| /*
|
| * 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.rpc; |
| |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentMap; |
| |
| import com.alibaba.dubbo.common.URL; |
| import com.alibaba.dubbo.common.utils.StringUtils; |
| |
| /** |
| * 系统存储,内部类. |
| */ |
| public class StaticContext extends ConcurrentHashMap<Object, Object>{ |
| private static final long serialVersionUID = 1L; |
| private static final String SYSTEMNAME = "system"; |
| private String name ; |
| |
| private static final ConcurrentMap<String, StaticContext> context_map = new ConcurrentHashMap<String, StaticContext>() ; |
| |
| private StaticContext(String name) { |
| super(); |
| this.name = name; |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public static StaticContext getSystemContext() { |
| return getContext(SYSTEMNAME); |
| } |
| |
| public static StaticContext getContext(String name) { |
| StaticContext appContext = context_map.get(name); |
| if (appContext == null){ |
| appContext = context_map.putIfAbsent(name, new StaticContext(name)); |
| if (appContext == null){ |
| appContext = context_map.get(name); |
| } |
| } |
| return appContext; |
| } |
| public static StaticContext remove(String name){ |
| return context_map.remove(name); |
| } |
| |
| public static String getKey(URL url, String methodName, String suffix) { |
| return getKey(url.getServiceKey(), methodName, suffix); |
| } |
| public static String getKey(Map<String, String> paras, String methodName, String suffix) { |
| return getKey(StringUtils.getServiceKey(paras), methodName, suffix); |
| } |
| private static String getKey(String servicekey, String methodName, String suffix) { |
| StringBuffer sb = new StringBuffer().append(servicekey).append(".").append(methodName).append(".").append(suffix); |
| return sb.toString(); |
| } |
| } |