| | |
| | | |
| | | public class OnLinePool { |
| | | |
| | | protected static HashMap<String, List<OnLine>> pool = new HashMap<String, List<OnLine>>() ; |
| | | protected static HashMap<String, List<OnLine>> pool = new HashMap<>() ; |
| | | |
| | | /** |
| | | * 生成对象 |
| | |
| | | */ |
| | | public static synchronized OnLine getInstance(Class<?> clazz)throws Exception { |
| | | if(pool == null){ |
| | | pool = new HashMap<String, List<OnLine>>() ; |
| | | pool = new HashMap<>() ; |
| | | } |
| | | String className = clazz.getName() ; |
| | | OnLine obj = null ; |
| | | |
| | | List<OnLine> list = pool.get(className) ; |
| | | if(list == null){ |
| | | list = new ArrayList<OnLine>() ; |
| | | list = new ArrayList<>() ; |
| | | }else{ |
| | | obj = list.get(0) ; |
| | | } |
| | |
| | | return obj ; |
| | | }else{ |
| | | try { |
| | | obj = (OnLine)clazz.newInstance(); |
| | | obj = (OnLine)clazz.getDeclaredConstructor().newInstance() ; |
| | | //obj = (OnLine)clazz.newInstance(); |
| | | } catch (Exception e) { |
| | | throw new Exception( "由" + className + "生成实例失败!"); |
| | | } |