Support dataset module for iotdb in ainode

iotdb-core/ainode/ainode/core/config.py

@@ -52,6 +52,9 @@ def __init__(self):
         # log directory
         self._ain_logs_dir: str = AINODE_LOG_DIR
 
+        # cache size for ingress dataloader (MB)
+        self._ain_data_cache_size = 50
+
         # Directory to save models
         self._ain_models_dir = AINODE_MODELS_DIR
 
@@ -94,6 +97,12 @@ def get_build_info(self) -> str:
     def set_build_info(self, build_info: str) -> None:
         self._build_info = build_info
 
+    def get_ain_data_storage_cache_size(self) -> int:
+        return self._ain_data_cache_size
+
+    def set_ain_data_cache_size(self, ain_data_cache_size: int) -> None:
+        self._ain_data_cache_size = ain_data_cache_size
+
     def set_version_info(self, version_info: str) -> None:
         self._version_info = version_info
 

iotdb-core/ainode/ainode/core/ingress/__init__.py

@@ -0,0 +1,17 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+#

iotdb-core/ainode/ainode/core/ingress/dataset.py

@@ -0,0 +1,62 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+#
+from torch.utils.data import Dataset
+
+from ainode.core.ingress.iotdb import IoTDBTableModelDataset, IoTDBTreeModelDataset
+from ainode.core.util.decorator import singleton
+
+
+class BasicDatabaseDataset(Dataset):
+    def __init__(self, ip: str, port: int):
+        self.ip = ip
+        self.port = port
+
+
+class BasicDatabaseForecastDataset(BasicDatabaseDataset):
+    def __init__(self, ip: str, port: int, input_len: int, output_len: int):
+        super().__init__(ip, port)
+        self.input_len = input_len
+        self.output_len = output_len
+
+
+def register_dataset(key: str, dataset: Dataset):
+    DatasetFactory().register(key, dataset)
+
+
+@singleton
+class DatasetFactory(object):
+
+    def __init__(self):
+        self.dataset_list = {
+            "iotdb.table": IoTDBTableModelDataset,
+            "iotdb.tree": IoTDBTreeModelDataset,
+        }
+
+    def register(self, key: str, dataset: Dataset):
+        if key not in self.dataset_list:
+            self.dataset_list[key] = dataset
+        else:
+            raise KeyError(f"Dataset {key} already exists")
+
+    def deregister(self, key: str):
+        del self.dataset_list[key]
+
+    def get_dataset(self, key: str):
+        if key not in self.dataset_list.keys():
+            raise KeyError(f"Dataset {key} does not exist")
+        return self.dataset_list[key]