/*
* 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.
*/
module.exports = function(kernelP) {
return (function() {
var Utils = require('../../utils.js');
var gKernelP = kernelP;
/**
* @classdesc
* Model fitted by {@link module:eclairjs/ml/feature.StringIndexer}.
*
* NOTE: During transformation, if the input column does not exist,
* {@link module:eclairjs/ml.Transformer#transform} would return the input dataset unmodified.
* This is a temporary fix for the case when target labels do not exist during prediction.
*
* @class
* @memberof module:eclairjs/ml/feature
* @param {string[]} labels Ordered list of labels, corresponding to indices to be assigned.
* @param {string} [uid]
*/
function StringIndexerModel() {
Utils.handleConstructor(this, arguments, gKernelP);
}
/**
* An immutable unique ID for the object and its derivatives.
* @returns {Promise.<string>}
*/
StringIndexerModel.prototype.uid = function () {
var args = {
target: this,
method: 'uid',
args: Utils.wrapArguments(arguments),
returnType: String
};
return Utils.generate(args);
};
/**
*
* @returns {Promise.<string[]>}
*/
StringIndexerModel.prototype.labels = function () {
var args = {
target: this,
method: 'labels',
args: Utils.wrapArguments(arguments),
returnType: [String]
};
return Utils.generate(args);
};
/**
* @param {string} value
* @returns {module:eclairjs/ml/feature.StringIndexerModel}
*/
StringIndexerModel.prototype.setHandleInvalid = function(value) {
var args = {
target: this,
method: 'setHandleInvalid',
args: Utils.wrapArguments(arguments),
returnType: StringIndexerModel
};
return Utils.generate(args);
};
/**
* @param {string} value
* @returns {module:eclairjs/ml/feature.StringIndexerModel}
*/
StringIndexerModel.prototype.setInputCol = function(value) {
var args = {
target: this,
method: 'setInputCol',
args: Utils.wrapArguments(arguments),
returnType: StringIndexerModel
};
return Utils.generate(args);
};
/**
* @param {string} value
* @returns {module:eclairjs/ml/feature.StringIndexerModel}
*/
StringIndexerModel.prototype.setOutputCol = function(value) {
var args = {
target: this,
method: 'setOutputCol',
args: Utils.wrapArguments(arguments),
returnType: StringIndexerModel
};
return Utils.generate(args);
};
/**
* @param {module:eclairjs/sql.Dataset} dataset
* @returns {module:eclairjs/sql.Dataset}
*/
StringIndexerModel.prototype.transform = function(dataset) {
var Dataset = require('../../sql/Dataset.js');
var args = {
target: this,
method: 'transform',
args: Utils.wrapArguments(arguments),
returnType: Dataset
};
return Utils.generate(args);
};
/**
* Validates and transforms the input schema.
* @param {module:eclairjs/sql/types.StructType} schema
* @returns {module:eclairjs/sql/types.StructType}
*/
StringIndexerModel.prototype.transformSchema = function(schema) {
var StructType = require('../../sql/types/StructType.js')();
var args = {
target: this,
method: 'transformSchema',
args: Utils.wrapArguments(arguments),
returnType: StructType
};
return Utils.generate(args);
};
/**
* @param {module:eclairjs/ml/param.ParamMap} extra
* @returns {module:eclairjs/ml/feature.StringIndexerModel}
*/
StringIndexerModel.prototype.copy = function(extra) {
var args = {
target: this,
method: 'copy',
args: Utils.wrapArguments(arguments),
returnType: StringIndexerModel
};
return Utils.generate(args);
};
/**
* @returns {StringIndexModelWriter}
*/
StringIndexerModel.prototype.write = function() {
throw "not implemented by ElairJS";
//
// function _resolve(result, resolve, reject) {
// try {
// var returnValue=result;
// resolve(returnValue);
// } catch (e) {
// var err = new Error("Parse Error: "+ e.message);
// reject(err);
// }
// };
// var args ={
// target: this,
// method: 'write',
// resolver: _resolve,
// returnType: StringIndexModelWriter
//
// };
//
// return Utils.generate(args);
};
//
// static methods
//
/**
* @returns {MLReader}
*/
StringIndexerModel.read = function() {
throw "not implemented by ElairJS";
// var args ={
// target: StringIndexerModel,
// method: 'read',
// returnType: MLReader
//
// };
//
// return Utils.generate(args);
};
/**
* @param {string} path
* @returns {module:eclairjs/ml/feature.StringIndexerModel}
*/
StringIndexerModel.load = function(path) {
var args = {
target: StringIndexerModel,
method: 'load',
kernelP: gKernelP,
static: true,
args: Utils.wrapArguments(arguments),
returnType: StringIndexerModel
};
return Utils.generate(args);
};
StringIndexerModel.moduleLocation = '/ml/feature/StringIndexerModel';
return StringIndexerModel;
})();
};