/*
* 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 Model = require(EclairJS_Globals.NAMESPACE + '/ml/Model');
var Logger = require(EclairJS_Globals.NAMESPACE + '/Logger');
var Utils = require(EclairJS_Globals.NAMESPACE + '/Utils');
/**
* @classdesc
* Model fitted by {@link module:eclairjs/ml.MinMaxScaler}.
*
*
* TODO: The transformer does not yet set the metadata in the output column (SPARK-8529).
* @class
* @memberof module:eclairjs/ml/feature
* @extends module:eclairjs/ml.Model
*/
var MinMaxScalerModel = function (jvmObject) {
this.logger = Logger.getLogger("MinMaxScalerModel_js");
Model.call(this, jvmObject);
};
MinMaxScalerModel.prototype = Object.create(Model.prototype);
MinMaxScalerModel.prototype.constructor = MinMaxScalerModel;
/**
* An immutable unique ID for the object and its derivatives.
* @returns {string}
*/
MinMaxScalerModel.prototype.uid = function () {
return this.getJavaObject().uid();
};
/**
*
* @returns {module:eclairjs/mllib/linalg.Vector}
*/
MinMaxScalerModel.prototype.originalMin = function () {
var javaObject = this.getJavaObject().originalMin();
return Utils.javaToJs(javaObject);
};
/**
*
* @returns {module:eclairjs/mllib/linalg.Vector}
*/
MinMaxScalerModel.prototype.originalMax = function () {
var javaObject = this.getJavaObject().originalMax();
return Utils.javaToJs(javaObject);
};
/**
* @param {string} value
* @returns {module:eclairjs/ml/feature.MinMaxScalerModel}
*/
MinMaxScalerModel.prototype.setInputCol = function (value) {
var javaObject = this.getJavaObject().setInputCol(value);
return new MinMaxScalerModel(javaObject);
};
/**
* @param {string} value
* @returns {module:eclairjs/ml/feature.MinMaxScalerModel}
*/
MinMaxScalerModel.prototype.setOutputCol = function (value) {
var javaObject = this.getJavaObject().setOutputCol(value);
return new MinMaxScalerModel(javaObject);
};
/**
* @param {float} value
* @returns {module:eclairjs/ml/feature.MinMaxScalerModel}
*/
MinMaxScalerModel.prototype.setMin = function (value) {
var javaObject = this.getJavaObject().setMin(value);
return new MinMaxScalerModel(javaObject);
};
/**
* @param {float} value
* @returns {module:eclairjs/ml/feature.MinMaxScalerModel}
*/
MinMaxScalerModel.prototype.setMax = function (value) {
var javaObject = this.getJavaObject().setMax(value);
return new MinMaxScalerModel(javaObject);
};
/**
* @param {module:eclairjs/sql.Dataset} dataset
* @returns {module:eclairjs/sql.Dataset}
*/
MinMaxScalerModel.prototype.transform = function (dataset) {
var dataset_uw = Utils.unwrapObject(dataset);
var javaObject = this.getJavaObject().transform(dataset_uw);
return Utils.javaToJs(javaObject);
};
/**
* @param {module:eclairjs/ml/param.ParamMap} extra
* @returns {module:eclairjs/ml/feature.MinMaxScalerModel}
*/
MinMaxScalerModel.prototype.copy = function (extra) {
var extra_uw = Utils.unwrapObject(extra);
var javaObject = this.getJavaObject().copy(extra_uw);
return new MinMaxScalerModel(javaObject);
};
/**
* @returns {module:eclairjs/ml/util.MLWriter}
*/
MinMaxScalerModel.prototype.write = function () {
var MLWriter = require(EclairJS_Globals.NAMESPACE + '/ml/util/MLWriter');
var javaObject = this.getJavaObject().write();
/*
the object is an inner class so don't use Utils.javaToJs
to create the MLWriter object.
*/
return new MLWriter(javaObject);
};
/**
* lower bound after transformation, shared by all features Default: 0.0
* @returns {module:eclairjs/ml/param.DoubleParam}
*/
MinMaxScalerModel.prototype.min = function () {
var javaObject = this.getJavaObject().min();
return Utils.javaToJs(javaObject);
};
/**
* @returns {float}
*/
MinMaxScalerModel.prototype.getMin = function () {
return this.getJavaObject().getMin();
};
/**
* upper bound after transformation, shared by all features Default: 1.0
* @returns {module:eclairjs/ml/param.DoubleParam}
*/
MinMaxScalerModel.prototype.max = function () {
var javaObject = this.getJavaObject().max();
return Utils.javaToJs(javaObject);
};
/**
* @returns {float}
*/
MinMaxScalerModel.prototype.getMax = function () {
return this.getJavaObject().getMax();
};
/**
* Validates and transforms the input schema.
* @param {module:eclairjs/sql/types.StructType} schema
* @returns {module:eclairjs/sql/types.StructType}
*/
MinMaxScalerModel.prototype.validateAndTransformSchema = function (schema) {
var schema_uw = Utils.unwrapObject(schema);
var javaObject = this.getJavaObject().validateAndTransformSchema(schema_uw);
return Utils.javaToJs(javaObject);
};
/**
*
*/
MinMaxScalerModel.prototype.validateParams = function () {
return this.getJavaObject().validateParams();
};
//
// static methods
//
/**
* @returns {module:eclairjs/ml/util.MLReader}
*/
MinMaxScalerModel.read = function () {
var MLReader = require(EclairJS_Globals.NAMESPACE + '/ml/util/MLReader');
var javaObject = org.apache.spark.ml.feature.MinMaxScalerModel.read();
/*
The object is and inner class so don't user Utils.javaToJs
to create th MLReader.
*/
return new MLReader(javaObject);
};
/**
* @param {string} path
* @returns {module:eclairjs/ml/feature.MinMaxScalerModel}
*/
MinMaxScalerModel.load = function (path) {
var javaObject = org.apache.spark.ml.feature.MinMaxScalerModel.load(path);
return new MinMaxScalerModel(javaObject);
};
module.exports = MinMaxScalerModel;
})();