inference-engine/thirdparty/ade/ade/include/execution_engine/backend.hpp

   1 // Copyright (C) 2018 Intel Corporation
   2 //
   3 // SPDX-License-Identifier: Apache-2.0
   4 //
   5
   6 #ifndef BACKEND_HPP
   7 #define BACKEND_HPP
   8
   9 #include <memory>
  10
  11 namespace util
  12 {
  13     class any;
  14 }
  15
  16 namespace ade
  17 {
  18
  19 class Graph;
  20 class Executable;
  21 class ExecutionEngineSetupContext;
  22
  23 class BackendExecutable;
  24
  25 class ExecutionBackend
  26 {
  27 public:
  28     virtual ~ExecutionBackend() = default;
  29
  30     virtual void setupExecutionEngine(ExecutionEngineSetupContext& engine) = 0;
  31     virtual std::unique_ptr<BackendExecutable> createExecutable(const Graph& graph) = 0;
  32 };
  33
  34 class BackendExecutable
  35 {
  36 protected:
  37     // Backward-compatibility stubs
  38     virtual void run()      {};                    // called by run(any)
  39     virtual void runAsync() {};                    // called by runAsync(any)
  40
  41 public:
  42     virtual ~BackendExecutable() = default;
  43
  44     virtual void run(util::any &opaque);           // Triggered by ADE engine
  45     virtual void runAsync(util::any &opaque);      // Triggered by ADE engine
  46
  47     virtual void wait() = 0;
  48     virtual void cancel() = 0;
  49 };
  50 }
  51
  52 #endif // BACKEND_HPP