Struct RuleManager 

pub struct RuleManager { /* private fields */ }

An ordered set of rules, evaluated by decreasing priority.

Implementations

impl RuleManager

pub fn new() -> Self

An empty set of rules.

pub fn activate_all(&mut self)

Activates every rule.

pub fn add_rule(&mut self, rule: Box<dyn Rule>)

Adds a rule, keeping the set sorted by priority.

pub fn relax_all(&mut self)

Relaxes every rule before a new pass.

pub fn reset_all(&mut self)

Resets every rule.

pub fn len(&self) -> usize

pub fn is_empty(&self) -> bool

pub fn clear_rules(&mut self)

Removes every rule.

pub fn is_active(&self) -> bool

Whether some relaxable rule is still active, i.e. whether the search may still be restricted.

pub fn evaluate(&self, context: &RuleContext) -> RuleResult

Evaluates the rules in order and returns the first one that stops the search, or a result that lets it continue.

pub fn get_rule_states(&self) -> Vec<(String, String)>

(description, state) of every rule.

pub fn get_rule_mut<T: 'static>(&mut self) -> Option<&mut T>

The first rule of type T, if any.

Trait Implementations

impl Default for RuleManager

fn default() -> Self

Returns the “default value” for a type.