Metric class

Represents a metric value collected during operations.

Metrics can be counters, gauges, or histograms.

Constructors

Metric({required String name, required double value, required String unit, required DateTime timestamp, Map<String, String> attributes = const {}})

const

Properties

attributes → Map<String, String>

Additional attributes for filtering (e.g., connection_id, sql_hash).

final

hashCode → int

The hash code for this object.

no setter, inherited

name → String

Name of the metric (e.g., "odbc.query.count", "odbc.pool.size").

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

timestamp → DateTime

Timestamp when metric was recorded.

final

unit → String

Unit of measurement (e.g., "ms", "count", "bytes").

final

value → double

Value of the metric.

final

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited