Refactor ImageFolderNode and BatchNode into its separate files

fix ci

fix ci

address review cmmts, fix ci

remove dup code in datasets.cc

mindspore/ccsrc/minddata/dataset/CMakeLists.txt

@@ -78,6 +78,8 @@ add_dependencies(callback core)
 add_dependencies(text core)
 add_dependencies(text-kernels core)
 add_dependencies(cpp-API core)
+add_dependencies(engine-ir-datasetops core)
+add_dependencies(engine-ir-datasetops-source core)
 if (ENABLE_PYTHON)
     add_dependencies(APItoPython core)
 endif()
@@ -99,6 +101,8 @@ set(submodules
     $<TARGET_OBJECTS:lite-cv>
     $<TARGET_OBJECTS:kernels-data>
     $<TARGET_OBJECTS:cpp-API>
+    $<TARGET_OBJECTS:engine-ir-datasetops>
+    $<TARGET_OBJECTS:engine-ir-datasetops-source>
     $<TARGET_OBJECTS:kernels-soft-dvpp-image>
     $<TARGET_OBJECTS:soft-dvpp-utils>
     $<TARGET_OBJECTS:engine-datasetops-source>

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

@@ -61,6 +61,10 @@
 #include "minddata/dataset/engine/datasetops/source/sampler/sampler.h"
 #include "minddata/dataset/engine/datasetops/source/sampler/sequential_sampler.h"
 
+// IR nodes
+#include "minddata/dataset/engine/ir/datasetops/batch_node.h"
+#include "minddata/dataset/engine/ir/datasetops/source/image_folder_node.h"
+
 #include "minddata/dataset/core/config_manager.h"
 #include "minddata/dataset/util/path.h"
 #include "minddata/dataset/util/random.h"
@@ -69,15 +73,6 @@ namespace mindspore {
 namespace dataset {
 namespace api {
 
-#define RETURN_EMPTY_IF_ERROR(_s) \
-  do {                            \
-    Status __rc = (_s);           \
-    if (__rc.IsError()) {         \
-      MS_LOG(ERROR) << __rc;      \
-      return {};                  \
-    }                             \
-  } while (false)
-
 // Function to create the iterator, which will build and launch the execution tree.
 std::shared_ptr<Iterator> Dataset::CreateIterator(std::vector<std::string> columns) {
   std::shared_ptr<Iterator> iter;
@@ -1283,43 +1278,6 @@ std::vector<std::shared_ptr<DatasetOp>> CSVNode::Build() {
   node_ops.push_back(csv_op);
   return node_ops;
 }
-
-ImageFolderNode::ImageFolderNode(std::string dataset_dir, bool decode, std::shared_ptr<SamplerObj> sampler,
-                                 bool recursive, std::set<std::string> extensions,
-                                 std::map<std::string, int32_t> class_indexing)
-    : dataset_dir_(dataset_dir),
-      decode_(decode),
-      sampler_(sampler),
-      recursive_(recursive),
-      class_indexing_(class_indexing),
-      exts_(extensions) {}
-
-Status ImageFolderNode::ValidateParams() {
-  RETURN_IF_NOT_OK(ValidateDatasetDirParam("ImageFolderNode", dataset_dir_));
-
-  RETURN_IF_NOT_OK(ValidateDatasetSampler("ImageFolderNode", sampler_));
-
-  return Status::OK();
-}
-
-std::vector<std::shared_ptr<DatasetOp>> ImageFolderNode::Build() {
-  // A vector containing shared pointer to the Dataset Ops that this object will create
-  std::vector<std::shared_ptr<DatasetOp>> node_ops;
-
-  // Do internal Schema generation.
-  // This arg is exist in ImageFolderOp, but not externalized (in Python API).
-  std::unique_ptr<DataSchema> schema = std::make_unique<DataSchema>();
-  TensorShape scalar = TensorShape::CreateScalar();
-  RETURN_EMPTY_IF_ERROR(
-    schema->AddColumn(ColDescriptor("image", DataType(DataType::DE_UINT8), TensorImpl::kFlexible, 1)));
-  RETURN_EMPTY_IF_ERROR(
-    schema->AddColumn(ColDescriptor("label", DataType(DataType::DE_INT32), TensorImpl::kFlexible, 0, &scalar)));
-  node_ops.push_back(std::make_shared<ImageFolderOp>(num_workers_, rows_per_buffer_, dataset_dir_, connector_que_size_,
-                                                     recursive_, decode_, exts_, class_indexing_, std::move(schema),
-                                                     std::move(sampler_->Build())));
-  return node_ops;
-}
-
 #ifndef ENABLE_ANDROID
 ManifestNode::ManifestNode(const std::string &dataset_file, const std::string &usage,
                            const std::shared_ptr<SamplerObj> &sampler,
@@ -1800,54 +1758,6 @@ std::vector<std::shared_ptr<DatasetOp>> VOCNode::Build() {
 }
 #endif
 
