Package com.google.apphosting.runtime

Class NullRpcPlugin

java.lang.Object
com.google.apphosting.runtime.anyrpc.AnyRpcPlugin
com.google.apphosting.runtime.NullRpcPlugin
public class NullRpcPlugin extends AnyRpcPlugin
An RPC plugin that does nothing. This is used for the case where the client for EvaluationRuntimeServerInterface and CloneControllerServerInterface is actually in the same process, so there is no RPC.

  • Constructor Details

    • NullRpcPlugin

      public NullRpcPlugin()

  • Method Details

    • initialize

      public void initialize(int serverPort)
      Description copied from class: AnyRpcPlugin
      Initializes the plugin, possibly creating any sockets/files/channels/connections needed.
      Specified by:
      initialize in class AnyRpcPlugin
      Parameters:
      serverPort - the port to listen for RPCs on.

    • startServer

      public void startServer(EvaluationRuntimeServerInterface evaluationRuntime, CloneControllerServerInterface cloneController)
      Description copied from class: AnyRpcPlugin
      Starts the server using the two specified implementations of the RPC-agnostic EvaluationRuntime and CloneController interfaces.
      Specified by:
      startServer in class AnyRpcPlugin
      Parameters:
      evaluationRuntime - the evaluation runtime service implementation
      cloneController - the clone controller service implementation

    • serverStarted

      public boolean serverStarted()
      Description copied from class: AnyRpcPlugin
      Returns true if the server has been started and has not stopped.
      Specified by:
      serverStarted in class AnyRpcPlugin

    • blockUntilShutdown

      public void blockUntilShutdown()
      Description copied from class: AnyRpcPlugin
      Runs the main loop for the server and waits for the server to shutdown.

      This method MUST be called from the same thread that called AnyRpcPlugin.startServer(EvaluationRuntimeServerInterface, CloneControllerServerInterface).

      Specified by:
      blockUntilShutdown in class AnyRpcPlugin

    • stopServer

      public void stopServer()
      Description copied from class: AnyRpcPlugin
      Stops the server.
      Specified by:
      stopServer in class AnyRpcPlugin

    • shutdown

      public void shutdown()
      Description copied from class: AnyRpcPlugin
      Performs any actions that are necessary to shut down any clients or servers started from this plugin.
      Specified by:
      shutdown in class AnyRpcPlugin

    • traceContextPropagating

      public Runnable traceContextPropagating(Runnable runnable)
      Description copied from class: AnyRpcPlugin
      Wraps the provided Runnable so as to assure propagation of the tracing context.
      Specified by:
      traceContextPropagating in class AnyRpcPlugin
      Parameters:
      runnable - the Runnable to wrap
      Returns:
      a Runnable that sets up propagation of the tracing context and then invokes the original one