[GitHub] XD-DENG commented on a change in pull request #4265: [AIRFLOW-3406] Implement an Azure CosmosDB operator

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XD-DENG commented on a change in pull request #4265: [AIRFLOW-3406] Implement an Azure CosmosDB operator
URL: https://github.com/apache/incubator-airflow/pull/4265#discussion_r238669611
 
 

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 File path: airflow/contrib/sensors/azure_cosmos_sensor.py
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+# -*- coding: utf-8 -*-
+#
+# 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 airflow.contrib.hooks.azure_cosmos_hook import AzureCosmosDBHook
+from airflow.sensors.base_sensor_operator import BaseSensorOperator
+from airflow.utils.decorators import apply_defaults
+
+
+class AzureCosmosDocumentSensor(BaseSensorOperator):
+    """
+    Checks for the existence of a document which
+    matches the given query in CosmosDB. Example:
+
+    >>> azure_cosmos_sensor = AzureCosmosDocumentSensor(database_name="somedatabase_name",
+    ...                            collection_name="somecollection_name",
+    ...                            document_id="unique-doc-id",
+    ...                            azure_cosmos_conn_id="azure_cosmos_default",
+    ...                            task_id="azure_cosmos_sensor")
+    """
+    template_fields = ('database_name', 'collection_name', 'document_id')
+
+    @apply_defaults
+    def __init__(
+            self,
+            database_name,
+            collection_name,
+            document_id,
+            azure_cosmos_conn_id="azure_cosmos_default",
+            *args,
+            **kwargs):
+        """
+        Create a new AzureCosmosDocumentSensor
+
+        :param database_name: Target CosmosDB database_name.
+        :type database_name: str
+        :param collection_name: Target CosmosDB collection_name.
+        :type collection_name: str
+        :param document_id: The ID of the target document.
+        :type query: str
+        :param azure_cosmos_conn_id: The connection ID to use
+                              when connecting to CosmosDB.
 
 Review comment:
   This line is not indented correctly. It will fail Sphinx rendering.

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