public void notifyWatches(Object oldval, Object newval) { IPersistentMap ws = watches; if (ws.count() > 0) { for (ISeq s = ws.seq(); s != null; s = s.next()) { Map.Entry e = (Map.Entry) s.first(); IFn fn = (IFn) e.getValue(); if (fn != null) fn.invoke(e.getKey(), this, oldval, newval); } } }
public static boolean mapEquals(IPersistentMap m1, Object obj) { if (m1 == obj) return true; if (!(obj instanceof Map)) return false; Map m = (Map) obj; if (m.size() != m1.count()) return false; for (ISeq s = m1.seq(); s != null; s = s.next()) { Map.Entry e = (Map.Entry) s.first(); boolean found = m.containsKey(e.getKey()); if (!found || !Util.equals(e.getValue(), m.get(e.getKey()))) return false; } return true; }
public static int mapHash(IPersistentMap m) { int hash = 0; for (ISeq s = m.seq(); s != null; s = s.next()) { Map.Entry e = (Map.Entry) s.first(); hash += (e.getKey() == null ? 0 : e.getKey().hashCode()) ^ (e.getValue() == null ? 0 : e.getValue().hashCode()); } return hash; }
public IPersistentCollection cons(Object o) { if (o instanceof Map.Entry) { Map.Entry e = (Map.Entry) o; return assoc(e.getKey(), e.getValue()); } else if (o instanceof IPersistentVector) { IPersistentVector v = (IPersistentVector) o; if (v.count() != 2) throw new IllegalArgumentException("Vector arg to map conj must be a pair"); return assoc(v.nth(0), v.nth(1)); } IPersistentMap ret = this; for (ISeq es = RT.seq(o); es != null; es = es.next()) { Map.Entry e = (Map.Entry) es.first(); ret = ret.assoc(e.getKey(), e.getValue()); } return ret; }
public synchronized IRef removeWatch(Object key) { watches = watches.without(key); return this; }
public synchronized IRef addWatch(Object key, IFn callback) { watches = watches.assoc(key, callback); return this; }