| <?php |
| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| namespace com\fenqile\fsof\provider\core\app; |
| |
| |
| final class AppContext |
| { |
| private $instances = array(); |
| |
| private $stateless = FALSE;//默认所有服务都是有状态的,每次使用都重新new |
| |
| private $server; |
| |
| public function setStateless($stateless, $server) |
| { |
| $this->stateless = $stateless; |
| $this->server = $server; |
| } |
| |
| public function isStateless() |
| { |
| return $this->stateless; |
| } |
| |
| public function getInstance($className, $params = null) |
| { |
| if($this->stateless) |
| { |
| \Logger::getLogger(__CLASS__)->debug("get stateless instance for $className"); |
| if (isset($this->instances[$className])) |
| { |
| return $this->instances[$className]; |
| } |
| |
| if (!class_exists($className,true)) |
| { |
| throw new \Exception("no class {$className}"); |
| } |
| |
| if (empty($params)) |
| { |
| $this->instances[$className] = new $className(); |
| } |
| else |
| { |
| $this->instances[$className] = new $className($params); |
| } |
| |
| return $this->instances[$className]; |
| } |
| else |
| { |
| \Logger::getLogger(__CLASS__)->debug("get new instance for $className"); |
| if (!class_exists($className,true)) |
| { |
| throw new \Exception("no class {$className}"); |
| } |
| |
| if (empty($params)) |
| { |
| return new $className(); |
| } |
| else |
| { |
| return new $className($params); |
| } |
| } |
| } |
| } |