banq老师--jdon框架问题

public ModelHandler borrowHandlerObject(String formName) {
		ModelHandler modelHandler = null;
		try {
			modelHandler = makeHandlerObject(formName);
		} catch (Exception e) {
			Debug.logError("[JdonFramework]borrowHandlerObject error:" + e, module);
		}
		/**
		 * ModelHandler modelHandler = null; try { String poolKey =
		 * (modelHandlerClassBuilder.getModelMapping(formName)).getHandler();
		 * 
		 * LinkedList listFree = (LinkedList) handlerFreePool.get(poolKey); if
		 * ((listFree == null) || (listFree.isEmpty())) { // 如果空了，生产 listFree =
		 * makeHandlerObjects(formName); handlerFreePool.put(poolKey, listFree);
		 * } modelHandler = (ModelHandler) listFree.removeFirst();
		 * 
		 * // 加入已经用的池 LinkedList listUsed = (LinkedList)
		 * handlerUsedPool.get(poolKey); if (listUsed == null) { listUsed = new
		 * LinkedList(); handlerUsedPool.put(poolKey, listUsed); }
		 * listUsed.add(modelHandler);
		 * 
		 * Debug.logVerbose("[JdonFramework]--> borrow Modelhandler instance " +
		 * poolKey + listFree.size() + " for " + formName, module); } catch
		 * (Exception e) {
		 * Debug.logError("[JdonFramework]borrowHandlerObject error:" + e,
		 * module); }
		 **/
		return modelHandler;
	}

private synchronized ModelHandler makeHandlerObject(String formName) throws Exception {
		ModelHandler object = null;
		Class handlerClass = null;
		try {
			handlerClass = modelHandlerClassBuilder.getHandlerClasses(formName);
			if (handlerClass == null) {
				throw new Exception(" not found the handler in config xml formName=" + formName);
			}
			object = (ModelHandler) handlerClass.newInstance();
		} catch (Exception e) {
			Debug.logError("[JdonFramework]--> call Handler: " + handlerClass + " error:" + e, module);
			throw new Exception(e);
		}
		return object;
	}
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