CODEWITHSUNDEEP
javaandroidrx-javarx-kotlin
Belvi Nosakhare
Belvi Nosakhare

Reputation: 3255

execute and return value from observable on retry predicate

perform a task with an observable and emit value

private val performTask = io.reactivex.Observable.create<Boolean>({ emitter ->
// do somethinf
    emitter.onNext(true)
    emitter.onComplete()
})

// this is also another observable with retry. I want to retry 2 times, but only if perform task is successful. 

fun <T> io.reactivex.Observable<T>.retryAuth(): Observable<T> {
    return this.retry ({ count, error -> 
        if (count == 2 && error is ApolloException) {
            // do something with performTask and return the value

        } else false
    })

just need illustration on achieving this

Upvotes: 0

Views: 856

Answers (1)

akarnokd
akarnokd

Reputation: 69997

You could use retryWhen:

this.retryWhen({ errors ->
   val counter = AtomicInteger()
   .flatMap({ error ->
       if (counter.incrementAndGet() <= 2 && error is ApolloException) {
           return performTask
              .flatMap({ result ->
                   if (result) {
                       return Observable.just(true)
                   }
                   return Observable.error(error)
              })
       }
       return Observable.error(error)
   })  
})

Upvotes: 1

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