public void cleanCleared() {
WKey wk;
while ((wk = (WKey) keyQ.poll()) != null) inner.remove(wk);
WVal wv;
while ((wv = (WVal) valQ.poll()) != null) inner.remove(wv.getWKey());
}
public boolean containsValue(Object val) {
for (Iterator ii = inner.values().iterator(); ii.hasNext(); ) {
WVal wval = (WVal) ii.next();
if (val.equals(wval.get())) return true;
}
return false;
}
public Object remove(Object key) {
try {
cleanCleared();
WVal wv = (WVal) inner.remove(holder.set(key));
return (wv == null ? null : wv.get());
} finally {
holder.clear();
}
}
public Object get(Object key) {
try {
cleanCleared();
WVal wval = (WVal) inner.get(holder.set(key));
return (wval == null ? null : wval.get());
} finally {
holder.clear();
}
}
private boolean retainValues(Collection c) {
boolean out = false;
for (Iterator ii = inner.values().iterator(); ii.hasNext(); ) {
WVal wv = (WVal) ii.next();
if (!c.contains(wv.get())) {
ii.remove();
out = true;
}
}
return out;
}
private boolean removeValue(Object val) {
boolean out = false;
for (Iterator ii = inner.values().iterator(); ii.hasNext(); ) {
WVal wv = (WVal) ii.next();
if (val.equals(wv.get())) {
ii.remove();
out = true;
}
}
return out;
}
public Object put(Object key, Object val) {
cleanCleared();
WVal wout = doPut(key, val);
if (wout != null) return wout.get();
else return null;
}
