loadMessagesFromDb() protected method Loads the messages

addContent() public method Adds string content to the

batchInsert() public method Inserts batch of new documents

__construct() public method Constructor.

$fileCollection public read-only property Mongo GridFS

getAssignment() public method Returns the assignment information

getDefaultDatabaseName() public method Returns default

gc() public method Removes the expired data values.

find() public method Returns a cursor for the search results

stream_close() public method Closes a resource.