Examples with OnlineStatisticsProvider org.apache.metron.statistics.OnlineStatisticsProvider used on opensource projects

Example 1 with OnlineStatisticsProvider

use of org.apache.metron.statistics.OnlineStatisticsProvider in project metron by apache.

the class KafkaEmitterTest method testInvalidType.

/**
 * Values destined for Kafka can only be serialized into text, which limits the types of values
 * that can result from a triage expression.  Only primitive types and Strings are allowed.
 */
@Test
public void testInvalidType() throws Exception {
    // create one invalid expression and one valid expression
    Map<String, Object> triageValues = ImmutableMap.of("invalid", new OnlineStatisticsProvider(), "valid", 4);
    ProfileMeasurement measurement = new ProfileMeasurement().withProfileName("profile").withEntity("entity").withPeriod(20000, 15, TimeUnit.MINUTES).withTriageValues(triageValues).withDefinition(profile);
    handler.emit(measurement, collector);
    ArgumentCaptor<Values> arg = ArgumentCaptor.forClass(Values.class);
    verify(collector, times(1)).emit(eq(handler.getStreamId()), arg.capture());
    Values values = arg.getValue();
    assertTrue(values.get(0) instanceof JSONObject);
    // only the triage expression value itself should have been skipped, all others should be there
    JSONObject actual = (JSONObject) values.get(0);
    assertEquals(measurement.getDefinition().getProfile(), actual.get("profile"));
    assertEquals(measurement.getEntity(), actual.get("entity"));
    assertEquals(measurement.getPeriod().getPeriod(), actual.get("period"));
    assertEquals(measurement.getPeriod().getStartTimeMillis(), actual.get("period.start"));
    assertEquals(measurement.getPeriod().getEndTimeMillis(), actual.get("period.end"));
    assertNotNull(actual.get("timestamp"));
    assertEquals("profiler", actual.get("source.type"));
    // the invalid expression should be skipped due to invalid type
    assertFalse(actual.containsKey("invalid"));
    // but the valid expression should still be there
    assertEquals(triageValues.get("valid"), actual.get("valid"));
}