/**
* Publish the description for this timeseries This is performed automatically at start of series
* data publication, but subsequent changes to the description will not be published
* automatically, and this method provides a means to send an update
*/
public void publishDescription(IdentifiableTimeSeries identifiable) {
SeriesDescriptionMessage d =
udpMessageFactory.createTimeSeriesDescriptionMessage(
identifiable.getPath(), identifiable.getDescription());
seriesWithDescriptionsPublished.put(identifiable, null);
safelyAddToQueue(d);
}
public void itemsAddedOrInserted(TimeSeriesEvent e) {
if (e.isAppend()) {
IdentifiableTimeSeries i = (IdentifiableTimeSeries) e.getSource();
// only publish the description at the first point we actually have valid data to publish
// this avoids creating unnecessary empty series in downstream components
if (!isDescriptionPublished(i)) {
publishDescription(i);
}
if (e.getItems().size() == 1) {
TimeSeriesValueMessage m =
udpMessageFactory.createTimeSeriesValueMessage(i.getPath(), e.getItems().get(0));
safelyAddToQueue(m);
if (!started.getAndSet(true)) {
startPublisherQueue();
}
}
}
}
/** Stop publishing single items appends for series s */
public void stopPublishing(IdentifiableTimeSeries s) {
s.removeTimeSeriesListener(appendPublishingListener);
}
/** Publish all single item appends to series s */
public void publishAppends(IdentifiableTimeSeries s) {
s.addTimeSeriesListener(appendPublishingListener);
}
