//! Trait for indicators that consume composite index snapshots.
use crate::core::types::CompositeIndex;
use crate::bar_indicators::indicator_value::IndicatorValue;
/// Indicators that process composite index data.
pub trait CompositeIndexConsumer {
/// Process a new composite index snapshot and return the updated value.
fn update_composite_index(&mut self, ci: &CompositeIndex) -> IndicatorValue;
/// Current value without updating.
fn value(&self) -> IndicatorValue;
/// Reset internal state.
fn reset(&mut self);
/// True if the indicator has enough data to produce reliable signals.
fn is_ready(&self) -> bool;
}