Trait vrp_core::construction::heuristics::JobSelector

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pub trait JobSelector {
    // Provided methods
    fn prepare(&self, insertion_ctx: &mut InsertionContext) { ... }
    fn select<'a>(
        &'a self,
        insertion_ctx: &'a InsertionContext,
    ) -> Box<dyn Iterator<Item = &'a Job> + 'a> { ... }
}
Expand description

On each insertion step, selects a list of jobs to be inserted. It is up to implementation to decide whether list consists of all jobs or just some subset.

Provided Methods§

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fn prepare(&self, insertion_ctx: &mut InsertionContext)

This method is called before select. It allows to apply some changes on mutable context before immutable borrowing could happen within select method. Default implementation simply shuffles jobs in required collection.

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fn select<'a>( &'a self, insertion_ctx: &'a InsertionContext, ) -> Box<dyn Iterator<Item = &'a Job> + 'a>

Returns a portion of all jobs.

Implementors§