@Override public Object getObject(Object key) { acquireLock(key); Object value = delegate.getObject(key); if (value != null) { releaseLock(key); } return value; }
@Override public Object removeObject(Object key) { // despite of its name, this method is called only to release locks releaseLock(key); return null; }
private void acquireLock(Object key) { Lock lock = getLockForKey(key); if (timeout > 0) { try { boolean acquired = lock.tryLock(timeout, TimeUnit.MILLISECONDS); if (!acquired) { throw new CacheException("Couldn't get a lock in " + timeout + " for the key " + key + " at the cache " + delegate.getId()); } } catch (InterruptedException e) { throw new CacheException("Got interrupted while trying to acquire lock for key " + key, e); } } else { lock.lock(); } }
private Cache setStandardDecorators(Cache cache) { try { MetaObject metaCache = SystemMetaObject.forObject(cache); if (size != null && metaCache.hasSetter("size")) { metaCache.setValue("size", size); } if (clearInterval != null) { cache = new ScheduledCache(cache); ((ScheduledCache) cache).setClearInterval(clearInterval); } if (readWrite) { cache = new SerializedCache(cache); } cache = new LoggingCache(cache); cache = new SynchronizedCache(cache); if (blocking) { cache = new BlockingCache(cache); } return cache; } catch (Exception e) { throw new CacheException("Error building standard cache decorators. Cause: " + e, e); } }
@Override public Object removeObject(Object key) { // despite of its name, this method is called only to release locks releaseLock(key); return null; }
private void acquireLock(Object key) { Lock lock = getLockForKey(key); if (timeout > 0) { try { boolean acquired = lock.tryLock(timeout, TimeUnit.MILLISECONDS); if (!acquired) { throw new CacheException("Couldn't get a lock in " + timeout + " for the key " + key + " at the cache " + delegate.getId()); } } catch (InterruptedException e) { throw new CacheException("Got interrupted while trying to acquire lock for key " + key, e); } } else { lock.lock(); } }
private Cache setStandardDecorators(Cache cache) { try { MetaObject metaCache = SystemMetaObject.forObject(cache); if (size != null && metaCache.hasSetter("size")) { metaCache.setValue("size", size); } if (clearInterval != null) { cache = new ScheduledCache(cache); ((ScheduledCache) cache).setClearInterval(clearInterval); } if (readWrite) { cache = new SerializedCache(cache); } cache = new LoggingCache(cache); cache = new SynchronizedCache(cache); if (blocking) { cache = new BlockingCache(cache); } return cache; } catch (Exception e) { throw new CacheException("Error building standard cache decorators. Cause: " + e, e); } }
@Override public Object getObject(Object key) { acquireLock(key); Object value = delegate.getObject(key); if (value != null) { releaseLock(key); } return value; }
@Override public void putObject(Object key, Object value) { try { delegate.putObject(key, value); } finally { releaseLock(key); } }
@Override public void putObject(Object key, Object value) { try { delegate.putObject(key, value); } finally { releaseLock(key); } }