Struct AlertTrigger 

pub struct AlertTrigger {
    pub name: String,
    pub metric: String,
    pub threshold: f64,
    pub operator: ThresholdOperator,
    pub severity: AlertSeverity,
    pub hold_duration: Duration,
    pub cooldown: Duration,
    last_triggered: Option<Instant>,
    condition_start: Option<Instant>,
}

A threshold-based alert trigger that fires when a metric crosses a threshold.

Fields

name: String

Trigger name.

metric: String

Metric name to watch.

threshold: f64

Threshold value.

operator: ThresholdOperator

Comparison operator.

severity: AlertSeverity

Severity when triggered.

hold_duration: Duration

Minimum duration the condition must hold before triggering.

cooldown: Duration

Cooldown after firing (suppress repeated alerts).

last_triggered: Option<Instant>

condition_start: Option<Instant>

Implementations

impl AlertTrigger

pub fn new( name: impl Into<String>, metric: impl Into<String>, operator: ThresholdOperator, threshold: f64, severity: AlertSeverity, ) -> AlertTrigger

Create a new alert trigger.

pub fn with_hold_duration(self, duration: Duration) -> AlertTrigger

Set the hold duration (condition must persist this long before triggering).

pub fn with_cooldown(self, duration: Duration) -> AlertTrigger

Set the cooldown period after triggering.

pub fn evaluate(&mut self, value: f64) -> Option<Alert>

Evaluate the trigger against a metric value.

Returns Some(Alert) if the trigger should fire, None otherwise.