-// DERIVED DATASET CLASSES LEAF-NODE DATASETS
-// (In alphabetical order)
-
-BatchNode::BatchNode(std::shared_ptr<Dataset> child, int32_t batch_size, bool drop_remainder, bool pad,
-                     std::vector<std::string> cols_to_map,
-                     std::map<std::string, std::pair<TensorShape, std::shared_ptr<Tensor>>> pad_map)
-    : batch_size_(batch_size),
-      drop_remainder_(drop_remainder),
-      pad_(pad),
-      cols_to_map_(cols_to_map),
-      pad_map_(pad_map) {
-  this->children.push_back(child);
-}
-
-std::vector<std::shared_ptr<DatasetOp>> BatchNode::Build() {
-  // A vector containing shared pointer to the Dataset Ops that this object will create
-  std::vector<std::shared_ptr<DatasetOp>> node_ops;
-
-#ifdef ENABLE_PYTHON
-  py::function noop;
-  node_ops.push_back(std::make_shared<BatchOp>(batch_size_, drop_remainder_, pad_, connector_que_size_, num_workers_,
-                                               cols_to_map_, cols_to_map_, noop, noop, pad_map_));
-#else
-  node_ops.push_back(std::make_shared<BatchOp>(batch_size_, drop_remainder_, pad_, connector_que_size_, num_workers_,
-                                               cols_to_map_, pad_map_));
-#endif
-
-  // Until py::function is implemented for C++ API, there is no need for a project op to be inserted after batch
-  // because project is only needed when batch op performs per_batch_map. This per_batch_map is a pyfunc
-  return node_ops;
-}
-
-Status BatchNode::ValidateParams() {
-  if (batch_size_ <= 0) {
-    std::string err_msg = "BatchNode: batch_size should be positive integer, but got: " + std::to_string(batch_size_);
-    MS_LOG(ERROR) << err_msg;
-    RETURN_STATUS_SYNTAX_ERROR(err_msg);
-  }
-
-  if (!cols_to_map_.empty()) {
-    std::string err_msg = "BatchNode: cols_to_map functionality is not implemented in C++; this should be left empty.";
-    MS_LOG(ERROR) << err_msg;
-    RETURN_STATUS_SYNTAX_ERROR(err_msg);
-  }
-
-  return Status::OK();
-}
-
 #ifndef ENABLE_ANDROID
 BucketBatchByLengthNode::BucketBatchByLengthNode(
   std::shared_ptr<Dataset> child, const std::vector<std::string> &column_names,
@@ -1884,7 +1794,7 @@ std::vector<std::shared_ptr<DatasetOp>> BucketBatchByLengthNode::Build() {
 Status BucketBatchByLengthNode::ValidateParams() {
   if (element_length_function_ == nullptr && column_names_.size() != 1) {
     std::string err_msg = "BucketBatchByLengthNode: element_length_function not specified, but not one column name: " +
-                          column_names_.size();
+                          std::to_string(column_names_.size());
     MS_LOG(ERROR) << err_msg;
     RETURN_STATUS_SYNTAX_ERROR(err_msg);
   }

