[−][src]Trait transit_model_relations::Relation

pub trait Relation {
    type From;
    type To;
    fn get_from(&self) -> IdxSet<Self::From>;

    fn get_to(&self) -> IdxSet<Self::To>;

    fn get_corresponding_forward(
        &self, 
        from: &IdxSet<Self::From>
    ) -> IdxSet<Self::To>;

    fn get_corresponding_backward(
        &self, 
        from: &IdxSet<Self::To>
    ) -> IdxSet<Self::From>;
}

An object linking 2 types together.

Associated Types

type From

The type of the source object

type To

The type of the targer object

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Required methods

fn get_from(&self) -> IdxSet<Self::From>

Returns the complete set of the source objects.

fn get_to(&self) -> IdxSet<Self::To>

Returns the complete set of the target objects.

fn get_corresponding_forward(
    &self,
    from: &IdxSet<Self::From>
) -> IdxSet<Self::To>

For a given set of the source objects, returns the corresponding targets objects.

fn get_corresponding_backward(
    &self,
    from: &IdxSet<Self::To>
) -> IdxSet<Self::From>

For a given set of the target objects, returns the corresponding source objects.

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Implementors

impl<T, U> Relation for ManyToMany<T, U>[src]

type From = T

type To = U

impl<T, U> Relation for OneToMany<T, U>[src]

type From = T

type To = U

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