Source code for airflow.contrib.sensors.azure_cosmos_sensor

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from airflow.contrib.hooks.azure_cosmos_hook import AzureCosmosDBHook
from airflow.sensors.base_sensor_operator import BaseSensorOperator
from airflow.utils.decorators import apply_defaults

[docs]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: Reference to the Azure CosmosDB connection. :type azure_cosmos_conn_id: str """ super(AzureCosmosDocumentSensor, self).__init__(*args, **kwargs) self.azure_cosmos_conn_id = azure_cosmos_conn_id self.database_name = database_name self.collection_name = collection_name self.document_id = document_id
[docs] def poke(self, context):"*** Intering poke") hook = AzureCosmosDBHook(self.azure_cosmos_conn_id) return hook.get_document(self.document_id, self.database_name, self.collection_name) is not None