code: /*
   * 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.
   *
   */
  
  package org.apache.skywalking.oap.server.receiver.telegraf.mock;
  
  import com.google.common.collect.Maps;
  import org.apache.skywalking.oap.server.library.module.ModuleManager;
  import org.apache.skywalking.oap.server.library.module.ModuleNotFoundRuntimeException;
  import org.apache.skywalking.oap.server.library.module.ModuleProviderHolder;
  
  import java.util.Map;
  
  public abstract class MockModuleManager extends ModuleManager {
      private final Map<String, ModuleProviderHolder> moduleProviderHolderMap = Maps.newHashMap();
  
      public MockModuleManager() {
          init();
      }
  
      protected abstract void init();
  
      protected void register(String name, ModuleProviderHolder provider) {
          moduleProviderHolderMap.put(name, provider);
      }
  
      @Override
      public boolean has(String moduleName) {
          return moduleProviderHolderMap.containsKey(moduleName);
      }
  
      @Override
      public ModuleProviderHolder find(String moduleName) throws ModuleNotFoundRuntimeException {
          if (!moduleProviderHolderMap.containsKey(moduleName)) {
              throw new ModuleNotFoundRuntimeException("ModuleProviderHolder[" + moduleName + "] cannot found in MOCK.");
          }
          return moduleProviderHolderMap.get(moduleName);
      }
  }
  