mindspore/ccsrc/minddata/dataset/engine/CMakeLists.txt

@@ -1,8 +1,10 @@
 add_subdirectory(datasetops)
 add_subdirectory(opt)
 add_subdirectory(gnn)
+add_subdirectory(ir)
 add_subdirectory(perf)
 add_subdirectory(cache)
+
 if (ENABLE_TDTQUE)
   add_subdirectory(tdt)
 endif ()

mindspore/ccsrc/minddata/dataset/engine/ir/CMakeLists.txt

@@ -0,0 +1,3 @@
+file(GLOB_RECURSE _CURRENT_SRC_FILES RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "*.cc")
+set_property(SOURCE ${_CURRENT_SRC_FILES} PROPERTY COMPILE_DEFINITIONS SUBMODULE_ID=mindspore::SubModuleId::SM_MD)
+add_subdirectory(datasetops)

mindspore/ccsrc/minddata/dataset/engine/ir/datasetops/CMakeLists.txt

@@ -0,0 +1,5 @@
+file(GLOB_RECURSE _CURRENT_SRC_FILES RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "*.cc")
+set_property(SOURCE ${_CURRENT_SRC_FILES} PROPERTY COMPILE_DEFINITIONS SUBMODULE_ID=mindspore::SubModuleId::SM_MD)
+add_subdirectory(source)
+add_library(engine-ir-datasetops OBJECT
+        batch_node.cc)

mindspore/ccsrc/minddata/dataset/engine/ir/datasetops/batch_node.cc

@@ -0,0 +1,76 @@
+/**
+ * Copyright 2020 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "minddata/dataset/engine/ir/datasetops/batch_node.h"
+
+#include <map>
+#include <memory>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "minddata/dataset/engine/datasetops/batch_op.h"
+#include "minddata/dataset/util/status.h"
+namespace mindspore {
+namespace dataset {
+namespace api {
+
+BatchNode::BatchNode(std::shared_ptr<Dataset> child, int32_t batch_size, bool drop_remainder, bool pad,
+                     std::vector<std::string> cols_to_map,
+                     std::map<std::string, std::pair<TensorShape, std::shared_ptr<Tensor>>> pad_map)
+    : batch_size_(batch_size),
+      drop_remainder_(drop_remainder),
+      pad_(pad),
+      cols_to_map_(cols_to_map),
+      pad_map_(pad_map) {
+  this->children.push_back(child);
+}
+
+Status BatchNode::ValidateParams() {
+  if (batch_size_ <= 0) {
+    std::string err_msg = "Batch: batch_size should be positive integer, but got: " + std::to_string(batch_size_);
+    MS_LOG(ERROR) << err_msg;
+    RETURN_STATUS_SYNTAX_ERROR(err_msg);
+  }
+  if (!cols_to_map_.empty()) {
+    std::string err_msg = "cols_to_map functionality is not implemented in C++; this should be left empty.";
+    MS_LOG(ERROR) << err_msg;
+    RETURN_STATUS_SYNTAX_ERROR(err_msg);
+  }
+  return Status::OK();
+}
+
+std::vector<std::shared_ptr<DatasetOp>> BatchNode::Build() {
+  // A vector containing shared pointer to the Dataset Ops that this object will create
+  std::vector<std::shared_ptr<DatasetOp>> node_ops;
+
+#ifdef ENABLE_PYTHON
+  py::function noop;
+  node_ops.push_back(std::make_shared<BatchOp>(batch_size_, drop_remainder_, pad_, connector_que_size_, num_workers_,
+                                               cols_to_map_, cols_to_map_, noop, noop, pad_map_));
+#else
+  node_ops.push_back(std::make_shared<BatchOp>(batch_size_, drop_remainder_, pad_, connector_que_size_, num_workers_,
+                                               cols_to_map_, pad_map_));
+#endif
+
+  // Until py::function is implemented for C++ API, there is no need for a project op to be inserted after batch
+  // because project is only needed when batch op performs per_batch_map. This per_batch_map is a pyfunc
+  return node_ops;
+}
+
+}  // namespace api
+}  // namespace dataset
+}  // namespace mindspore

