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From GitBox <...@apache.org>
Subject [GitHub] XD-DENG commented on a change in pull request #4265: [AIRFLOW-3406] Implement an Azure CosmosDB operator
Date Tue, 04 Dec 2018 13:54:12 GMT
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_r238669144
 
 

 ##########
 File path: airflow/contrib/operators/azure_cosmos_insertdocument_operator.py
 ##########
 @@ -0,0 +1,67 @@
+# -*- 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.models import BaseOperator
+from airflow.utils.decorators import apply_defaults
+
+
+class AzureCosmosInsertDocumentOperator(BaseOperator):
+    """
+    Inserts a new document into the specified Cosmos database and collection
+    It will create both the database and collection if they do not already exist
+
+    :param database_name: The name of the database. (templated)
+    :type database_name: str
+    :param collection_name: The name of the collection. (templated)
+    :type collection_name: str
+    :param document: The document to insert
+    :type document: json
+    :param azure_cosmos_conn_id: reference to a CosmosDB connection.
+    :type azure_cosmos_conn_id: str
+    """
+    template_fields = ('database_name', 'collection_name')
+    ui_color = '#e4f0e8'
+
+    @apply_defaults
+    def __init__(self,
+                 database_name,
+                 collection_name,
+                 document,
+                 azure_cosmos_conn_id='azure_cosmos_default',
+                 *args,
+                 **kwargs):
+        super(AzureCosmosInsertDocumentOperator, self).__init__(*args, **kwargs)
+        self.database_name = database_name
+        self.collection_name = collection_name
+        self.document = document
+        self.azure_cosmos_conn_id = azure_cosmos_conn_id
+
+    def execute(self, context):
+        # Create the hook
+        hook = AzureCosmosDBHook(azure_cosmos_conn_id=self.azure_cosmos_conn_id)
+
+        # Create the DB if it doesn't already exist
+        hook.create_database(self.database_name)
+
+        # Create the collection as well
+        hook.create_collection(self.collection_name, self.database_name)
 
 Review comment:
   The same question as above

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