StatsTimer(Builder builder) : base(builder.Config, builder.Context)
{
unit_ = builder.TimeUnit;
// remove the count from the histogram, because we need to add a
// tag for the time unit and this tag will make no sense for count
// values.
var snapshot_config =
new SnapshotConfig.Builder(builder.SnapshotConfig)
.WithCount(false)
.Build();
MetricConfig unit_config = builder
.Config
.WithAdditionalTag("unit", unit_.Name());
MetricContext context = builder.Context;
histogram_ = new Histogram(unit_config, snapshot_config, builder.Resevoir,
context);
Tag tag = MetricType.Counter.AsTag();
count_ = new Counter(unit_config.WithAdditionalTag(tag), context);
metrics_ = new ReadOnlyCollection <IMetric>(
new IMetric[] {
count_, new CompositMetricTransformer(histogram_, ConvertToUnit)
});
}
public static void Constructor_InitializesEstimationPeriod(
[Frozen] TimeUnit estimationPeriod,
OrderItem orderItem)
{
var model = new GetOrderItemModel(orderItem);
model.EstimationPeriod.Should().Be(estimationPeriod.Name());
}
public static void Constructor_InitializesTimeUnit(
[Frozen] TimeUnit timeUnit,
OrderItem orderItem)
{
var model = new GetOrderItemModel(orderItem);
model.TimeUnit.Should().NotBeNull();
model.TimeUnit.Description.Should().Be(timeUnit.Description());
model.TimeUnit.Name.Should().Be(timeUnit.Name());
}
/// <summary>
/// Initializes a new instance of the <see cref="StepCounter"/> class
/// by using the given <see cref="MetricConfig"/>, initial value and
/// <see cref="MetricContext"/>.
/// </summary>
/// <param name="config">
/// A <see cref="MetricConfig"/> object containing the configuration
/// that should be used by the <see cref="StepCounter"/> object.
/// </param>
/// <param name="initial">
/// The initial value of the counter.
/// </param>
/// <param name="unit">
/// The unit to be used to report the computed rate.
/// </param>
/// <param name="context">
/// The <see cref="MetricContext"/> to be used by the counter.
/// </param>
public StepCounter(MetricConfig config, long initial, TimeUnit unit,
MetricContext context)
: base(
config
.WithAdditionalTag(MetricType.Normalized.AsTag())
.WithAdditionalTag("unit", unit.Name()), context)
{
prev_count_ = initial;
curr_count_ = initial;
prev_tick_ = curr_tick_ = context.Tick;
unit_ = unit;
}
public Timer(MetricConfig config, TimeUnit unit, MetricContext context)
: base(config, context)
{
unit_ = unit;
MetricConfig cfg = config.WithAdditionalTag("unit", unit.Name());
count_ = new Counter(cfg.WithAdditionalTag(kStatistic, kCount), context);
max_ = new StepMaxGauge(cfg.WithAdditionalTag(kStatistic, kMax));
min_ = new StepMinGauge(cfg.WithAdditionalTag(kStatistic, kMin));
total_time_ =
new Counter(cfg.WithAdditionalTag(kStatistic, kTotal), context);
metrics_ = new ReadOnlyCollection <IMetric>(
new IMetric[] {
count_,
new MeasureTransformer(max_, ConvertToUnit),
new MeasureTransformer(min_, ConvertToUnit),
new MeasureTransformer(total_time_, ConvertToUnit)
});
}
public static void EachTimeUnit_HasExpectedDisplayName(TimeUnit timeUnit, string expectedDisplayName)
{
var actualDisplayName = timeUnit.Name();
actualDisplayName.Should().Be(expectedDisplayName);
}
/// <summary>
/// Initializes a new instance of the <see cref="StepCounter"/> class
/// by using the given <see cref="MetricConfig"/>, initial value and
/// <see cref="MetricContext"/>.
/// </summary>
/// <param name="config">
/// A <see cref="MetricConfig"/> object containing the configuration
/// that should be used by the <see cref="StepCounter"/> object.
/// </param>
/// <param name="initial">
/// The initial value of the counter.
/// </param>
/// <param name="unit">
/// The unit to be used to report the computed rate.
/// </param>
/// <param name="context">
/// The <see cref="MetricContext"/> to be used by the counter.
/// </param>
public StepCounter(MetricConfig config, long initial, TimeUnit unit,
MetricContext context)
: base(
config
.WithAdditionalTag(MetricType.Normalized.AsTag())
.WithAdditionalTag("unit", unit.Name()), context) {
prev_count_ = initial;
curr_count_ = initial;
prev_tick_ = curr_tick_ = context.Tick;
unit_ = unit;
}
/// <summary>
/// Initializes a new instance of the <see cref="Timer"/> class by using
/// the given configuration.
/// </summary>
/// <param name="builder">
/// </param>
public BucketTimer(Builder builder) : base(builder.Config, builder.Context)
{
unit_ = builder.TimeUnit;
measure_unit_ = builder.MeasureUnit;
MetricContext context = builder.Context;
MetricConfig config =
builder
.Config
.WithAdditionalTag("unit", measure_unit_.Name());
count_ = new BucketCounter(config.WithAdditionalTag(kStatistic, kCount),
context);
max_ = new StepMaxGauge(config.WithAdditionalTag(kStatistic, kMax));
min_ = new StepMinGauge(config.WithAdditionalTag(kStatistic, kMin));
// We should not convert the value of the total time, since
// it is already a time the rate reported will be the
// percentage of time that was spent within the defined reporting
// interval.
MetricConfig time_config =
config
.WithAdditionalTag(kStatistic, kTotal)
.WithAdditionalTag("unit", "nounit");
total_time_ = new BucketCounter(time_config, TimeUnit.Ticks, context);
overflow_count_ =
new BucketCounter(
config
.WithAdditionalTag(kStatistic, kCount)
.WithAdditionalTag(kBucket, "bucket=overflow"),
context);
buckets_ = builder.Buckets;
// Compute the size of the maximum bucket name and create a padding
// format to allow lexicographically sort of buckets.
int num_digits = buckets_[buckets_.Length - 1].ToString().Length;
string padding = "".PadLeft(num_digits, '0');
string label = unit_.Abbreviation();
bucket_count_ = new BucketCounter[buckets_.Length];
for (int i = 0; i < buckets_.Length; i++)
{
bucket_count_[i] = new BucketCounter(
config
.WithAdditionalTag(kStatistic, kCount)
.WithAdditionalTag(kBucket,
"bucket={0}{1}".Fmt(buckets_[i].ToString(padding), label)),
context);
}
Func <double, double> convert =
measure => ConvertToUnit(measure, measure_unit_);
var metrics = new List <IMetric> {
total_time_,
new StepMeasureTransformer(min_, convert),
new StepMeasureTransformer(max_, convert),
overflow_count_,
count_
};
metrics.AddRange(bucket_count_);
metrics_ = new ReadOnlyCollection <IMetric>(metrics);
}
