Method doWhile

src/main/java/rx/Statement.java:121–123

Return an Observable that replays the emissions from the source Observable, and then continues to replay them so long as a condtion is true. @param postCondition the post condi

(Observable<? extends T> source, Func0<Boolean> postCondition)

     *         condition is true
     */
    public static <T> Observable<T> doWhile(Observable<? extends T> source, Func0<Boolean> postCondition) {
        return Observable.create(new OperatorWhileDoWhile<T>(source, TRUE, postCondition));
    }

    /**
     * Return an Observable that replays the emissions from the source