RpcCallback (Apache Tomcat 11.0.22 API Documentation)
Description: declaration: package: org.apache.catalina.tribes.group, interface: RpcCallback

# 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.

- ## Method Summary

  Modifier and Type
  Method
  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 Details

  - ### 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