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.Getter;
  import lombok.Setter;
  import org.apache.skywalking.oap.server.core.analysis.Layer;
  import org.apache.skywalking.oap.server.library.util.StringUtil;
  import org.apache.skywalking.oap.server.core.analysis.IDManager;
  
  import static org.apache.skywalking.oap.server.core.source.DefaultScopeDefine.SERVICE_INSTANCE_RELATION;
  import static org.apache.skywalking.oap.server.core.source.DefaultScopeDefine.SERVICE_INSTANCE_RELATION_CATALOG_NAME;
  
  @ScopeDeclaration(id = SERVICE_INSTANCE_RELATION, name = "ServiceInstanceRelation", catalog = SERVICE_INSTANCE_RELATION_CATALOG_NAME)
  @ScopeDefaultColumn.VirtualColumnDefinition(fieldName = "entityId", columnName = "entity_id", isID = true, type = String.class)
  public class ServiceInstanceRelation extends Source {
      private String entityId;
  
      @Override
      public int scope() {
          return DefaultScopeDefine.SERVICE_INSTANCE_RELATION;
      }
  
      @Override
      public String getEntityId() {
          if (StringUtil.isEmpty(entityId)) {
              entityId = IDManager.ServiceInstanceID.buildRelationId(
                  new IDManager.ServiceInstanceID.ServiceInstanceRelationDefine(
                      sourceServiceInstanceId,
                      destServiceInstanceId
                  )
              );
          }
          return entityId;
      }
  
      @Getter
      private String sourceServiceInstanceId;
      @Getter
      private String sourceServiceId;
      @Getter
      @Setter
      @ScopeDefaultColumn.DefinedByField(columnName = "source_service_name", requireDynamicActive = true)
      private String sourceServiceName;
      @Getter
      @Setter
      private Layer sourceServiceLayer;
      @Getter
      @Setter
      @ScopeDefaultColumn.DefinedByField(columnName = "source_service_instance_name", requireDynamicActive = true)
      private String sourceServiceInstanceName;
      @Getter
      private String destServiceInstanceId;
      @Getter
      private String destServiceId;
      @Getter
      @Setter
      private Layer destServiceLayer;
      @Getter
      @Setter
      @ScopeDefaultColumn.DefinedByField(columnName = "dest_service_name", requireDynamicActive = true)
      private String destServiceName;
      @Getter
      @Setter
      @ScopeDefaultColumn.DefinedByField(columnName = "dest_service_instance_name", requireDynamicActive = true)
      private String destServiceInstanceName;
      @Getter
      @Setter
      private String endpoint;
      @Getter
      @Setter
      private int componentId;
      @Getter
      @Setter
      private int latency;
      @Getter
      @Setter
      private boolean status;
      @Getter
      @Setter
      @Deprecated
      private int responseCode;
      @Getter
      @Setter
      private int httpResponseStatusCode;
      @Getter
      @Setter
      private String rpcStatusCode;
      @Getter
      @Setter
      private RequestType type;
      @Getter
      @Setter
      private DetectPoint detectPoint;
      @Getter
      @Setter
      private String tlsMode;
      @Getter
      @Setter
      private SideCar sideCar = new SideCar();
  
      @Override
      public void prepare() {
          sourceServiceId = IDManager.ServiceID.buildId(sourceServiceName, sourceServiceLayer.isNormal());
          destServiceId = IDManager.ServiceID.buildId(destServiceName, destServiceLayer.isNormal());
          sourceServiceInstanceId = IDManager.ServiceInstanceID.buildId(sourceServiceId, sourceServiceInstanceName);
          destServiceInstanceId = IDManager.ServiceInstanceID.buildId(destServiceId, destServiceInstanceName);
      }
  }
  