mindspore/ccsrc/minddata/dataset/engine/ir/datasetops/batch_node.h

@@ -0,0 +1,61 @@
+/**
+ * Copyright 2020 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MINDSPORE_CCSRC_MINDDATA_DATASET_ENGINE_IR_DATASETOPS_BATCH_NODE_H_
+#define MINDSPORE_CCSRC_MINDDATA_DATASET_ENGINE_IR_DATASETOPS_BATCH_NODE_H_
+
+#include <map>
+#include <memory>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "minddata/dataset/include/datasets.h"
+
+namespace mindspore {
+namespace dataset {
+namespace api {
+
+class BatchNode : public Dataset {
+ public:
+  /// \brief Constructor
+  BatchNode(std::shared_ptr<Dataset> child, int32_t batch_size, bool drop_remainder, bool pad,
+            std::vector<std::string> cols_to_map,
+            std::map<std::string, std::pair<TensorShape, std::shared_ptr<Tensor>>> pad_map);
+
+  /// \brief Destructor
+  ~BatchNode() = default;
+
+  /// \brief a base class override function to create the required runtime dataset op objects for this class
+  /// \return The list of shared pointers to the newly created DatasetOps
+  std::vector<std::shared_ptr<DatasetOp>> Build() override;
+
+  /// \brief Parameters validation
+  /// \return Status Status::OK() if all the parameters are valid
+  Status ValidateParams() override;
+
+ private:
+  int32_t batch_size_;
+  bool drop_remainder_;
+  bool pad_;
+  std::vector<std::string> cols_to_map_;
+  std::map<std::string, std::pair<TensorShape, std::shared_ptr<Tensor>>> pad_map_;
+};
+
+}  // namespace api
+}  // namespace dataset
+}  // namespace mindspore
+#endif  // MINDSPORE_CCSRC_MINDDATA_DATASET_ENGINE_IR_DATASETOPS_BATCH_NODE_H_

mindspore/ccsrc/minddata/dataset/engine/ir/datasetops/source/CMakeLists.txt

@@ -0,0 +1,4 @@
+file(GLOB_RECURSE _CURRENT_SRC_FILES RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "*.cc")
+set_property(SOURCE ${_CURRENT_SRC_FILES} PROPERTY COMPILE_DEFINITIONS SUBMODULE_ID=mindspore::SubModuleId::SM_MD)
+add_library(engine-ir-datasetops-source OBJECT
+        image_folder_node.cc)

mindspore/ccsrc/minddata/dataset/engine/ir/datasetops/source/image_folder_node.cc

