public virtual void TestGetMetricsAndJmx()
{
// create test source with a single metric counter of value 0
TestMetricsSourceAdapter.TestSource source = new TestMetricsSourceAdapter.TestSource
("test");
MetricsSourceBuilder sb = MetricsAnnotations.NewSourceBuilder(source);
MetricsSource s = sb.Build();
IList <MetricsTag> injectedTags = new AList <MetricsTag>();
MetricsSourceAdapter sa = new MetricsSourceAdapter("test", "test", "test desc", s
, injectedTags, null, null, 1, false);
// all metrics are initially assumed to have changed
MetricsCollectorImpl builder = new MetricsCollectorImpl();
IEnumerable <MetricsRecordImpl> metricsRecords = sa.GetMetrics(builder, true);
// Validate getMetrics and JMX initial values
MetricsRecordImpl metricsRecord = metricsRecords.GetEnumerator().Next();
Assert.Equal(0L, metricsRecord.Metrics().GetEnumerator().Next(
).Value());
Thread.Sleep(100);
// skip JMX cache TTL
Assert.Equal(0L, (Number)sa.GetAttribute("C1"));
// change metric value
source.IncrementCnt();
// validate getMetrics and JMX
builder = new MetricsCollectorImpl();
metricsRecords = sa.GetMetrics(builder, true);
metricsRecord = metricsRecords.GetEnumerator().Next();
Assert.True(metricsRecord.Metrics().GetEnumerator().HasNext());
Thread.Sleep(100);
// skip JMX cache TTL
Assert.Equal(1L, (Number)sa.GetAttribute("C1"));
}
private void SnapshotMetrics(MetricsSourceAdapter sa, MetricsBufferBuilder bufferBuilder
)
{
long startTime = Time.Now();
bufferBuilder.Add(sa.Name(), sa.GetMetrics(collector, true));
collector.Clear();
snapshotStat.Add(Time.Now() - startTime);
Log.Debug("Snapshotted source " + sa.Name());
}