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.analyzer.provider.meter.process;
  
  import org.apache.skywalking.oap.meter.analyzer.MetricConvert;
  import org.apache.skywalking.oap.server.analyzer.provider.meter.config.MeterConfig;
  import org.apache.skywalking.oap.server.core.CoreModule;
  import org.apache.skywalking.oap.server.core.analysis.meter.MeterSystem;
  import org.apache.skywalking.oap.server.library.module.ModuleManager;
  
  import java.util.List;
  import java.util.stream.Collectors;
  
  /**
   * Management all of the meter builders.
   */
  public class MeterProcessService implements IMeterProcessService {
  
      private final ModuleManager manager;
      private List<MetricConvert> metricConverts;
  
      public MeterProcessService(ModuleManager manager) {
          this.manager = manager;
      }
  
      public void start(List<MeterConfig> configs) {
          final MeterSystem meterSystem = manager.find(CoreModule.NAME).provider().getService(MeterSystem.class);
          this.metricConverts = configs.stream().map(c -> new MetricConvert(c, meterSystem)).collect(Collectors.toList());
      }
  
      /**
       * Generate a new processor when receive meter data.
       */
      @Override
      public MeterProcessor createProcessor() {
          return new MeterProcessor(this);
      }
  
      /**
       * Getting all converters.
       */
      public List<MetricConvert> converts() {
          return metricConverts;
      }
  
  }
  