public static BatchPoints create(String db, ZeitreihenDTO... zeitreihenDTOs)
throws ParseException {
BatchPoints batchPoints = BatchPoints.database(db).retentionPolicy("default").build();
for (ZeitreihenDTO zeitreihenDTO : zeitreihenDTOs) {
for (Long timestamp : timestamps(zeitreihenDTO)) {
GregorianCalendar calendar = new GregorianCalendar();
calendar.setTimeZone(TimeZone.getTimeZone("UTC"));
calendar.setTimeInMillis(timestamp);
int monat = calendar.get(Calendar.MONTH) + 1;
int jahr = calendar.get(Calendar.YEAR);
batchPoints.point(
Point.measurement("lastgang")
.tag("zaehlpunktbezeichnung", zeitreihenDTO.zaehlpunktbezeichnung)
.tag("commodity", zeitreihenDTO.commodity)
.tag("zaehlverfahren", zeitreihenDTO.zaehlverfahren)
.tag("monat", String.valueOf(monat))
.tag("jahr", String.valueOf(jahr))
.time(timestamp, TimeUnit.MILLISECONDS)
.field("value", randomValue())
.build());
}
}
return batchPoints;
}
/**
* Save list of points to influxDB
*
* @param points list
*/
private void savePointsToDb(List<Point> points) {
// add points to container
if (points != null) {
// ask for new container, we have to save each page on its own, so we don't run out of memory
BatchPoints container = dbClient.giveMeEmptyContainer();
for (Point point : points) {
container.point(point);
}
dbClient.saveContainerToDB(container);
}
}