APIHistogram<T extends num> class
APIHistogram is a synchronous Instrument which records a distribution of values.
See the OpenTelemetry specification for more details: https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/metrics/api.md#histogram
Constructors
-
APIHistogram(String _name, String? _description, String? _unit, bool _enabled, APIMeter _meter, {List<
double> ? boundaries}) - Creates a new APIHistogram instrument.
Properties
-
boundaries
→ List<
double> ? -
Returns the explicit bucket boundaries, if specified during creation.
no setter
- description → String?
-
Returns the description of this Histogram.
no setter
- enabled → bool
-
Returns whether this histogram is enabled.
no setter
- hashCode → int
-
The hash code for this object.
no setterinherited
- isCounter → bool
-
Type identification getters
Returns false since this is not a Counter instrument.
no setter
- isGauge → bool
-
Returns false since this is not a Gauge instrument.
no setter
- isHistogram → bool
-
Returns true since this is a Histogram instrument.
no setter
- isUpDownCounter → bool
-
Returns false since this is not an UpDownCounter instrument.
no setter
- meter → APIMeter
-
Returns the meter that created this histogram.
no setter
- name → String
-
Returns the name of this Histogram.
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- unit → String?
-
Returns the unit of this Histogram.
no setter
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
record(
T value, [Attributes? attributes]) → void - Records a value in the histogram.
-
recordWithMap(
T value, Map< String, Object> attributeMap) → void - Records a value with the given map of attributes.
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited