How to use

com.ning.billing.meter.timeline.consumer.CSVSampleProcessor

constructor

public AccumulatingJsonSamplesOutputer(final TimeAggregationMode timeAggregationMode, final TimelineEventHandler timelineEventHandler,
                    final TimelineDao timelineDao, final InternalTenantContext context) {
  super(timelineEventHandler, timelineDao, context);
  this.accumulatorSampleConsumer = new AccumulatorSampleConsumer(timeAggregationMode, new CSVSampleProcessor());
}

public static String getSamplesAsCSV(final SampleCoder sampleCoder, final TimelineChunk chunk, @Nullable final DateTime startTime, @Nullable final DateTime endTime) throws IOException {
  final CSVSampleProcessor processor = new CSVSampleProcessor(startTime, endTime);
  return getSamplesAsCSV(sampleCoder, chunk, processor);
}

  private DecimatingSampleFilter createDecimatingSampleFilter(final Integer outputCount, final DecimationMode decimationMode, final DateTime startTime, final DateTime endTime) {
    final DecimatingSampleFilter rangeSampleProcessor;
    if (outputCount == null) {
      rangeSampleProcessor = null;
    } else {
      // TODO Fix the polling interval
      rangeSampleProcessor = new DecimatingSampleFilter(startTime, endTime, outputCount, new TimeSpan("1s"), decimationMode, new CSVSampleProcessor());
    }

    return rangeSampleProcessor;
  }
}

  @Test(groups = "fast")
  public void testDailyAggregation() throws Exception {
    clock.setTime(new DateTime(2012, 12, 1, 12, 40, DateTimeZone.UTC));
    final DateTime start = clock.getUTCNow();

    final AccumulatorSampleConsumer sampleConsumer = new AccumulatorSampleConsumer(TimeAggregationMode.DAYS, new CSVSampleProcessor());

    // 5 for day 1
    sampleConsumer.processOneSample(start, SampleOpcode.DOUBLE, (double) 1);
    sampleConsumer.processOneSample(start.plusHours(4), SampleOpcode.DOUBLE, (double) 4);
    // 1 for day 2
    sampleConsumer.processOneSample(start.plusDays(1), SampleOpcode.DOUBLE, (double) 1);
    // 10 and 20 for day 3 (with different opcode)
    sampleConsumer.processOneSample(start.plusDays(2), SampleOpcode.DOUBLE, (double) 10);
    sampleConsumer.processOneSample(start.plusDays(2), SampleOpcode.INT, 20);

    Assert.assertEquals(sampleConsumer.flush(), "1354320000,5.0,1354406400,1.0,1354492800,10.0,1354492800,20.0");
  }
}