package Ġuk . n hs . n hs x . covid 1 9 . android . app . common Ċ Ċ import Ġcom . j ero en m ols . feature flag . framework . Feature Flag . STORE _ EX POS URE _ WINDOWS Ċ import Ġcom . j ero en m ols . feature flag . framework . Runtime Behavior Ċ import Ġuk . n hs . n hs x . covid 1 9 . android . app . ex posure . en counter . Exposure Notification Tokens Provider Ċ import Ġuk . n hs . n hs x . covid 1 9 . android . app . ex posure . en counter . calculation . Ep ide mio logy Event Provider Ċ import Ġuk . n hs . n hs x . covid 1 9 . android . app . qrcode . ris ky ven ues . Last Vis ited Book Test Type Venue Date Provider Ċ import Ġuk . n hs . n hs x . covid 1 9 . android . app . qrcode . ris ky ven ues . R is ky Venue Configuration Provider Ċ import Ġuk . n hs . n hs x . covid 1 9 . android . app . remote . Isolation Configuration Api Ċ import Ġuk . n hs . n hs x . covid 1 9 . android . app . remote . R is ky Venue Configuration Api Ċ import Ġuk . n hs . n hs x . covid 1 9 . android . app . state . Isolation Configuration Provider Ċ import Ġuk . n hs . n hs x . covid 1 9 . android . app . state . Isolation Logical State . Never Is ol ating Ċ import Ġuk . n hs . n hs x . covid 1 9 . android . app . state . Isolation Logical State . Po ss ibly Is ol ating Ċ import Ġuk . n hs . n hs x . covid 1 9 . android . app . state . Isolation StateMachine Ċ import Ġuk . n hs . n hs x . covid 1 9 . android . app . test ordering . Un ack nowled ged Test Results Provider Ċ import Ġjava . time . Clock Ċ import Ġjava . time . LocalDate Ċ import Ġjava . time . temporal . Ch rono Unit Ċ import Ġjavax . inject . Inject Ċ Ċ class ĠClear Out dated Data AndUpdate Isolation Configuration Ġ@ Inject Ġconstructor ( ĊĠĠĠ Ġprivate Ġval Ġisolation StateMachine : ĠI sol ation StateMachine , ĊĠĠĠ Ġprivate Ġval Ġun ack nowled ged Test Results Provider : ĠUn ack nowled ged Test Results Provider , ĊĠĠĠ Ġprivate Ġval Ġisolation Configuration Provider : ĠI sol ation Configuration Provider , ĊĠĠĠ Ġprivate Ġval Ġisolation Configuration Api : ĠI sol ation Configuration Api , ĊĠĠĠ Ġprivate Ġval Ġris ky Venue Configuration Provider : ĠR is ky Venue Configuration Provider , ĊĠĠĠ Ġprivate Ġval Ġris ky Venue Configuration Api : ĠR is ky Venue Configuration Api , ĊĠĠĠ Ġ@ Suppress (" DE PREC ATION ") ĊĠĠĠ Ġprivate Ġval Ġexposure Notification Tokens Provider : ĠEx posure Notification Tokens Provider , ĊĠĠĠ Ġprivate Ġval Ġep ide mio logy Event Provider : ĠEp ide mio logy Event Provider , ĊĠĠĠ Ġprivate Ġval Ġlast Vis ited Book Test Type Venue Date Provider : ĠLast Vis ited Book Test Type Venue Date Provider , ĊĠĠĠ Ġprivate Ġval Ġclear Out dated Key Sharing Info : ĠClear Out dated Key Sharing Info , ĊĠĠĠ Ġprivate Ġval Ġclock : ĠClock Ċ ) Ġ{ ĊĊĠĠĠ Ġsuspend Ġoperator Ġfun Ġinvoke (): ĠResult < Unit > Ġ= Ġrun S af ely Ġ{ ĊĠĠĠĠĠĠĠ Ġupdate Isolation Configuration () ĊĠĠĠĠĠĠĠ Ġupdate R is ky Venue Configuration () ĊĊĠĠĠĠĠĠĠ Ġval Ġretention Period Days Ġ= Ġisolation Configuration Provider . duration Days . pending Tasks Retention Period ĊĊĠĠĠĠĠĠĠ Ġval Ġstate Ġ= Ġisolation StateMachine . read Logical State () ĊĠĠĠĠĠĠĠ Ġif Ġ(! state . isActive Isolation ( clock )) Ġ{ ĊĠĠĠĠĠĠĠĠĠĠĠ Ġif Ġ( state Ġis ĠNever Is ol ating ) Ġ{ ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġval Ġoldest Test EndDate To Keep Ġ= ĠLocalDate . now ( clock ). minus Days ( retention Period Days . to Long ()) ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġif Ġ( state . negative Test ?. test Result ?. test EndDate ?. is Before ( ol dest Test EndDate To Keep ) Ġ== Ġtrue ) Ġ{ ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġisolation StateMachine . reset () ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġ} ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġclear Old Un ack nowled ged Test Results ( retention Period Days ) ĊĠĠĠĠĠĠĠĠĠĠĠ Ġ} Ġelse Ġif Ġ( state Ġis ĠPo ss ibly Is ol ating Ġ&& Ġstate . expiry Date . is More Than Or Exactly Days Ago ( retention Period Days )) Ġ{ ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġclear Old Un ack nowled ged Test Results ( retention Period Days ) ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġisolation StateMachine . reset () ĊĠĠĠĠĠĠĠĠĠĠĠ Ġ} ĊĠĠĠĠĠĠĠ Ġ} ĊĊĠĠĠĠĠĠĠ Ġif Ġ(! last Vis ited Book Test Type Venue Date Provider . contains Book Test Type Venue At Risk ()) Ġ{ ĊĠĠĠĠĠĠĠĠĠĠĠ Ġlast Vis ited Book Test Type Venue Date Provider . last Vis ited Venue Ġ= Ġnull ĊĠĠĠĠĠĠĠ Ġ} ĊĊĠĠĠĠĠĠĠ Ġclear Out dated Key Sharing Info () ĊĊĠĠĠĠĠĠĠ Ġclear Old Ep ide mio logy Events ( retention Period Days ) ĊĊĠĠĠĠĠĠĠ Ġclear Legacy Data () ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġprivate Ġsuspend Ġfun Ġupdate Isolation Configuration () Ġ{ ĊĠĠĠĠĠĠĠ Ġrun Catch ing Ġ{ ĊĠĠĠĠĠĠĠĠĠĠĠ Ġval Ġresponse Ġ= Ġisolation Configuration Api . get Isolation Configuration () ĊĠĠĠĠĠĠĠĠĠĠĠ Ġisolation Configuration Provider . duration Days Ġ= Ġresponse . duration Days ĊĠĠĠĠĠĠĠ Ġ} ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġprivate Ġsuspend Ġfun Ġupdate R is ky Venue Configuration () Ġ{ ĊĠĠĠĠĠĠĠ Ġrun Catch ing Ġ{ ĊĠĠĠĠĠĠĠĠĠĠĠ Ġval Ġresponse Ġ= Ġris ky Venue Configuration Api . getR is ky Venue Configuration () ĊĠĠĠĠĠĠĠĠĠĠĠ Ġris ky Venue Configuration Provider . duration Days Ġ= Ġresponse . duration Days ĊĠĠĠĠĠĠĠ Ġ} ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġprivate Ġfun Ġclear Old Un ack nowled ged Test Results ( expiry Days : ĠInt ) Ġ{ ĊĠĠĠĠĠĠĠ Ġun ack nowled ged Test Results Provider . clear Before ( LocalDate . now ( clock ). minus Days ( expiry Days . to Long ())) ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġprivate Ġfun Ġclear Old Ep ide mio logy Events ( retention Period Days : ĠInt ) Ġ{ ĊĠĠĠĠĠĠĠ Ġif Ġ( Runtime Behavior . is Feature Enabled ( STORE _ EX POS URE _ WINDOWS )) Ġ{ ĊĠĠĠĠĠĠĠĠĠĠĠ Ġep ide mio logy Event Provider . clear On And Before ( LocalDate . now ( clock ). minus Days ( retention Period Days . to Long ())) ĊĠĠĠĠĠĠĠ Ġ} ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġprivate Ġfun Ġclear Legacy Data () Ġ{ ĊĠĠĠĠĠĠĠ Ġexposure Notification Tokens Provider . clear () ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġprivate Ġfun ĠLocalDate . is More Than Or Exactly Days Ago ( days : ĠInt ) Ġ= ĊĠĠĠĠĠĠĠ Ġuntil ( ĊĠĠĠĠĠĠĠĠĠĠĠ ĠLocalDate . now ( clock ), ĊĠĠĠĠĠĠĠĠĠĠĠ ĠCh rono Unit . DAYS ĊĠĠĠĠĠĠĠ Ġ) Ġ>= Ġdays Ċ } Ċ