Esempio n. 1
0
  @SuppressWarnings("unchecked")
  public void cleanup() {
    long now = System.currentTimeMillis();
    ArrayList<K> keysToDelete = null;

    synchronized (cacheMap) {
      MapIterator itr = cacheMap.mapIterator();

      keysToDelete = new ArrayList<K>((cacheMap.size() / 2) + 1);
      K key = null;
      CachedObject c = null;

      while (itr.hasNext()) {
        key = (K) itr.next();
        c = (CachedObject) itr.getValue();

        if (c != null && (now > ((1000L * timeToLiveInSeconds) + c.lastAccessed))) {
          keysToDelete.add(key);
        }
      }
    }

    for (K key : keysToDelete) {
      synchronized (cacheMap) {
        cacheMap.remove(key);
      }
      Thread.yield();
    }
  }
Esempio n. 2
0
 /** Write the map out using a custom routine. */
 private void writeObject(ObjectOutputStream out) throws IOException {
   out.defaultWriteObject();
   out.writeInt(size());
   for (MapIterator it = mapIterator(); it.hasNext(); ) {
     out.writeObject(it.next()); // key
     out.writeObject(it.getValue()); // value
   }
 }