示例#1
0
  public void testGet() {
    SimpleCache cache = new SimpleCache(10, 1000);
    cache.put(123, "First test");
    cache.put(234, "Second test");

    assertEquals("First test", cache.get(123));
    assertEquals(2, cache.size());
    try {
      Thread.sleep(1500);
      assertNull(cache.get(123));
      assertEquals(1, cache.size());
    } catch (InterruptedException e) {
      fail("Interrupted...");
    }

    cache = new SimpleCache(5, SimpleCache.CACHE_FOREVER);
    cache.put(123, "Val");
    cache.put(123, "Val");
    cache.put(234, "Val");
    cache.put(567, "Val");
    cache.put(891, "Val");
    cache.put(111, "Val");
    cache.put(112, "Val");
    cache.put(113, "Val");
    assertEquals(5, cache.size());
    assertNull(cache.get(123));
    assertNull(cache.get(234));
  }
示例#2
0
  public ItemLoadedFuture getPdu(
      Uri uri, boolean requestSlideshow, final ItemLoadedCallback<PduLoaded> callback) {
    if (uri == null) {
      throw new NullPointerException();
    }

    PduCacheEntry cacheEntry = null;
    synchronized (mPduCache) {
      if (!mPduCache.isUpdating(uri)) {
        cacheEntry = mPduCache.get(uri);
      }
    }
    final SlideshowModel slideshow =
        (requestSlideshow && !DEBUG_DISABLE_CACHE) ? mSlideshowCache.get(uri) : null;

    final boolean slideshowExists = !requestSlideshow || slideshow != null;
    final boolean pduExists = cacheEntry != null && cacheEntry.getPdu() != null;
    final boolean taskExists = mPendingTaskUris.contains(uri);
    final boolean newTaskRequired = (!pduExists || !slideshowExists) && !taskExists;
    final boolean callbackRequired = callback != null;

    if (pduExists && slideshowExists) {
      if (callbackRequired) {
        PduLoaded pduLoaded = new PduLoaded(cacheEntry.getPdu(), slideshow);
        callback.onItemLoaded(pduLoaded, null);
      }
      return new NullItemLoadedFuture();
    }

    if (callbackRequired) {
      addCallback(uri, callback);
    }

    if (newTaskRequired) {
      mPendingTaskUris.add(uri);
      Runnable task = new PduTask(uri, requestSlideshow);
      mExecutor.execute(task);
    }
    return new ItemLoadedFuture() {
      private boolean mIsDone;

      public void cancel(Uri uri) {
        cancelCallback(callback);
        removePdu(uri); // the pdu and/or slideshow might be half loaded. Make sure
        // we load fresh the next time this uri is requested.
      }

      public void setIsDone(boolean done) {
        mIsDone = done;
      }

      public boolean isDone() {
        return mIsDone;
      }
    };
  }