init() public method Initializes the DB connection component

$key public property The column that is used as the key of the

prepareKeys() protected method Prepares the keys associated

$db public property The DB connection object or the application

$query public property The query that is used to fetch data models

prepareTotalCount() protected method Returns a value indicating

prepareModels() protected method Prepares the data models

setSort() public method Sets the sort definition for this