Fix construtor Execute with pointers

mindspore/ccsrc/minddata/dataset/api/execute.cc

@@ -100,10 +100,10 @@ Execute::Execute(const std::reference_wrapper<TensorTransform> &op, MapTargetDev
 // Execute function for the example case: auto decode(new vision::Decode());
 Execute::Execute(TensorTransform *op, MapTargetDevice device_type, uint32_t device_id) {
   // Initialize the transforms_ and other context
-  std::shared_ptr<TensorTransform> smart_ptr_op(op);
-  transforms_.emplace_back(smart_ptr_op);
+  ops_.emplace_back(op->Parse());
 
   info_ = std::make_shared<ExtraInfo>();
+  info_->init_with_shared_ptr_ = false;
   device_type_ = device_type;
   (void)InitResource(device_type, device_id);
 }
@@ -147,12 +147,12 @@ Execute::Execute(const std::vector<std::reference_wrapper<TensorTransform>> &ops
 // Execute function for the example vector case: auto decode(new vision::Decode());
 Execute::Execute(const std::vector<TensorTransform *> &ops, MapTargetDevice device_type, uint32_t device_id) {
   // Initialize the transforms_ and other context
-  for (auto &op : ops) {
-    std::shared_ptr<TensorTransform> smart_ptr_op(op);
-    transforms_.emplace_back(smart_ptr_op);
-  }
+  (void)std::transform(
+    ops.begin(), ops.end(), std::back_inserter(ops_),
+    [](TensorTransform *operation) -> std::shared_ptr<TensorOperation> { return operation->Parse(); });
 
   info_ = std::make_shared<ExtraInfo>();
+  info_->init_with_shared_ptr_ = false;
   device_type_ = device_type;
   (void)InitResource(device_type, device_id);
 }

tests/ut/cpp/dataset/execute_test.cc

@@ -2289,3 +2289,99 @@ TEST_F(MindDataTestExecute, TestSpectralCentroidWithWrongArg) {
   Status rc = transform({input_tensor}, &input_tensor);
   EXPECT_FALSE(rc.IsOk());
 }
+
+/// Feature: Execute Construct Demo1
+/// Description: demonstrate how to construct a Execute
+/// Expectation: Construct Execute object and run
+TEST_F(MindDataTestExecute, TestConstructorDemo1) {
+  MS_LOG(INFO) << "Doing MindDataTestExecute-TestConstructorDemo1.";
+  // Read images
+  mindspore::MSTensor image = ReadFileToTensor("data/dataset/apple.jpg");
+  mindspore::MSTensor aug_image;
+
+  // Pass Transformation object
+  auto decode = vision::Decode();
+  auto resize = vision::Resize({66, 77});
+  auto transform = Execute({decode, resize});
+
+  Status rc = transform(image, &aug_image);
+  EXPECT_EQ(rc, Status::OK());
+
+  EXPECT_EQ(aug_image.Shape()[0], 66);
+  EXPECT_EQ(aug_image.Shape()[1], 77);
+}
+
+/// Feature: Execute Construct Demo2
+/// Description: demonstrate how to construct a Execute
+/// Expectation: Construct Execute object and run
+TEST_F(MindDataTestExecute, TestConstructorDemo2) {
+  MS_LOG(INFO) << "Doing MindDataTestExecute-TestConstructorDemo2.";
+  // Read images
+  mindspore::MSTensor image = ReadFileToTensor("data/dataset/apple.jpg");
+  mindspore::MSTensor aug_image;
+
+  // Pass address of Transformation object
+  auto decode = vision::Decode();
+  auto resize = vision::Resize({66, 77});
+  std::vector<TensorTransform *> ops = {&decode};
+  bool use_resize = true;
+  if (use_resize) {
+    ops.push_back(&resize);
+  }
+
+  auto transform = Execute(ops);
+  Status rc = transform(image, &aug_image);
+  EXPECT_EQ(rc, Status::OK());
+
+  EXPECT_EQ(aug_image.Shape()[0], 66);
+  EXPECT_EQ(aug_image.Shape()[1], 77);
+}
+
+/// Feature: Execute Construct Demo3
+/// Description: demonstrate how to construct a Execute
+/// Expectation: Construct Execute object and run
+TEST_F(MindDataTestExecute, TestConstructorDemo3) {
+  MS_LOG(INFO) << "Doing MindDataTestExecute-TestConstructorDemo3.";
+  // Read images
+  mindspore::MSTensor image = ReadFileToTensor("data/dataset/apple.jpg");
+  std::vector<mindspore::MSTensor> images = {image};
+  std::vector<mindspore::MSTensor> aug_images;
+
+  // Pass smart pointers of Transformation object
+  std::shared_ptr<TensorTransform> decode(new vision::Decode());
+  std::shared_ptr<TensorTransform> resize(new vision::Resize({66, 77}));
+  std::vector<std::shared_ptr<TensorTransform>> ops = {decode, resize};
+
+  auto transform = Execute(ops);
+  Status rc = transform(images, &aug_images);
+  EXPECT_EQ(rc, Status::OK());
+
+  EXPECT_EQ(aug_images[0].Shape()[0], 66);
+  EXPECT_EQ(aug_images[0].Shape()[1], 77);
+}
+
+/// Feature: Execute Construct Demo4
+/// Description: demonstrate how to construct a Execute
+/// Expectation: Construct Execute object and run
+TEST_F(MindDataTestExecute, TestConstructorDemo4) {
+  MS_LOG(INFO) << "Doing MindDataTestExecute-TestConstructorDemo4.";
+  // Read images
+  mindspore::MSTensor image = ReadFileToTensor("data/dataset/apple.jpg");
+  std::vector<mindspore::MSTensor> images = {image};
+  std::vector<mindspore::MSTensor> aug_images;
+
+  // Pass raw pointers of Transformation object
+  auto decode = new vision::Decode();
+  auto resize = new vision::Resize({66, 77});
+  std::vector<TensorTransform *> ops = {decode, resize};
+
+  auto transform = Execute(ops);
+  Status rc = transform(images, &aug_images);
+  EXPECT_EQ(rc, Status::OK());
+
+  EXPECT_EQ(aug_images[0].Shape()[0], 66);
+  EXPECT_EQ(aug_images[0].Shape()[1], 77);
+
+  delete decode;
+  delete resize;
+}