anomaly-detector/lib/memoryDataSource.js

Data anomaly detector for NodeJS

/**
 * Memory data source
 *
 * @package AnomalyDetector.DataSource
 */
var MemoryDataSource = {
    distributions : {},

    /**
     * Initialize data source
     * 
     * @param {object} options
     * @param {callable} cb
     * @returns {void}
     * @access public
     */
    init: function(options, cb) {
        cb();
    },
    
    /**
     * Close data source
     * 
     * @returns {void}
     * @access public
     */
    close : function() {},
    
    /**
     * Save multiple distribution parameters
     * 
     * @param {object} distributions
     * @param {callable} cb
     * @returns {void}
     * @access public
     */
    set : function(distributions, cb) {
        // overwrite distribution data
        for (var i in distributions) {
            this.distributions[i] = distributions[i];
        }
        cb();
    },
    
    /**
     * Get distribution parameters by variable id
     * 
     * @param {string|integer} id
     * @param {callable} cb
     * @returns {void}
     * @access public
     */
    get : function(id, cb) {
        cb(this.distributions[id]);
    }
};

exports = module.exports = MemoryDataSource;