package scouter.client.model; import java.util.HashSet; import java.util.Set; public class DetachedManager { private static DetachedManager instance; Set<String> detachedSet = new HashSet<String>(); public synchronized static DetachedManager getInstance() { if (instance == null) { instance = new DetachedManager(); } return instance; } public boolean isInitialView(String id, String secId) { return detachedSet.contains(id + secId) == false; } public void registerOpend(String id, String secId) { detachedSet.add(id + secId); } }