package Ġweather . data Ċ Ċ import Ġandroidx . room . Dao Ċ import Ġandroidx . room . Insert Ċ import Ġandroidx . room . On Conflict Strategy Ċ import Ġandroidx . room . Query Ċ import Ġandroidx . room . Transaction Ċ import Ġio . reactivex . Flow able Ċ import Ġio . reactivex . Single Ċ Ċ @ Dao Ċ abstract Ġclass ĠCity Dao Ġinternal Ġconstructor ( val Ġdatabase : ĠWeather Database ) Ġ{ ĊĊĠĠĠ Ġ@ Query (" SELECT Ġ* ĠFROM ĠSelected City ") ĊĠĠĠ Ġabstract Ġfun Ġselected C ities (): ĠFlow able < List < Selected City >> ĊĊĠĠĠ Ġ@ Query (" DELETE ĠFROM ĠSelected City ") ĊĠĠĠ Ġabstract Ġfun Ġclear City Selection () ĊĊĠĠĠ Ġ@ Query (" INSERT ĠINTO ĠSelected City Ġ( city _ id ) ĠVALUES Ġ(: city Id )") ĊĠĠĠ Ġabstract Ġfun Ġinsert City Selection ( city Id : ĠLong ) ĊĊĠĠĠ Ġ@ Transaction Ġopen Ġfun Ġset Selection ( city Id : ĠLong ) Ġ{ ĊĠĠĠĠĠĠĠ Ġclear City Selection () ĊĠĠĠĠĠĠĠ Ġinsert City Selection ( city Id ) ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġ@ Query (" SELECT Ġ* ĠFROM ĠCity ĠWHERE Ġname ĠLIKE Ġ: name ĠLIMIT Ġ 3 0 ") ĊĠĠĠ Ġabstract Ġfun Ġsearch ( name : ĠString ): ĠSingle < List < City >> ĊĊĠĠĠ Ġ@ Query (" SELECT ĠCOUNT ( id ) ĠFROM ĠCity ") ĊĠĠĠ Ġabstract Ġfun Ġcity Count (): ĠSingle < Long > ĊĊĠĠĠ Ġ@ Insert ( on Conflict Ġ= ĠOn Conflict Strategy . REPLACE ) ĊĠĠĠ Ġabstract Ġfun Ġinsert City ( city : ĠCity ) Ċ } Ċ