Connection Methods

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Note

For details on a specific method, including syntax and examples, click on the link to the method's reference page.

Name	Description
connect()	Connects to a MongoDB instance and to a specified database on that instance.
`Mongo()`	Creates a new connection object.
`Mongo.getDB()`	Returns a database object.
`Mongo.getReadPrefMode()`	Returns the current read preference mode for the MongoDB connection.
`Mongo.getReadPrefTagSet()`	Returns the read preference tag set for the MongoDB connection.
`Mongo.getSecondaryOk()`	Indicates whether the MongoDB connection allows read operations on secondary members.
`Mongo.isCausalConsistency()`	Indicates whether causal consistency is enabled on the connection object.
`Mongo.setCausalConsistency()`	Enables or disables causal consistency on the connection object.
`Mongo.setReadPref()`	Sets the read preference for the MongoDB connection.
`Mongo.setSecondaryOk()`	Allows read operations on secondary members for the MongoDB connection.
`Mongo.startSession()`	Starts a session on the connection object.
`Mongo.watch()`	Opens a change stream cursor for a deployment to report on all its non-`system` collections across all its databases, excluding the internal `admin`, `local`, and `config` databases.
`Session()`	The session object.
`SessionOptions()`	The options object for the session.

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WriteResult.hasWriteConcernError()

connect()