moving_average_trigger Class Reference

Inheritance diagram for moving_average_trigger:

Collaboration diagram for moving_average_trigger:

Public Member Functions
	moving_average_trigger (size_t window_size, double threshold)
bool	evaluate (double value) const override
	Evaluate the trigger condition.
std::string	type_name () const override
	Get trigger type name.
std::string	description () const override
	Get human-readable description.
double	current_average () const
void	reset ()
Public Member Functions inherited from kcenon::monitoring::alert_trigger
virtual	~alert_trigger ()=default

Private Attributes
size_t	window_size_
double	threshold_
std::vector< double >	values_

Detailed Description

Examples

alert_triggers_example.cpp.

Definition at line 79 of file alert_triggers_example.cpp.

Constructor & Destructor Documentation

moving_average_trigger()

moving_average_trigger::moving_average_trigger ( size_t window_size, double threshold )

inline

Examples

alert_triggers_example.cpp.

Definition at line 81 of file alert_triggers_example.cpp.

        : window_size_(window_size)
        , threshold_(threshold) {}

Member Function Documentation

current_average()

double moving_average_trigger::current_average ( ) const

inline

Examples

alert_triggers_example.cpp.

Definition at line 112 of file alert_triggers_example.cpp.

                                   {
        if (values_.empty()) return 0.0;
        double sum = 0.0;
        for (double v : values_) {
            sum += v;
        }
        return sum / static_cast<double>(values_.size());
    }

References values_.

description()

std::string moving_average_trigger::description ( ) const

inlineoverridevirtual

Get human-readable description.

Returns

Description string

Implements kcenon::monitoring::alert_trigger.

Examples

alert_triggers_example.cpp.

Definition at line 108 of file alert_triggers_example.cpp.

                                           {
        return "MA(" + std::to_string(window_size_) + ") > " + std::to_string(threshold_);
    }

References threshold_, and window_size_.

evaluate()

bool moving_average_trigger::evaluate ( double value ) const

inlineoverridevirtual

Evaluate the trigger condition.

Parameters

value

Current metric value

Returns

True if trigger condition is met

Implements kcenon::monitoring::alert_trigger.

Examples

alert_triggers_example.cpp.

Definition at line 85 of file alert_triggers_example.cpp.

                                               {
        values_.push_back(value);
        if (values_.size() > window_size_) {
            values_.erase(values_.begin());
        }
 
        if (values_.size() < window_size_) {
            return false;  // Not enough data yet
        }
 
        double sum = 0.0;
        for (double v : values_) {
            sum += v;
        }
        double avg = sum / static_cast<double>(values_.size());
 
        return avg > threshold_;
    }

References threshold_, values_, and window_size_.

reset()

void moving_average_trigger::reset ( )

inline

Examples

alert_triggers_example.cpp.

Definition at line 121 of file alert_triggers_example.cpp.

                 {
        values_.clear();
    }

References values_.

type_name()

std::string moving_average_trigger::type_name ( ) const

inlineoverridevirtual

Get trigger type name.

Returns

Type name string

Implements kcenon::monitoring::alert_trigger.

Examples

alert_triggers_example.cpp.

Definition at line 104 of file alert_triggers_example.cpp.

                                         {
        return "moving_average";
    }

Member Data Documentation

threshold_

double moving_average_trigger::threshold_

private

Examples

alert_triggers_example.cpp.

Definition at line 127 of file alert_triggers_example.cpp.

Referenced by description(), and evaluate().

values_

std::vector<double> moving_average_trigger::values_

mutableprivate

Examples

alert_triggers_example.cpp.

Definition at line 128 of file alert_triggers_example.cpp.

Referenced by current_average(), evaluate(), and reset().

window_size_

size_t moving_average_trigger::window_size_

private

Examples

alert_triggers_example.cpp.

Definition at line 126 of file alert_triggers_example.cpp.

Referenced by description(), and evaluate().

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The documentation for this class was generated from the following file:

• examples/alert_triggers_example.cpp