Examples with PollingDataSource com.serotonin.m2m2.rt.dataSource.PollingDataSource used on opensource projects

Example 1 with PollingDataSource

use of com.serotonin.m2m2.rt.dataSource.PollingDataSource in project ma-core-public by infiniteautomation.

the class DataSourceDwr method getPollTimes.

/**
 * Get the latest poll times and thier durations
 * @param id
 * @return
 */
@DwrPermission(user = true)
public ProcessResult getPollTimes(int id) {
    ProcessResult result = new ProcessResult();
    DataSourceRT ds = Common.runtimeManager.getRunningDataSource(id);
    List<StringStringPair> polls = new ArrayList<StringStringPair>();
    if ((ds != null) && (ds instanceof PollingDataSource)) {
        List<LongLongPair> list = ((PollingDataSource) ds).getLatestPollTimes();
        String pollTime;
        for (LongLongPair poll : list) {
            StringBuilder duration = new StringBuilder();
            pollTime = Functions.getFullMilliSecondTime(poll.getKey());
            if (poll.getValue() >= 0) {
                // Format Duration Nicely
                Period period = new Period(poll.getValue());
                if (period.getHours() >= 1) {
                    duration.append(translate("common.duration.hours", period.getHours()));
                    duration.append(SPACE);
                }
                if (period.getMinutes() >= 1) {
                    duration.append(translate("common.duration.minutes", period.getMinutes()));
                    duration.append(SPACE);
                }
                if (period.getSeconds() >= 1) {
                    duration.append(translate("common.duration.seconds", period.getSeconds()));
                    duration.append(SPACE);
                }
                duration.append(translate("common.duration.millis", period.getMillis()));
            } else {
                duration.append(translate("event.ds.pollAborted"));
            }
            StringStringPair pair = new StringStringPair(pollTime, duration.toString());
            polls.add(pair);
        }
    }
    List<String> aborts = new ArrayList<String>();
    if ((ds != null) && (ds instanceof PollingDataSource)) {
        List<Long> list = ((PollingDataSource) ds).getLatestAbortedPollTimes();
        String pollTime;
        for (Long poll : list) {
            pollTime = Functions.getFullMilliSecondTime(poll);
            aborts.add(pollTime);
        }
    }
    result.addData("polls", polls);
    result.addData("aborts", aborts);
    return result;
}

Example 2 with PollingDataSource

use of com.serotonin.m2m2.rt.dataSource.PollingDataSource in project ma-core-public by infiniteautomation.

the class RuntimeManagerImpl method startDataPointStartup.

/**
 * Only to be used at startup as synchronization has been reduced for performance
 * @param vo
 * @param latestValue
 */
private void startDataPointStartup(DataPointVO vo, List<PointValueTime> initialCache) {
    Assert.isTrue(vo.isEnabled(), "Data point not enabled");
    // Only add the data point if its data source is enabled.
    DataSourceRT<? extends DataSourceVO<?>> ds = getRunningDataSource(vo.getDataSourceId());
    if (ds != null) {
        // Change the VO into a data point implementation.
        DataPointRT dataPoint = new DataPointRT(vo, vo.getPointLocator().createRuntime(), ds.getVo(), initialCache);
        // Add/update it in the data image.
        synchronized (dataPoints) {
            dataPoints.compute(dataPoint.getId(), (k, rt) -> {
                if (rt != null) {
                    try {
                        getRunningDataSource(rt.getDataSourceId()).removeDataPoint(rt);
                    } catch (Exception e) {
                        LOG.error("Failed to stop point RT with ID: " + vo.getId() + " stopping point.", e);
                    }
                    DataPointListener l = getDataPointListeners(vo.getId());
                    if (l != null)
                        l.pointTerminated();
                    rt.terminate();
                }
                return dataPoint;
            });
        }
        // Initialize it.
        dataPoint.initialize();
        // If we are a polling data source then we need to wait to start our interval logging
        // until the first poll due to quantization
        boolean isPolling = ds instanceof PollingDataSource;
        // If we are not polling go ahead and start the interval logging, otherwise we will let the data source do it on the first poll
        if (!isPolling)
            dataPoint.initializeIntervalLogging(0l, false);
        DataPointListener l = getDataPointListeners(vo.getId());
        if (l != null)
            l.pointInitialized();
        // Add/update it in the data source.
        try {
            ds.addDataPoint(dataPoint);
        } catch (Exception e) {
            // This can happen if there is a corrupt DB with a point for a different
            // data source type linked to this data source...
            LOG.error("Failed to start point with xid: " + dataPoint.getVO().getXid() + " disabling point.", e);
            // TODO Fire Alarm to warn user.
            dataPoint.getVO().setEnabled(false);
            // Stop it
            saveDataPoint(dataPoint.getVO());
        }
    }
}