@@ -0,0 +1,70 @@
+/**
+ * Copyright 2020 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "minddata/dataset/engine/ir/datasetops/source/image_folder_node.h"
+
+#include <map>
+#include <memory>
+#include <set>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "minddata/dataset/engine/datasetops/source/image_folder_op.h"
+
+#include "minddata/dataset/util/status.h"
+namespace mindspore {
+namespace dataset {
+namespace api {
+
+ImageFolderNode::ImageFolderNode(std::string dataset_dir, bool decode, std::shared_ptr<SamplerObj> sampler,
+                                 bool recursive, std::set<std::string> extensions,
+                                 std::map<std::string, int32_t> class_indexing)
+    : dataset_dir_(dataset_dir),
+      decode_(decode),
+      sampler_(sampler),
+      recursive_(recursive),
+      class_indexing_(class_indexing),
+      exts_(extensions) {}
+
+Status ImageFolderNode::ValidateParams() {
+  RETURN_IF_NOT_OK(ValidateDatasetDirParam("ImageFolderNode", dataset_dir_));
+
+  RETURN_IF_NOT_OK(ValidateDatasetSampler("ImageFolderNode", sampler_));
+
+  return Status::OK();
+}
+
+std::vector<std::shared_ptr<DatasetOp>> ImageFolderNode::Build() {
+  // A vector containing shared pointer to the Dataset Ops that this object will create
+  std::vector<std::shared_ptr<DatasetOp>> node_ops;
+
+  // Do internal Schema generation.
+  // This arg is exist in ImageFolderOp, but not externalized (in Python API).
+  std::unique_ptr<DataSchema> schema = std::make_unique<DataSchema>();
+  TensorShape scalar = TensorShape::CreateScalar();
+  RETURN_EMPTY_IF_ERROR(
+    schema->AddColumn(ColDescriptor("image", DataType(DataType::DE_UINT8), TensorImpl::kFlexible, 1)));
+  RETURN_EMPTY_IF_ERROR(
+    schema->AddColumn(ColDescriptor("label", DataType(DataType::DE_INT32), TensorImpl::kFlexible, 0, &scalar)));
+  node_ops.push_back(std::make_shared<ImageFolderOp>(num_workers_, rows_per_buffer_, dataset_dir_, connector_que_size_,
+                                                     recursive_, decode_, exts_, class_indexing_, std::move(schema),
+                                                     std::move(sampler_->Build())));
+  return node_ops;
+}
+}  // namespace api
+}  // namespace dataset
+}  // namespace mindspore

mindspore/ccsrc/minddata/dataset/engine/ir/datasetops/source/image_folder_node.h

@@ -0,0 +1,63 @@
+/**
+ * Copyright 2020 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MINDSPORE_CCSRC_MINDDATA_DATASET_ENGINE_IR_DATASETOPS_SOURCE_IMAGE_FOLDER_NODE_H_
+#define MINDSPORE_CCSRC_MINDDATA_DATASET_ENGINE_IR_DATASETOPS_SOURCE_IMAGE_FOLDER_NODE_H_
+
+#include <map>
+#include <memory>
+#include <set>
+#include <string>
+#include <vector>
+
+#include "minddata/dataset/include/datasets.h"
+
+namespace mindspore {
+namespace dataset {
+
+namespace api {
+
+/// \class ImageFolderNode
+/// \brief A Dataset derived class to represent ImageFolder dataset
+class ImageFolderNode : public Dataset {
+ public:
+  /// \brief Constructor
+  ImageFolderNode(std::string dataset_dir, bool decode, std::shared_ptr<SamplerObj> sampler, bool recursive,
+                  std::set<std::string> extensions, std::map<std::string, int32_t> class_indexing);
+
+  /// \brief Destructor
+  ~ImageFolderNode() = default;
+
+  /// \brief a base class override function to create the required runtime dataset op objects for this class
+  /// \return The list of shared pointers to the newly created DatasetOps
+  std::vector<std::shared_ptr<DatasetOp>> Build() override;
+
+  /// \brief Parameters validation
+  /// \return Status Status::OK() if all the parameters are valid
+  Status ValidateParams() override;
+
+ private:
+  std::string dataset_dir_;
+  bool decode_;
+  bool recursive_;
+  std::shared_ptr<SamplerObj> sampler_;
+  std::map<std::string, int32_t> class_indexing_;
+  std::set<std::string> exts_;
+};
+}  // namespace api
+}  // namespace dataset
+}  // namespace mindspore
+#endif  // MINDSPORE_CCSRC_MINDDATA_DATASET_ENGINE_IR_DATASETOPS_SOURCE_IMAGE_FOLDER_NODE_H_

