FortuneQueue.java

public class FortuneQueue implements Api {
    private int entryNo;
    private Date entryTime;
    private int luckyScale;

    public static Observable<Api> mockApi() {
        FortuneQueue queue = new FortuneQueue();
        queue.setEntryNo(25);
        queue.setEntryTime(new Date(System.currentTimeMillis()));
        queue.setLuckyScale(5);

        return Observable.just(queue);
    }

    @Override
    public String getApiName() {
        return getClass().getSimpleName();
    }
}