com.jianggujin.modulelink.impl.JModuleManagerImpl Maven / Gradle / Ivy

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/**
 * Copyright 2018 jianggujin (www.jianggujin.com).
 * 
 * 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.jianggujin.modulelink.impl;

import com.jianggujin.modulelink.JModule;
import com.jianggujin.modulelink.JModuleConfig;
import com.jianggujin.modulelink.JModuleManager;

/**
 * 模块管理器默认实现
 * 
 * @author jianggujin
 *
 */
public class JModuleManagerImpl extends JAbstractModuleManager {
   private static JModuleManager instance = null;

   @Override
   protected JModule load(JModuleConfig moduleConfig, ClassLoader moduleClassLoader) throws Exception {
      return new JModuleImpl(moduleConfig, moduleClassLoader);
   }

   /**
    * 获得管理器实例
    * 
    * @return
    */
   public static JModuleManager getInstance() {
      if (instance == null) {
         synchronized (JModuleManagerImpl.class) {
            if (instance == null) {
               instance = new JModuleManagerImpl();
            }
         }
      }
      return instance;
   }
}