mindspore/ccsrc/minddata/dataset/include/datasets.h

@@ -22,6 +22,7 @@
 #include <memory>
 #include <set>
 #include <string>
+#include <unordered_set>
 #include <utility>
 #include <vector>
 #include "minddata/dataset/core/constants.h"
@@ -65,6 +66,7 @@ class CocoNode;
 class CSVNode;
 class CsvBase;
 class ImageFolderNode;
+class BatchNode;
 #ifndef ENABLE_ANDROID
 class ManifestNode;
 class MindDataNode;
@@ -77,7 +79,6 @@ class TFRecordNode;
 class VOCNode;
 #endif
 // Dataset Op classes (in alphabetical order)
-class BatchNode;
 #ifndef ENABLE_ANDROID
 class BucketBatchByLengthNode;
 class BuildVocabNode;
@@ -92,6 +93,30 @@ class SkipNode;
 class TakeNode;
 class ZipNode;
 
+#define RETURN_EMPTY_IF_ERROR(_s) \
+  do {                            \
+    Status __rc = (_s);           \
+    if (__rc.IsError()) {         \
+      MS_LOG(ERROR) << __rc;      \
+      return {};                  \
+    }                             \
+  } while (false)
+
+// Helper function to validate dataset num_shards and shard_id parameters
+Status ValidateDatasetShardParams(const std::string &dataset_name, int32_t num_shards, int32_t shard_id);
+
+// Helper function to validate dataset sampler parameter
+Status ValidateDatasetSampler(const std::string &dataset_name, const std::shared_ptr<SamplerObj> &sampler);
+
+Status ValidateStringValue(const std::string &str, const std::unordered_set<std::string> &valid_strings);
+
+// Helper function to validate dataset input/output column parameterCD -
+Status ValidateDatasetColumnParam(const std::string &dataset_name, const std::string &column_param,
+                                  const std::vector<std::string> &columns);
+
+// Helper function to validate dataset directory parameter
+Status ValidateDatasetDirParam(const std::string &dataset_name, std::string dataset_dir);
+
 /// \brief Function to create a SchemaObj
 /// \param[in] schema_file Path of schema file
 /// \return Shared pointer to the current schema
@@ -915,34 +940,6 @@ class CSVNode : public Dataset {
   int32_t shard_id_;
 };
 
-/// \class ImageFolderNode
-/// \brief A Dataset derived class to represent ImageFolder dataset
-class ImageFolderNode : public Dataset {
- public:
-  /// \brief Constructor
-  ImageFolderNode(std::string dataset_dir, bool decode, std::shared_ptr<SamplerObj> sampler, bool recursive,
-                  std::set<std::string> extensions, std::map<std::string, int32_t> class_indexing);
-
-  /// \brief Destructor
-  ~ImageFolderNode() = default;
-
-  /// \brief a base class override function to create the required runtime dataset op objects for this class
-  /// \return The list of shared pointers to the newly created DatasetOps
-  std::vector<std::shared_ptr<DatasetOp>> Build() override;
-
-  /// \brief Parameters validation
-  /// \return Status Status::OK() if all the parameters are valid
-  Status ValidateParams() override;
-
- private:
-  std::string dataset_dir_;
-  bool decode_;
-  bool recursive_;
-  std::shared_ptr<SamplerObj> sampler_;
-  std::map<std::string, int32_t> class_indexing_;
-  std::set<std::string> exts_;
-};
-
 #ifndef ENABLE_ANDROID
 class ManifestNode : public Dataset {
  public:
@@ -1202,32 +1199,6 @@ class VOCNode : public Dataset {
 // DERIVED DATASET CLASSES FOR DATASET OPS
 // (In alphabetical order)
 
