com.hazelcast.quorum

## Interface QuorumListener

- All Superinterfaces:
    EventListener

      public interface QuorumListener
      extends EventListener

  Listener to get notified when a quorum state is changed IMPORTANT: The term "quorum" simply refers to the count of members in the cluster required for an operation to succeed. It does NOT refer to an implementation of Paxos or Raft protocols as used in many NoSQL and distributed systems. The mechanism it provides in Hazelcast protects the user in case the number of nodes in a cluster drops below the specified one.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `onChange(QuorumEvent quorumEvent)` Called when quorum presence state is changed.

- - ### Method Detail

    - #### onChange

          void onChange(QuorumEvent quorumEvent)

      Called when quorum presence state is changed.
      Parameters:
        `quorumEvent` - provides information about quorum presence and current member list.

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