| /*
|
| * Copyright 1999-2011 Alibaba Group.
|
| *
|
| * Licensed 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.
|
| */
|
| package com.alibaba.dubbo.common.utils; |
| |
| /** |
| * Pool. |
| * |
| * @author qian.lei |
| */ |
| |
| public interface Pool<T> |
| { |
| /** |
| * clear. |
| */ |
| void clear() throws Exception; |
| |
| /** |
| * close pool. |
| * |
| * @throws Exception. |
| */ |
| void close() throws Exception; |
| |
| /** |
| * borrow. |
| * |
| * @return object. |
| */ |
| T borrowObject() throws Exception; |
| |
| /** |
| * borrow. |
| * |
| * @param timeout timeout. |
| * @return object. |
| */ |
| T borrowObject(long timeout) throws Exception; |
| |
| /** |
| * return object. |
| * |
| * @param obj object. |
| */ |
| void returnObject(T obj) throws Exception; |
| |
| /** |
| * get factory. |
| * |
| * @return Factory instance. |
| */ |
| Factory<T> getFactory(); |
| |
| /** |
| * get idle number. |
| * |
| * @return idle number. |
| */ |
| int getIdleNum(); |
| |
| /** |
| * get active number. |
| * |
| * @return active number. |
| */ |
| int getActiveNum(); |
| |
| /** |
| * pool factory. |
| */ |
| public interface Factory<T> |
| { |
| /** |
| * make object. |
| * |
| * @return object. |
| * @throws Exception. |
| */ |
| T makeObject() throws Exception; |
| |
| /** |
| * destroy object. |
| * |
| * @param obj object. |
| * @throws Exception. |
| */ |
| void destroyObject(T obj) throws Exception; |
| |
| /** |
| * activate object. |
| * |
| * @param obj object. |
| */ |
| void activateObject(T obj); |
| |
| /** |
| * passivate object. |
| * |
| * @param obj object. |
| */ |
| void passivateObject(T obj); |
| |
| // /** |
| // * validate object. |
| // * |
| // * @param obj object. |
| // * @return valid or not. |
| // */ |
| // boolean validateObject(T obj); |
| } |
| } |