/*
* 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 JavaWrapper = require(EclairJS_Globals.NAMESPACE + '/JavaWrapper');
var Logger = require(EclairJS_Globals.NAMESPACE + '/Logger');
var Utils = require(EclairJS_Globals.NAMESPACE + '/Utils');
/**
* Represents a frequence sequence. param: sequence a sequence of itemsets stored as an Array of Arrays param: freq frequency
* @param {object[]} sequence
* @param {integer} freq
* @memberof module:eclairjs/mllib/fpm
* @constructor
*/
var PrefixSpanFreqSequence = function() {
var jvmObject;
this.logger = Logger.getLogger("PrefixSpanModelFreqSequence_js");
if(arguments[0] instanceof org.apache.spark.mllib.fpm.PrefixSpan.FreqSequence) {
jvmObject = arguments[0];
} else {
jvmObject = new org.apache.spark.mllib.fpm.PrefixSpan.FreqSequence(Utils.unwrapObject(arguments[0]), arguments[1]);
}
JavaWrapper.call(this, jvmObject);
};
PrefixSpanFreqSequence.prototype = Object.create(JavaWrapper.prototype);
PrefixSpanFreqSequence.prototype.constructor = PrefixSpanFreqSequence;
/**
* @returns {object[]}
*/
PrefixSpanFreqSequence.prototype.sequence = function() {
var javaObject = this.getJavaObject().javaSequence();
return Utils.javaToJs(javaObject);
};
/**
* @returns {integer}
*/
PrefixSpanFreqSequence.prototype.freq = function() {
return this.getJavaObject().freq();
};
PrefixSpanFreqSequence.prototype.toJSON = function() {
var jsonObj = {};
jsonObj.freq = this.freq();
jsonObj.sequence = this.sequence();
return jsonObj;
};
module.exports = PrefixSpanFreqSequence;
})();