-import CommandStatisticsData from '../types/CommandStatisticsData';
+import CommandStatistics, { CommandStatisticsData, PerfEntry } from '../types/CommandStatistics';
+
+import CircularArray from './CircularArray';
import Configuration from './Configuration';
import Constants from './Constants';
import { PerformanceEntry } from 'perf_hooks';
export default class Statistics {
private static instance: Statistics;
private _objName: string;
- private _commandsStatistics: {
- [command: string]: CommandStatisticsData
- };
+ private _commandsStatistics: CommandStatistics;
private constructor() {
- this._commandsStatistics = {};
+ this._commandsStatistics = {} as CommandStatistics;
}
set objName(objName: string) {
logPerformance(entry: PerformanceEntry, className: string): void {
this.addPerformanceTimer(entry.name, entry.duration);
- logger.info(`${this._logPrefix()} class->${className}, method->${entry.name}, duration->${entry.duration}`);
+ const perfEntry: PerfEntry = {} as PerfEntry;
+ perfEntry.name = entry.name;
+ perfEntry.entryType = entry.entryType;
+ perfEntry.startTime = entry.startTime;
+ perfEntry.duration = entry.duration;
+ logger.info(`${this._logPrefix()} object ${className} method(s) performance entry: %j`, perfEntry);
+ }
+
+ start(): void {
+ this._displayInterval();
}
- _display(): void {
+ private _display(): void {
logger.info(this._logPrefix() + ' %j', this._commandsStatistics);
}
- _displayInterval(): void {
+ private _displayInterval(): void {
if (Configuration.getStatisticsDisplayInterval() > 0) {
setInterval(() => {
this._display();
}
}
- start(): void {
- this._displayInterval();
+ private median(dataSet: number[]): number {
+ if (Array.isArray(dataSet) && dataSet.length === 1) {
+ return dataSet[0];
+ }
+ const sortedDataSet = dataSet.slice().sort();
+ const middleIndex = Math.floor(sortedDataSet.length / 2);
+ if (sortedDataSet.length % 2) {
+ return sortedDataSet[middleIndex / 2];
+ }
+ return (sortedDataSet[(middleIndex - 1)] + sortedDataSet[middleIndex]) / 2;
}
private addPerformanceTimer(command: string, duration: number): void {
this._commandsStatistics[command] = {} as CommandStatisticsData;
}
// Update current statistics timers
- this._commandsStatistics[command].countTime = this._commandsStatistics[command].countTime ? this._commandsStatistics[command].countTime + 1 : 1;
- this._commandsStatistics[command].minTime = this._commandsStatistics[command].minTime ? (this._commandsStatistics[command].minTime > duration ? duration : this._commandsStatistics[command].minTime) : duration;
- this._commandsStatistics[command].maxTime = this._commandsStatistics[command].maxTime ? (this._commandsStatistics[command].maxTime < duration ? duration : this._commandsStatistics[command].maxTime) : duration;
- this._commandsStatistics[command].totalTime = this._commandsStatistics[command].totalTime ? this._commandsStatistics[command].totalTime + duration : duration;
- this._commandsStatistics[command].avgTime = this._commandsStatistics[command].totalTime / this._commandsStatistics[command].countTime;
+ this._commandsStatistics[command].countTimeMeasurement = this._commandsStatistics[command].countTimeMeasurement ? this._commandsStatistics[command].countTimeMeasurement + 1 : 1;
+ this._commandsStatistics[command].currentTimeMeasurement = duration;
+ this._commandsStatistics[command].minTimeMeasurement = this._commandsStatistics[command].minTimeMeasurement ? (this._commandsStatistics[command].minTimeMeasurement > duration ? duration : this._commandsStatistics[command].minTimeMeasurement) : duration;
+ this._commandsStatistics[command].maxTimeMeasurement = this._commandsStatistics[command].maxTimeMeasurement ? (this._commandsStatistics[command].maxTimeMeasurement < duration ? duration : this._commandsStatistics[command].maxTimeMeasurement) : duration;
+ this._commandsStatistics[command].totalTimeMeasurement = this._commandsStatistics[command].totalTimeMeasurement ? this._commandsStatistics[command].totalTimeMeasurement + duration : duration;
+ this._commandsStatistics[command].avgTimeMeasurement = this._commandsStatistics[command].totalTimeMeasurement / this._commandsStatistics[command].countTimeMeasurement;
+ Array.isArray(this._commandsStatistics[command].timeMeasurementSeries) ? this._commandsStatistics[command].timeMeasurementSeries.push(duration) : this._commandsStatistics[command].timeMeasurementSeries = [duration] as CircularArray<number>;
+ this._commandsStatistics[command].medTimeMeasurement = this.median(this._commandsStatistics[command].timeMeasurementSeries);
}
private _logPrefix(): string {