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.query.type.event;
  
  import com.google.gson.Gson;
  import com.google.gson.JsonSyntaxException;
  import com.google.gson.reflect.TypeToken;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Map;
  import java.util.stream.Collectors;
  import lombok.Data;
  import org.apache.skywalking.oap.server.core.query.type.KeyValue;
  import org.apache.skywalking.oap.server.library.util.StringUtil;
  
  @Data
  public class Event {
      private static final Gson GSON = new Gson();
  
      private String uuid;
  
      private Source source;
  
      private String name;
  
      private EventType type;
  
      private String message;
  
      private List<KeyValue> parameters;
  
      private long startTime;
  
      private long endTime;
  
      private String layer;
  
      public void setParameters(final List<KeyValue> parameters) {
          this.parameters = parameters;
      }
  
      public void setParameters(final String json) {
          if (StringUtil.isNotEmpty(json)) {
              try {
                  final Map<String, String> map = GSON.fromJson(json, new TypeToken<Map<String, String>>() {
                  }.getType());
                  this.parameters = map.entrySet()
                                       .stream()
                                       .map(e -> new KeyValue(e.getKey(), e.getValue()))
                                       .collect(Collectors.toList());
              } catch (JsonSyntaxException e) {
                  this.parameters = new ArrayList<>(2);
                  this.parameters.add(new KeyValue("json_parse", "false"));
                  this.parameters.add(new KeyValue("raw_parameters", json));
              }
          }
      }
  }
  