$db public property The DB connection object or the application

$filename public read-only property File name.

dropCollection() public method Drops specified collection

count() public method Returns the number of records.

init() public method Initializes the object.

dropCollection() public method Generates drop collection

getFileResource() public method This method returns a

sum() public method Returns the sum of the specified column

flushValues() protected method Deletes all values from

getCollection() public method Returns the Mongo collection