RendezvousHash

Object Hierarchy:

Description:

    var hash = new RendezvousHash ();
    hash.addNode ("node-a");
    hash.addNode ("node-b");

    string? node = hash.getNode ("user:42");

Content:

Creation methods:

• public RendezvousHash ()
  Creates empty rendezvous hash instance.

Methods:

• public Result<bool,Error> addNode (string nodeId)
  Adds node to the hash set.
• public void clear ()
  Removes all nodes and weights.
• public Result<bool,Error> containsNode (string nodeId)
  Returns whether node exists.
• public HashMap<string,int> distribution (ArrayList<string> sampleKeys)
  Returns distribution of sample keys per node.
• public Result<string?,Error> getNode (string key)
  Returns assigned node for a key.
• public Result<ArrayList<string>,Error> getTopNodes (string key, int n)
  Returns top-N nodes for key by score.
• public int nodeCount ()
  Returns current node count.
• public double rebalanceEstimate (ArrayList<string> sampleKeys)
  Estimates key remap ratio when one node is added.
• public Result<bool,Error> removeNode (string nodeId)
  Removes node from the hash set.
• public Result<bool,Error> setWeight (string nodeId, double weight)
  Sets weight for existing node.

Inherited Members: