Examples with WindowedStatistics com.twitter.common.stats.WindowedStatistics used on opensource projects

Example 6 with WindowedStatistics

use of com.twitter.common.stats.WindowedStatistics in project commons by twitter.

the class WindowedStatsTest method testCleaningOfExpiredWindows.

@Test
public void testCleaningOfExpiredWindows() {
    FakeClock clock = new FakeClock();
    WindowedStatistics ws = new WindowedStatistics(window, slices, clock);
    long n = 1000L;
    for (int i = 0; i < n; i++) {
        ws.accumulate(i);
    }
    assertEmpty(ws);
    clock.advance(Amount.of(1 + sliceDuration, Time.NANOSECONDS));
    ws.refresh();
    // this window is not empty
    assertEquals(n, ws.populationSize());
    clock.advance(Amount.of(100 * sliceDuration, Time.NANOSECONDS));
    ws.refresh();
    // this window has been cleaned
    assertEmpty(ws);
}

Example 7 with WindowedStatistics

use of com.twitter.common.stats.WindowedStatistics in project commons by twitter.

the class WindowedStatsTest method testEmptyStats.

@Test
public void testEmptyStats() {
    FakeClock clock = new FakeClock();
    WindowedStatistics ws = new WindowedStatistics(window, slices, clock);
    assertEmpty(ws);
}