Package io.grpc.xds

Interface XdsClient.ResourceWatcher<T extends XdsClient.ResourceUpdate>

  • Enclosing class:
    XdsClient
    @ExperimentalApi("https://github.com/grpc/grpc-java/issues/10862")
public static interface XdsClient.ResourceWatcher<T extends XdsClient.ResourceUpdate>
    Watcher interface for a single requested xDS resource.

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      void onChanged​(T update)  
      void onError​(io.grpc.Status error)
      Called when the resource discovery RPC encounters some transient error.
      void onResourceDoesNotExist​(java.lang.String resourceName)
      Called when the requested resource is not available.

    • Method Detail

      • onError

        void onError​(io.grpc.Status error)
        Called when the resource discovery RPC encounters some transient error.

        Note that we expect that the implementer to: - Comply with the guarantee to not generate certain statuses by the library: https://grpc.github.io/grpc/core/md_doc_statuscodes.html. If the code needs to be propagated to the channel, override it with Status.Code.UNAVAILABLE. - Keep Status description in one form or another, as it contains valuable debugging information.

      • onResourceDoesNotExist

        void onResourceDoesNotExist​(java.lang.String resourceName)
        Called when the requested resource is not available.
        Parameters:
        resourceName - name of the resource requested in discovery request.

      • onChanged

        void onChanged​(T update)