Package org.apache.flink.runtime.asyncprocessing

Interface StateExecutor

@Internal public interface StateExecutor
Executor for executing batch StateRequests.

Notice that the owner who create the StateExecutor is responsible for shutting down it when it is no longer in use.

  • Method Details

    • executeBatchRequests

      CompletableFuture<Void> executeBatchRequests(StateRequestContainer stateRequestContainer)
      Execute a batch of state requests.
      Parameters:
      stateRequestContainer - The StateRequestContainer which holds the given batch of processing requests.
      Returns:
      A future can determine whether execution has completed.

    • createStateRequestContainer

      StateRequestContainer createStateRequestContainer()
      Create a StateRequestContainer which is used to hold the batched StateRequest.

    • executeRequestSync

      void executeRequestSync(StateRequest<?,?,?,?> stateRequest)
      Execute a single state request *synchronously*. This is for synchronous APIs.
      Parameters:
      stateRequest - the request to run.

    • fullyLoaded

      boolean fullyLoaded()
      Check if this executor is fully loaded. Will be invoked to determine whether to give more requests to run or wait for a while.
      Returns:
      the count.

    • shutdown

      void shutdown()
      Shutdown the StateExecutor, and new committed state execution requests will be rejected.