Examples with TimeSeries org.spf4j.tsdb2.TimeSeries used on opensource projects

Example 31 with TimeSeries

use of org.spf4j.tsdb2.TimeSeries in project spf4j by zolyfarkas.

the class Charts method createHeatJFreeChart.

public static JFreeChart createHeatJFreeChart(final TimeSeries data, final TableDef info) {
    Pair<long[], double[][]> mData = fillGaps(data.getTimeStamps(), data.getValues(), info.getSampleTime(), info.getColumns().size());
    ColumnDef columnDef = TSDBQuery.getColumnDef(info, "total");
    return org.spf4j.perf.impl.chart.Charts.createHeatJFreeChart(TSDBQuery.getColumnNames(info), mData.getSecond(), data.getTimeStamps()[0], info.getSampleTime(), columnDef.getUnitOfMeasurement(), "Measurements distribution for " + info.getName() + ", sampleTime " + info.getSampleTime() + "ms, generated by spf4j");
}

Example 32 with TimeSeries

use of org.spf4j.tsdb2.TimeSeries in project spf4j by zolyfarkas.

the class Charts method createJFreeCharts.

public static List<JFreeChart> createJFreeCharts(final TimeSeries data, final TableDef info) {
    long[][] vals = data.getValues();
    Map<String, Pair<List<String>, List<double[]>>> measurementsByUom = new HashMap<>();
    // String[] columnMetaData = TSDBQuery.getColumnUnitsOfMeasurement(info);
    int i = 0;
    for (ColumnDef colDef : info.getColumns()) {
        String uom = colDef.getUnitOfMeasurement();
        Pair<List<String>, List<double[]>> meas = measurementsByUom.get(uom);
        if (meas == null) {
            meas = Pair.of((List<String>) new ArrayList<String>(), (List<double[]>) new ArrayList<double[]>());
            measurementsByUom.put(uom, meas);
        }
        meas.getFirst().add(colDef.getName());
        meas.getSecond().add(Arrays.getColumnAsDoubles(vals, i));
        i++;
    }
    long[] timestamps = data.getTimeStamps();
    List<JFreeChart> result = new ArrayList<>(measurementsByUom.size());
    for (Map.Entry<String, Pair<List<String>, List<double[]>>> entry : measurementsByUom.entrySet()) {
        Pair<List<String>, List<double[]>> p = entry.getValue();
        final List<String> measurementNames = p.getFirst();
        final List<double[]> measurements = p.getSecond();
        result.add(org.spf4j.perf.impl.chart.Charts.createTimeSeriesJFreeChart("chart for " + info.getName() + ", sampleTime " + info.getSampleTime() + " ms, generated by spf4j", timestamps, measurementNames.toArray(new String[measurementNames.size()]), entry.getKey(), measurements.toArray(new double[measurements.size()][])));
    }
    return result;
}

Example 33 with TimeSeries

use of org.spf4j.tsdb2.TimeSeries in project spf4j by zolyfarkas.

the class TimeSeriesDatabase method tail.

@SuppressFBWarnings("MDM_THREAD_YIELD")
public void tail(final long pollMillis, final long from, final TSDataHandler handler) throws IOException {
    Map<String, TSTable> lastState = new HashMap<>();
    long lastSize = 0;
    while (!Thread.currentThread().isInterrupted() && !handler.finish()) {
        long currSize = this.file.length();
        if (currSize > lastSize) {
            // see if we have new Tables;
            reReadTableInfos();
            Map<String, TSTable> currState = getTsTables();
            for (String tableName : Sets.difference(currState.keySet(), lastState.keySet())) {
                handler.newTable(tableName, currState.get(tableName).getColumnNames());
            }
            for (TSTable table : currState.values()) {
                final String tableName = table.getTableName();
                TSTable prevTableState = lastState.get(tableName);
                final long currLastDataFragment = table.getLastDataFragment();
                if (prevTableState == null) {
                    long lastDataFragment = table.getFirstDataFragment();
                    if (lastDataFragment > 0) {
                        TimeSeries data = read(from, Long.MAX_VALUE, lastDataFragment, currLastDataFragment, false);
                        handler.newData(tableName, data);
                    }
                } else {
                    long lastDataFragment = prevTableState.getLastDataFragment();
                    if (lastDataFragment == 0) {
                        lastDataFragment = table.getFirstDataFragment();
                        if (lastDataFragment > 0) {
                            TimeSeries data = read(from, Long.MAX_VALUE, lastDataFragment, currLastDataFragment, false);
                            handler.newData(tableName, data);
                        }
                    } else if (currLastDataFragment > lastDataFragment) {
                        TimeSeries data = read(from, Long.MAX_VALUE, lastDataFragment, currLastDataFragment, true);
                        handler.newData(tableName, data);
                    }
                }
            }
            lastState = currState;
        }
        lastSize = currSize;
        try {
            Thread.sleep(pollMillis);
        } catch (InterruptedException ex) {
            Thread.currentThread().interrupt();
            break;
        }
    }
}

Example 34 with TimeSeries

use of org.spf4j.tsdb2.TimeSeries in project spf4j by zolyfarkas.

the class TimeSeriesDatabase method createHeatJFreeChart.

public JFreeChart createHeatJFreeChart(final String tableName, final long startTime, final long endTime) throws IOException {
    TSTable info = this.getTSTable(tableName);
    TimeSeries data = this.read(tableName, startTime, endTime);
    return createHeatJFreeChart(data, info);
}

Example 35 with TimeSeries

use of org.spf4j.tsdb2.TimeSeries in project spf4j by zolyfarkas.

the class TimeSeriesDatabase method createCountJFreeChart.

public JFreeChart createCountJFreeChart(final String tableName, final long startTime, final long endTime) throws IOException {
    TSTable info = this.getTSTable(tableName);
    TimeSeries data = this.read(tableName, startTime, endTime);
    return createCountJFreeChart(data, info);
}