sand.gcs.util

DistanceStore

trait DistanceStore extends Serializable

Interface trait for a class that contains distances to embed

This interface is kept completely abstract so as to be Java-friendly.

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Abstract Value Members

  1. abstract def apply(source: Int, destination: Int): Double

    Gets the distance between two points

    Gets the distance between two points

    source

    ID of source node to get distance from

    destination

    ID of destination node to get distance to

    returns

    Distance between source and destination

  2. abstract def get(source: Int, destination: Int): Option[Double]

    Gets the distance between two points safely.

    Gets the distance between two points safely.

    source

    ID of source node to get distance from

    destination

    ID of destination node to get distance to

    returns

    Distance between source and destination wrapped in an Option

  3. abstract def ids: Set[Int]

    Returns a list of all IDs contained in the store

    Returns a list of all IDs contained in the store

    returns

    an immutable Set containing the IDs of the nodes in the store

  4. abstract def update(source: Int, destination: Int, distance: Double): Unit

    Adds a new distance to the store or updates if the pair exists already.

    Adds a new distance to the store or updates if the pair exists already.

    source

    ID of source node to get distances from

    destination

    ID of destination node to get distance of

    distance

    Distance between source and destination

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