public T poll()

in src/java/org/apache/fulcrum/pool/PoolBuffer.java [79:126]
45 lines of code
10 McCabe index (conditional complexity)

	public <T> T poll(Object[] params, String[] signature, FactoryService factoryService) throws PoolException 
	{
		T instance = pool.poll();
		if (instance != null) 
		{
			if (arrayCtorRecyclable) 
			{
				((ArrayCtorRecyclable) instance).recycle(params);
			} else if (instance instanceof Recyclable) {
				try 
				{
					if (signature != null && signature.length > 0) 
					{
						/* Get the recycle method from the cache. */
						Method recycle = getRecycle(signature);
						if (recycle == null) 
						{
							synchronized (this) {
								/* Make a synchronized recheck. */
								recycle = getRecycle(signature);
								if (recycle == null) 
								{
									Class<? extends Object> clazz = instance.getClass();
									recycle = clazz.getMethod("recycle",
											factoryService.getSignature(clazz, params, signature));

									@SuppressWarnings("unchecked")
									ArrayList<Recycler> cache = recyclers != null
											? (ArrayList<Recycler>) recyclers.clone()
											: new ArrayList<Recycler>();
									cache.add(new Recycler(recycle, signature));
									recyclers = cache;
								}
							}
						}
						recycle.invoke(instance, params);
					} else {
						((Recyclable) instance).recycle();
					}
				} 
				catch (Exception x) 
				{
					throw new PoolException("Recycling failed for " + instance.getClass().getName(), x);
				}
			}
		}
		return instance;
	}