public void waitOperation() { try { done.await(); if (done.getFirebaseDatabaseException() != null) { throw done.getFirebaseDatabaseException(); } } catch (InterruptedException e) { throw new UnexpectedException(e); } }
public DataSnapshot getDataSnapshot() { return done.getDataSnapshot(); }
@Override public void onCancelled(DatabaseError databaseError) { done.setFirebaseDatabaseException(new FirebaseDatabaseException(databaseError)); done.countDown(); }
@Override public void onDataChange(DataSnapshot snapshot) { done.setDataSnapshot(snapshot); done.countDown(); }