Module io.helidon.grpc.core
Package io.helidon.grpc.core

Interface MethodHandler<ReqT,RespT>

Type Parameters:
ReqT - the request type
RespT - the response type
All Superinterfaces:
io.grpc.stub.ServerCalls.BidiStreamingMethod<ReqT,RespT>, io.grpc.stub.ServerCalls.ClientStreamingMethod<ReqT,RespT>, io.grpc.stub.ServerCalls.ServerStreamingMethod<ReqT,RespT>, io.grpc.stub.ServerCalls.UnaryMethod<ReqT,RespT>
All Known Implementing Classes:
io.helidon.microprofile.grpc.core.AbstractMethodHandlerSupplier.AbstractHandler, BidirectionalMethodHandlerSupplier.AbstractServerStreamingHandler, BidirectionalMethodHandlerSupplier.BidiStreaming, ClientStreamingMethodHandlerSupplier.AbstractClientStreamingHandler, ClientStreamingMethodHandlerSupplier.ClientStreaming, ClientStreamingMethodHandlerSupplier.ClientStreamingIterable, ClientStreamingMethodHandlerSupplier.ClientStreamingStream, ClientStreamingMethodHandlerSupplier.FutureResponse, ServerStreamingMethodHandlerSupplier.AbstractServerStreamingHandler, ServerStreamingMethodHandlerSupplier.ServerStreaming, ServerStreamingMethodHandlerSupplier.ServerStreamingNoRequest, ServerStreamingMethodHandlerSupplier.StreamResponse, ServerStreamingMethodHandlerSupplier.StreamResponseNoRequest, UnaryMethodHandlerSupplier.AbstractUnaryHandler, UnaryMethodHandlerSupplier.FutureResponse, UnaryMethodHandlerSupplier.FutureResponseNoRequest, UnaryMethodHandlerSupplier.NoRequestNoResponse, UnaryMethodHandlerSupplier.RequestNoResponse, UnaryMethodHandlerSupplier.RequestResponse, UnaryMethodHandlerSupplier.ResponseOnly, UnaryMethodHandlerSupplier.Unary, UnaryMethodHandlerSupplier.UnaryFuture, UnaryMethodHandlerSupplier.UnaryFutureNoRequest, UnaryMethodHandlerSupplier.UnaryNoRequest
public interface MethodHandler<ReqT,RespT> extends io.grpc.stub.ServerCalls.UnaryMethod<ReqT,RespT>, io.grpc.stub.ServerCalls.ClientStreamingMethod<ReqT,RespT>, io.grpc.stub.ServerCalls.ServerStreamingMethod<ReqT,RespT>, io.grpc.stub.ServerCalls.BidiStreamingMethod<ReqT,RespT>
A gRPC method call handler.

  • Method Details

    • type

      io.grpc.MethodDescriptor.MethodType type()
      Obtain the gRPC method tyoe that this MethodHandler handles.
      Returns:
      the gRPC method type that this MethodHandler handles

    • getRequestType

      Class<?> getRequestType()
      Obtain the request type.
      Returns:
      the request type

    • getResponseType

      Class<?> getResponseType()
      Obtain the response type.
      Returns:
      the response type

    • javaMethodName

      String javaMethodName()
      Obtain the name of the underlying Java method that this handler maps to.
      Returns:
      the name of the underlying Java method that this handler maps to

    • clientOnly

      default boolean clientOnly()
      Determine whether this is a client side only handler.
      Returns:
      true if this handler can only be used on the client

    • invoke

      default void invoke(ReqT request, io.grpc.stub.StreamObserver<RespT> observer)
      Specified by:
      invoke in interface io.grpc.stub.ServerCalls.ServerStreamingMethod<ReqT,RespT>
      Specified by:
      invoke in interface io.grpc.stub.ServerCalls.UnaryMethod<ReqT,RespT>

    • invoke

      default io.grpc.stub.StreamObserver<ReqT> invoke(io.grpc.stub.StreamObserver<RespT> observer)
      Specified by:
      invoke in interface io.grpc.stub.ServerCalls.BidiStreamingMethod<ReqT,RespT>
      Specified by:
      invoke in interface io.grpc.stub.ServerCalls.ClientStreamingMethod<ReqT,RespT>

    • bidirectional

      default Object bidirectional(Object[] args, MethodHandler.BidirectionalClient client)
      Handle a bi-directional client call.
      Parameters:
      args - the call arguments.
      client - the MethodHandler.BidirectionalClient instance to forward the call to.
      Returns:
      the call result

    • clientStreaming

      default Object clientStreaming(Object[] args, MethodHandler.ClientStreaming client)
      Handle a bi-directional client call.
      Parameters:
      args - the call arguments.
      client - the MethodHandler.ClientStreaming instance to forward the call to.
      Returns:
      the call result

    • serverStreaming

      default Object serverStreaming(Object[] args, MethodHandler.ServerStreamingClient client)
      Handle a bi-directional client call.
      Parameters:
      args - the call arguments.
      client - the MethodHandler.ServerStreamingClient instance to forward the call to.
      Returns:
      the call result

    • unary

      default Object unary(Object[] args, MethodHandler.UnaryClient client)
      Handle a bi-directional client call.
      Parameters:
      args - the call arguments.
      client - the MethodHandler.UnaryClient instance to forward the call to.
      Returns:
      the call result