Interface FetchRequestFilter

All Superinterfaces:
Filter

public interface FetchRequestFilter extends Filter
A stateless filter for FetchRequests.
  • Method Summary

    Modifier and Type
    Method
    Description
    onFetchRequest(short apiVersion, org.apache.kafka.common.message.RequestHeaderData header, org.apache.kafka.common.message.FetchRequestData request, FilterContext context)
    Handle the given header and request pair, returning the header and request pair to be passed to the next filter using the RequestFilterResult.
    default boolean
    shouldHandleFetchRequest(short apiVersion)
    Determine if a request message of type FetchRequest should be handled by this filter implementation.
  • Method Details

    • shouldHandleFetchRequest

      default boolean shouldHandleFetchRequest(short apiVersion)
      Determine if a request message of type FetchRequest should be handled by this filter implementation. returns true then onFetchRequest is eligible to be invoked with deserialized data, if the message reaches this filter in the chain.
      Parameters:
      apiVersion - the apiVersion of the message
      Returns:
      true if it should be handled
    • onFetchRequest

      CompletionStage<RequestFilterResult> onFetchRequest(short apiVersion, org.apache.kafka.common.message.RequestHeaderData header, org.apache.kafka.common.message.FetchRequestData request, FilterContext context)
      Handle the given header and request pair, returning the header and request pair to be passed to the next filter using the RequestFilterResult.
      The implementation may modify the given header and request in-place, or instantiate a new instances.
      Parameters:
      apiVersion - the apiVersion of the request
      header - request header.
      request - The body to handle.
      context - The context.
      Returns:
      a non-null CompletionStage that, when complete, will yield a RequestFilterResult containing the request to be forwarded.
      See Also: