MetricDescriptor class

Defines a metric type and its schema. Once a metric descriptor is created, deleting or altering it stops data collection and makes the metric type's existing data unusable.


MetricDescriptor.fromJson(Map _json)


description ↔ String
A detailed description of the metric, which can be used in documentation.
read / write
displayName ↔ String
A concise name for the metric, which can be displayed in user interfaces. Use sentence case without an ending period, for example "Request count". This field is optional but it is recommended to be set for any metrics associated with user-visible concepts, such as Quota.
read / write
labels ↔ List<LabelDescriptor>
The set of labels that can be used to describe a specific instance of this metric type. For example, the metric type has a label for the HTTP response code, response_code, so you can look at latencies for successful responses or just for responses that failed.
read / write
launchStage ↔ String
Optional. The launch stage of the metric definition. Possible string values are: [...]
read / write
metadata MetricDescriptorMetadata
Optional. Metadata which can be used to guide usage of the metric.
read / write
metricKind ↔ String
Whether the metric records instantaneous values, changes to a value, etc. Some combinations of metric_kind and value_type might not be supported. Possible string values are: [...]
read / write
name ↔ String
The resource name of the metric descriptor.
read / write
type ↔ String
The metric type, including its DNS name prefix. The type is not URL-encoded. All user-defined metric types have the DNS name or Metric types should use a natural hierarchical grouping. For example: [...]
read / write
unit ↔ String
The unit in which the metric value is reported. It is only applicable if the value_type is INT64, DOUBLE, or DISTRIBUTION. The supported units are a subset of The Unified Code for Units of Measure standard: [...]
read / write
valueType ↔ String
Whether the measurement is an integer, a floating-point number, etc. Some combinations of metric_kind and value_type might not be supported. Possible string values are: [...]
read / write
hashCode → int
The hash code for this object.
read-only, inherited
runtimeType → Type
A representation of the runtime type of the object.
read-only, inherited


toJson() → Map<String, Object>
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
toString() → String
Returns a string representation of this object.


operator ==(dynamic other) → bool
The equality operator.