RpcCallback (Apache Tomcat 9.0.37 API Documentation)

org.apache.catalina.tribes.group

## Interface RpcCallback

- All Known Subinterfaces:
    ExtendedRpcCallback
  All Known Implementing Classes:
    AbstractReplicatedMap, LazyReplicatedMap, ReplicatedMap, StaticMembershipProvider

      public interface RpcCallback

  The RpcCallback interface is an interface for the Tribes channel to request a response object to a request that came in.
  Version:
    1.0

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `leftOver(Serializable msg, Member sender)` If the reply has already been sent to the requesting thread, the rpc callback can handle any data that comes in after the fact.
    `Serializable` | `replyRequest(Serializable msg, Member sender)` Allows sending a response to a received message.

- - ### Method Detail

    - #### replyRequest

          Serializable replyRequest(Serializable msg,
                                    Member sender)

      Allows sending a response to a received message.
      Parameters:
        `msg` - The message
        `sender` - Member
      Returns:
        Serializable object, `null` if no reply should be sent

    - #### leftOver

          void leftOver(Serializable msg,
                        Member sender)

      If the reply has already been sent to the requesting thread, the rpc callback can handle any data that comes in after the fact.
      Parameters:
        `msg` - The message
        `sender` - Member

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