package Ġfi . k ro on . v ad ret . domain . ag gregated feed Ċ Ċ import Ġfi . k ro on . v ad ret . data . ag gregated feed . local . Ag gregated Feed Local DataSource Ċ import Ġfi . k ro on . v ad ret . data . failure . Failure Ċ import Ġfi . k ro on . v ad ret . util . APP _ AGG REG ATED _ FEED _ LAST _ CHECK ED _ KEY Ċ import Ġio . github . sp hr ak . either . Either Ċ import Ġio . reactivex . Single Ċ import Ġjavax . inject . Inject Ċ Ċ class ĠGet Ag gregated Feed Last Checked Task Ġ@ Inject Ġconstructor ( ĊĠĠĠ Ġprivate Ġval Ġlocal : ĠAg gregated Feed Local DataSource Ċ ) Ġ{ ĊĠĠĠ Ġoperator Ġfun Ġinvoke (): ĠSingle < Either < Failure , ĠLong >> Ġ= ĊĠĠĠĠĠĠĠ Ġlocal ĊĠĠĠĠĠĠĠĠĠĠĠ Ġ. getLong ( key Ġ= ĠAPP _ AGG REG ATED _ FEED _ LAST _ CHECK ED _ KEY ) Ċ }