-class BatchNode : public Dataset {
- public:
-  /// \brief Constructor
-  BatchNode(std::shared_ptr<Dataset> child, int32_t batch_size, bool drop_remainder, bool pad,
-            std::vector<std::string> cols_to_map,
-            std::map<std::string, std::pair<TensorShape, std::shared_ptr<Tensor>>> pad_map);
-
-  /// \brief Destructor
-  ~BatchNode() = default;
-
-  /// \brief a base class override function to create the required runtime dataset op objects for this class
-  /// \return The list of shared pointers to the newly created DatasetOps
-  std::vector<std::shared_ptr<DatasetOp>> Build() override;
-
-  /// \brief Parameters validation
-  /// \return Status Status::OK() if all the parameters are valid
-  Status ValidateParams() override;
-
- private:
-  int32_t batch_size_;
-  bool drop_remainder_;
-  bool pad_;
-  std::vector<std::string> cols_to_map_;
-  std::map<std::string, std::pair<TensorShape, std::shared_ptr<Tensor>>> pad_map_;
-};
-
 #ifndef ENABLE_ANDROID
 class BucketBatchByLengthNode : public Dataset {
  public:

tests/ut/cpp/dataset/c_api_dataset_iterator_test.cc

@@ -16,6 +16,8 @@
 #include "common/common.h"
 #include "minddata/dataset/include/datasets.h"
 
+#include "minddata/dataset/engine/ir/datasetops/batch_node.h"
+
 using namespace mindspore::dataset::api;
 using mindspore::dataset::Tensor;
 using mindspore::dataset::TensorShape;

tests/ut/cpp/dataset/c_api_dataset_ops_test.cc

@@ -18,6 +18,8 @@
 #include "minddata/dataset/include/datasets.h"
 #include "minddata/dataset/include/vision.h"
 
+#include "minddata/dataset/engine/ir/datasetops/source/image_folder_node.h"
+#include "minddata/dataset/engine/ir/datasetops/batch_node.h"
 using namespace mindspore::dataset::api;
 using mindspore::dataset::Tensor;
 

tests/ut/cpp/dataset/c_api_dataset_tfrecord_test.cc

@@ -19,12 +19,14 @@
 #include "minddata/dataset/core/config_manager.h"
 #include "minddata/dataset/core/global_context.h"
 
+#include "minddata/dataset/engine/ir/datasetops/batch_node.h"
+
 using namespace mindspore::dataset;
 using namespace mindspore::dataset::api;
-using mindspore::dataset::Tensor;
-using mindspore::dataset::ShuffleMode;
-using mindspore::dataset::TensorShape;
 using mindspore::dataset::DataType;
+using mindspore::dataset::ShuffleMode;
+using mindspore::dataset::Tensor;
+using mindspore::dataset::TensorShape;
 
 class MindDataTestPipeline : public UT::DatasetOpTesting {
  protected:
@@ -355,11 +357,9 @@ TEST_F(MindDataTestPipeline, TestTFRecordDatasetShard) {
 
   // Create a TFRecord Dataset
   // Each file has two columns("image", "label") and 3 rows
-  std::vector<std::string> files = {
-    datasets_root_path_ + "/test_tf_file_3_images2/train-0000-of-0001.data",
-    datasets_root_path_ + "/test_tf_file_3_images2/train-0000-of-0002.data",
-    datasets_root_path_ + "/test_tf_file_3_images2/train-0000-of-0003.data"
-  };
+  std::vector<std::string> files = {datasets_root_path_ + "/test_tf_file_3_images2/train-0000-of-0001.data",
+                                    datasets_root_path_ + "/test_tf_file_3_images2/train-0000-of-0002.data",
+                                    datasets_root_path_ + "/test_tf_file_3_images2/train-0000-of-0003.data"};
   std::shared_ptr<Dataset> ds1 = TFRecord({files}, "", {}, 0, ShuffleMode::kFalse, 2, 1, true);
   EXPECT_NE(ds1, nullptr);
   std::shared_ptr<Dataset> ds2 = TFRecord({files}, "", {}, 0, ShuffleMode::kFalse, 2, 1, false);

tests/ut/cpp/dataset/c_api_datasets_test.cc

@@ -16,6 +16,8 @@
 #include "common/common.h"
 #include "minddata/dataset/include/datasets.h"
 
