Struct vrp_core::prelude::EvolutionConfigBuilder

pub struct EvolutionConfigBuilder<C, O, S, K>
where
    C: HeuristicContext<Objective = O, Solution = S> + Stateful<Key = K> + 'static,
    O: HeuristicObjective<Solution = S> + 'static,
    S: HeuristicSolution + 'static,
    K: Hash + Eq + Clone + Send + Sync + 'static,
{ /* private fields */ }

Provides configurable way to build evolution configuration using fluent interface style.

Implementations

impl<C, O, S, K> EvolutionConfigBuilder<C, O, S, K>

where C: HeuristicContext<Objective = O, Solution = S> + Stateful<Key = K> + 'static, O: HeuristicObjective<Solution = S> + 'static, S: HeuristicSolution + 'static, K: Hash + Eq + Clone + Send + Sync + 'static,

pub fn with_max_generations( self, limit: Option<usize> ) -> EvolutionConfigBuilder<C, O, S, K>

Sets max generations to be run by evolution. Default is 3000.

pub fn with_max_time( self, limit: Option<usize> ) -> EvolutionConfigBuilder<C, O, S, K>

Sets max running time limit for evolution. Default is 300 seconds.

pub fn with_min_cv( self, min_cv: Option<(String, usize, f64, bool)>, key: K ) -> EvolutionConfigBuilder<C, O, S, K>

Sets variation coefficient termination criteria. Default is None.

pub fn with_target_proximity( self, target_proximity: Option<(Vec<f64>, f64)> ) -> EvolutionConfigBuilder<C, O, S, K>

Sets target fitness and distance threshold as termination criteria.

pub fn with_initial( self, max_size: usize, quota: f64, operators: Vec<(Box<dyn InitialOperator<Objective = O, Context = C, Solution = S> + Sync + Send>, usize)> ) -> EvolutionConfigBuilder<C, O, S, K>

Sets initial parameters used to construct initial population.

pub fn with_processing( self, processing: ProcessingConfig<C, O, S> ) -> EvolutionConfigBuilder<C, O, S, K>

Specifies processing configuration.

pub fn with_init_solutions( self, solutions: Vec<S>, max_init_size: Option<usize> ) -> EvolutionConfigBuilder<C, O, S, K>

Sets initial solutions in population. Default is no solutions in population.

pub fn with_objective( self, objective: Arc<dyn HeuristicObjective<Solution = S>> ) -> EvolutionConfigBuilder<C, O, S, K>

Sets objective.

pub fn with_context(self, context: C) -> EvolutionConfigBuilder<C, O, S, K>

Sets heuristic context.

pub fn with_termination( self, termination: Box<dyn Termination<Context = C, Objective = O>> ) -> EvolutionConfigBuilder<C, O, S, K>

Sets termination.

pub fn with_heuristic( self, heuristic: Box<dyn HyperHeuristic<Context = C, Objective = O, Solution = S>> ) -> EvolutionConfigBuilder<C, O, S, K>

Sets a different heuristic replacing initial.

pub fn with_strategy( self, strategy: Box<dyn EvolutionStrategy<Objective = O, Context = C, Solution = S>> ) -> EvolutionConfigBuilder<C, O, S, K>

Sets a different heuristic replacing initial.

pub fn with_search_operators( self, search_operators: Vec<(Arc<dyn HeuristicSearchOperator<Context = C, Solution = S, Objective = O> + Sync + Send>, String, f64)> ) -> EvolutionConfigBuilder<C, O, S, K>

Sets search operators for dynamic heuristic.

pub fn with_diversify_operators( self, diversify_operators: Vec<Arc<dyn HeuristicDiversifyOperator<Objective = O, Solution = S, Context = C> + Sync + Send>> ) -> EvolutionConfigBuilder<C, O, S, K>

Sets diversify operators for dynamic heuristic.

pub fn build(self) -> Result<EvolutionConfig<C, O, S>, GenericError>

Builds the evolution config.

Trait Implementations

impl<C, O, S, K> Default for EvolutionConfigBuilder<C, O, S, K>

where C: HeuristicContext<Objective = O, Solution = S> + Stateful<Key = K> + 'static, O: HeuristicObjective<Solution = S> + 'static, S: HeuristicSolution + 'static, K: Hash + Eq + Clone + Send + Sync + 'static,

fn default() -> EvolutionConfigBuilder<C, O, S, K>

Returns the “default value” for a type.