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.source;
  
  import lombok.RequiredArgsConstructor;
  import org.apache.skywalking.apm.network.language.agent.v3.SpanType;
  
  @RequiredArgsConstructor
  public enum DetectPoint {
      SERVER(0), CLIENT(1), PROXY(2), UNRECOGNIZED(3);
  
      private final int value;
  
      public static DetectPoint fromSpanType(SpanType spanType) {
          switch (spanType) {
              case Entry:
                  return DetectPoint.SERVER;
              case Exit:
                  return DetectPoint.CLIENT;
              case UNRECOGNIZED:
              case Local:
              default:
                  return DetectPoint.UNRECOGNIZED;
          }
      }
  
      public static DetectPoint valueOf(int value) {
          switch (value) {
              case 0:
                  return SERVER;
              case 1:
                  return CLIENT;
              case 2:
                  return PROXY;
              default:
                  return UNRECOGNIZED;
          }
      }
  
      public int value() {
          return this.value;
      }
  }
  