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.core.exporter;
  
  import lombok.Getter;
  import org.apache.skywalking.oap.server.core.analysis.metrics.Metrics;
  
  /**
   * The event for exporter {@link MetricValuesExportService} implementation processes. {@link #metrics} should not be
   * changed in any case.
   */
  @Getter
  public class ExportEvent {
      /**
       * Fields of this should not be changed in any case.
       */
      private Metrics metrics;
      private EventType type;
  
      public ExportEvent(Metrics metrics, EventType type) {
          this.metrics = metrics;
          this.type = type;
      }
  
      public enum EventType {
          /**
           * The metrics aggregated in this bulk, not include the existing persistent data.
           */
          INCREMENT,
          /**
           * Final result of the metrics at this moment.
           */
          TOTAL
      }
  }
  