class_docstr: Utility class to facilitate API queries and state management of
  session data.
class_docstr_tok: ["Utility","class","to","facilitate","API","queries","and","state","management","of","session","data","."]
docstr: Retrieve the resource which is connected to a healthy node
docstr_tok: ["Retrieve","the","resource","which","is","connected","to","a","healthy","node"]
code: def get_healthy_resource(self):
      """Retrieve the resource which is connected to a healthy node"""
  
      resource = core_ops.io_mongo_db_readable_init(
          uri=self.uri,
          database=self.database,
          collection=self.collection,
      )
      print(f"Connection successful: {self.uri}")
      return resource
  
file_path: io/tensorflow_io/python/experimental/mongodb_dataset_ops.py
imports: from urllib.parse import urlparse
  import tensorflow
  from tensorflow_io.python.ops import core_ops
  from tensorflow_io.python.experimental import serialization_ops
label_desc: Use image node_id 2 for calling the _MongoDBHandler obj's underlying member method code with example usage: obj.get_healthy_resource() and returns: resource