Struct aws_sdk_emr::types::CloudWatchAlarmDefinition

#[non_exhaustive]
pub struct CloudWatchAlarmDefinition { /* private fields */ }

The definition of a CloudWatch metric alarm, which determines when an automatic scaling activity is triggered. When the defined alarm conditions are satisfied, scaling activity begins.

Implementations

impl CloudWatchAlarmDefinition

pub fn comparison_operator(&self) -> Option<&ComparisonOperator>

Determines how the metric specified by MetricName is compared to the value specified by Threshold.

pub fn evaluation_periods(&self) -> Option<i32>

The number of periods, in five-minute increments, during which the alarm condition must exist before the alarm triggers automatic scaling activity. The default value is 1.

pub fn metric_name(&self) -> Option<&str>

The name of the CloudWatch metric that is watched to determine an alarm condition.

pub fn namespace(&self) -> Option<&str>

The namespace for the CloudWatch metric. The default is AWS/ElasticMapReduce.

pub fn period(&self) -> Option<i32>

The period, in seconds, over which the statistic is applied. EMR CloudWatch metrics are emitted every five minutes (300 seconds), so if an EMR CloudWatch metric is specified, specify 300.

pub fn statistic(&self) -> Option<&Statistic>

The statistic to apply to the metric associated with the alarm. The default is AVERAGE.

pub fn threshold(&self) -> Option<f64>

The value against which the specified statistic is compared.

pub fn unit(&self) -> Option<&Unit>

The unit of measure associated with the CloudWatch metric being watched. The value specified for Unit must correspond to the units specified in the CloudWatch metric.

pub fn dimensions(&self) -> Option<&[MetricDimension]>

A CloudWatch metric dimension.

impl CloudWatchAlarmDefinition

pub fn builder() -> CloudWatchAlarmDefinitionBuilder

Creates a new builder-style object to manufacture CloudWatchAlarmDefinition.

Trait Implementations

impl Clone for CloudWatchAlarmDefinition

fn clone(&self) -> CloudWatchAlarmDefinition

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for CloudWatchAlarmDefinition

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq<CloudWatchAlarmDefinition> for CloudWatchAlarmDefinition

fn eq(&self, other: &CloudWatchAlarmDefinition) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for CloudWatchAlarmDefinition