Package org.wildfly.clustering.group

Interface Membership

public interface Membership
Encapsulates an immutable membership of a group.
Author:
Paul Ferraro

  • Method Summary

    Modifier and Type
    Method
    Description
    Node
    getCoordinator()
    Returns the coordinator node of this group membership.
    List<Node>
    getMembers()
    Returns the nodes that comprise this group membership.
    boolean
    isCoordinator()
    Indicates whether or not the local node is the coordinator of this group membership.

  • Method Details

    • isCoordinator

      boolean isCoordinator()
      Indicates whether or not the local node is the coordinator of this group membership. Semantically equivalent to: group.getLocalNode().equals(#getCoordinator())
      Returns:
      true, if we are the group membership coordinator, false otherwise

    • getCoordinator

      Node getCoordinator()
      Returns the coordinator node of this group membership. All nodes of this membership will always agree on which node is the coordinator.
      Returns:
      the group coordinator node

    • getMembers

      List<Node> getMembers()
      Returns the nodes that comprise this group membership. The membership order will be consistent on each node in the group.
      Returns:
      a list of nodes ordered by descending age.