+#include "minddata/dataset/engine/ir/datasetops/source/image_folder_node.h"
+#include "minddata/dataset/engine/ir/datasetops/batch_node.h"
 using namespace mindspore::dataset::api;
 using mindspore::dataset::Tensor;
 using mindspore::dataset::TensorShape;
@@ -183,19 +185,19 @@ TEST_F(MindDataTestPipeline, TestImageFolderFailWithWrongSampler) {
 }
 
 TEST_F(MindDataTestPipeline, TestMnistFailWithWrongDatasetDir) {
-MS_LOG(INFO) << "Doing MindDataTestPipeline-TestMnistFailWithWrongDatasetDir.";
+  MS_LOG(INFO) << "Doing MindDataTestPipeline-TestMnistFailWithWrongDatasetDir.";
 
-// Create a Mnist Dataset
-std::shared_ptr<Dataset> ds = Mnist("", "all", RandomSampler(false, 10));
-EXPECT_EQ(ds, nullptr);
+  // Create a Mnist Dataset
+  std::shared_ptr<Dataset> ds = Mnist("", "all", RandomSampler(false, 10));
+  EXPECT_EQ(ds, nullptr);
 }
 
 TEST_F(MindDataTestPipeline, TestMnistFailWithNullSampler) {
-MS_LOG(INFO) << "Doing MindDataTestPipeline-TestMnistFailWithNullSampler.";
+  MS_LOG(INFO) << "Doing MindDataTestPipeline-TestMnistFailWithNullSampler.";
 
-// Create a Mnist Dataset
-std::string folder_path = datasets_root_path_ + "/testMnistData/";
-std::shared_ptr<Dataset> ds = Mnist(folder_path, "all", nullptr);
-// Expect failure: sampler can not be nullptr
-EXPECT_EQ(ds, nullptr);
+  // Create a Mnist Dataset
+  std::string folder_path = datasets_root_path_ + "/testMnistData/";
+  std::shared_ptr<Dataset> ds = Mnist(folder_path, "all", nullptr);
+  // Expect failure: sampler can not be nullptr
+  EXPECT_EQ(ds, nullptr);
 }

tests/ut/cpp/dataset/c_api_samplers_test.cc

@@ -16,6 +16,9 @@
 #include "common/common.h"
 #include "minddata/dataset/include/datasets.h"
 
+#include "minddata/dataset/engine/ir/datasetops/source/image_folder_node.h"
+#include "minddata/dataset/engine/ir/datasetops/batch_node.h"
+
 using namespace mindspore::dataset::api;
 using mindspore::dataset::Tensor;
 

tests/ut/cpp/dataset/c_api_transforms_test.cc

@@ -18,6 +18,8 @@
 #include "minddata/dataset/include/transforms.h"
 #include "minddata/dataset/include/vision.h"
 
+#include "minddata/dataset/engine/ir/datasetops/batch_node.h"
+
 using namespace mindspore::dataset::api;
 using mindspore::dataset::BorderType;
 using mindspore::dataset::Tensor;

tests/ut/cpp/dataset/c_api_vision_test.cc

@@ -18,6 +18,8 @@
 #include "minddata/dataset/include/transforms.h"
 #include "minddata/dataset/include/vision.h"
 
+#include "minddata/dataset/engine/ir/datasetops/source/image_folder_node.h"
+#include "minddata/dataset/engine/ir/datasetops/batch_node.h"
 using namespace mindspore::dataset::api;
 using mindspore::dataset::BorderType;
 using mindspore::dataset::Tensor;

tests/ut/cpp/dataset/tree_adapter_test.cc

@@ -20,6 +20,8 @@
 #include "minddata/dataset/include/datasets.h"
 #include "minddata/dataset/include/transforms.h"
 
+#include "minddata/dataset/engine/ir/datasetops/source/image_folder_node.h"
+#include "minddata/dataset/engine/ir/datasetops/batch_node.h"
 using namespace mindspore::dataset;
 using mindspore::dataset::Tensor;