJavaObject().simpleString();
};
module.exports = DataType;
})();