Struct IndicatorRegistry 

pub struct IndicatorRegistry { /* private fields */ }

A registry that owns a collection of Indicator trait objects and provides batch operations (calculate all, clear, etc.).

Use the registry when you want to manage multiple indicators as a group and recalculate them together whenever the underlying bar data changes.

Example

use egui_charts::studies::{IndicatorRegistry, SMA, EMA};

let mut registry = IndicatorRegistry::new();
registry.add(Box::new(SMA::new(20)));
registry.add(Box::new(EMA::new(50)));
registry.calculate_all(&bars);

for indicator in registry.indicators() {
    println!("{}: {} values", indicator.name(), indicator.values().len());
}

Implementations

impl IndicatorRegistry

pub fn new() -> Self

Create an empty registry with no indicators.

pub fn add_indicator(&mut self, indicator: Box<dyn Indicator>)

Append a boxed indicator to the registry.

pub fn add(&mut self, indicator: Box<dyn Indicator>)

Alias for add_indicator for brevity.

pub fn remove_indicator(&mut self, index: usize) -> Option<Box<dyn Indicator>>

Remove and return the indicator at index, or None if out of bounds.

pub fn indicators(&self) -> &[Box<dyn Indicator>]

Return a shared slice of all registered indicators.

pub fn indicators_mut(&mut self) -> &mut [Box<dyn Indicator>]

Return a mutable slice of all registered indicators.

pub fn calculate_all(&mut self, data: &[Bar])

Recalculate every indicator against the provided bar data.

This iterates through all registered indicators and calls Indicator::calculate on each one.

pub fn update_all(&mut self, data: &[Bar], from: usize)

Bring every indicator up to date after data[from..] changed or grew, given that data[..from] is unchanged since the previous call.

Calls Indicator::update on each one; studies that are not incremental recompute in full.

pub fn clear(&mut self)

Remove all indicators from the registry.

Trait Implementations

impl Default for IndicatorRegistry

fn default() -> Self

Returns the “default value” for a type.