com.hazelcast.spi

## Interface PostJoinAwareService

-     public interface PostJoinAwareService

  Marker interface for services that want to return operations to be executed on the cluster members after a join has been finalized.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `Operation` | `getPostJoinOperation()` Post join operations must be lock free, meaning no locks at all: no partition locks, no key-based locks, no service level locks, no database interaction! The `Operation.getPartitionId()` method should return a negative value.

- - ### Method Detail

    - #### getPostJoinOperation

          Operation getPostJoinOperation()

      Post join operations must be lock free, meaning no locks at all: no partition locks, no key-based locks, no service level locks, no database interaction! The `Operation.getPartitionId()` method should return a negative value. This means that the operations should not implement `PartitionAwareOperation`.

      Post join operations should return response, at least a `null` response.

      Returns:
        a response from the post join operation. Can be `null`.

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