/*
* 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 Transformer = require('./Transformer')();
/**
* @classdesc
* Abstract class for transformers that take one input column, apply transformation, and output the
* result as a new column.
* @class
* @memberof module:eclairjs/ml
* @extends module:eclairjs/ml.Transformer
*/
function UnaryTransformer() {
Utils.handleAbstractConstructor(this, arguments);
}
UnaryTransformer.prototype = Object.create(Transformer.prototype);
UnaryTransformer.prototype.constructor = UnaryTransformer;
/**
* @param {string} value
* @returns {module:eclairjs/ml.UnaryTransformer}
*/
UnaryTransformer.prototype.setInputCol = function(value) {
var args = {
target: this,
method: 'setInputCol',
args: Utils.wrapArguments(arguments),
returnType: Utils.getContextClass(this)
};
return Utils.generate(args);
};
/**
* @param {string} value
* @returns {module:eclairjs/ml.UnaryTransformer}
*/
UnaryTransformer.prototype.setOutputCol = function(value) {
var args = {
target: this,
method: 'setOutputCol',
args: Utils.wrapArguments(arguments),
returnType: Utils.getContextClass(this)
};
return Utils.generate(args);
};
/**
* @param {module:eclairjs/sql/types.StructType} schema
* @returns {module:eclairjs/sql/types.StructType}
*/
UnaryTransformer.prototype.transformSchema = function(schema) {
var StructType = require('../sql/types/StructType')();
var args = {
target: this,
method: 'transformSchema',
args: Utils.wrapArguments(arguments),
returnType: StructType
};
return Utils.generate(args);
};
/**
* @param {module:eclairjs/sql.DataFrame} dataset
* @returns {module:eclairjs/sql.DataFrame}
*/
UnaryTransformer.prototype.transform = function(dataset) {
var DataFrame = require('../sql/DataFrame');
var args = {
target: this,
method: 'transform',
args: Utils.wrapArguments(arguments),
returnType: DataFrame
};
return Utils.generate(args);
};
/**
* @param {module:eclairjs/ml/param.ParamMap} extra
* @returns {module:eclairjs/ml.UnaryTransformer}
*/
UnaryTransformer.prototype.copy = function(extra) {
var args = {
target: this,
method: 'copy',
args: Utils.wrapArguments(arguments),
returnType: Utils.getContextClass(this)
};
return Utils.generate(args);
};
return UnaryTransformer;
})();
};