package Ġcom . blo vote . sur veys . domain Ċ Ċ import Ġandroid . arch . lifecycle . Lifecycle Owner Ċ import Ġcom . blo vote . sur veys . data . entities . Question Ċ import Ġcom . blo vote . sur veys . data . entities . Question Category Ċ import Ġcom . blo vote . sur veys . data . entities . Respond Ċ import Ġcom . blo vote . sur veys . data . entities . Survey Ċ import Ġio . reactivex . Comp letable Ċ import Ġio . reactivex . Observable Ċ import Ġio . reactivex . Single Ċ import Ġio . reactivex . internal . operators . observable . Observable Error Ċ import Ġjava . math . BigInteger Ċ Ċ interface ĠSur veys Repository Ġ{ ĊĊĠĠĠ Ġfun ĠgetAll Sur veys () Ġ: ĠList < Survey > ĊĊĠĠĠ Ġfun Ġobserve All Sur veys ( lifecycle Owner : ĠLifecycle Owner ) Ġ: ĠObservable < List < Survey >> ĊĊĠĠĠ Ġfun Ġobserve Creators Questions ( lifecycle Owner : ĠLifecycle Owner , Ġaddress : ĠString ): ĠObservable < List < Survey >> ĊĊĠĠĠ Ġfun Ġupdate Survey Info ( survey : ĠSurvey ) Ġ: ĠSingle < Survey > ĊĊĠĠĠ Ġfun Ġupdate Sur veys () Ġ: ĠList < Survey > ĊĊĠĠĠ Ġfun Ġcreate Survey ( title : ĠString , ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġrequired Respond ents Count : ĠInt , ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġreward Size : ĠBigInteger , ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġfilter Questions : ĠList < Question > Ġ= ĠArrayList (), ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġmain Questions : ĠList < Question >) ĊĊĠĠĠ Ġfun Ġget Survey ( address : ĠString ) Ġ: ĠSingle < Survey > ĊĊĠĠĠ Ġfun Ġupdate Survey Question Info ( survey : ĠSurvey , Ġcategory : ĠQuestion Category , Ġindex : ĠInt ): ĠSingle < Survey > ĊĊĠĠĠ Ġfun Ġupdate Survey All Questions Info ( survey : ĠSurvey ): ĠSingle < Survey > ĊĊĠĠĠ Ġfun Ġcheck Answer ( survey : ĠSurvey , Ġquestion Index : ĠInt , Ġanswers : ĠList < String >) Ġ: ĠSingle < Boolean > ĊĊĠĠĠ Ġfun Ġupload Answer ( survey : ĠSurvey , Ġquestion Index : ĠInt , Ġanswers : ĠList < String >): ĠComp letable ĊĊĊĠĠĠ Ġfun Ġload Respond Info ( survey Address : ĠString , Ġindex : ĠInt ) Ġ: ĠComp letable ĊĊĠĠĠ Ġfun Ġload All Resp on ds Info ( survey Address : ĠString ): ĠComp letable ĊĊĠĠĠ Ġfun ĠgetAll Resp on ds ( lifecycle Owner : ĠLifecycle Owner , Ġsurvey Address : ĠString ) Ġ: ĠObservable < List < Respond >> ĊĊĠĠĠ Ġfun Ġget Respond ( lifecycle Owner : ĠLifecycle Owner , Ġsurvey Address : ĠString , Ġindex : ĠInt ): ĠObservable < Respond > Ċ }