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.receiver.envoy.als.tcp;
  
  import io.envoyproxy.envoy.data.accesslog.v3.HTTPAccessLogEntry;
  import io.envoyproxy.envoy.data.accesslog.v3.TCPAccessLogEntry;
  import lombok.extern.slf4j.Slf4j;
  import org.apache.skywalking.apm.network.servicemesh.v3.TCPServiceMeshMetric;
  import org.apache.skywalking.oap.server.receiver.envoy.als.ServiceMetaInfo;
  
  @Slf4j
  public abstract class AbstractTCPAccessLogAnalyzer implements TCPAccessLogAnalyzer {
  
      /**
       * Create an adapter to adapt the {@link HTTPAccessLogEntry log entry} into a {@link TCPServiceMeshMetric.Builder}.
       *
       * @param entry         the access log entry that is to be adapted from.
       * @param sourceService the source service.
       * @param targetService the target/destination service.
       * @return an adapter that adapts {@link HTTPAccessLogEntry log entry} into a {@link TCPServiceMeshMetric.Builder}.
       */
      protected TCPLogEntry2MetricsAdapter newAdapter(
          final TCPAccessLogEntry entry,
          final ServiceMetaInfo sourceService,
          final ServiceMetaInfo targetService) {
          return new TCPLogEntry2MetricsAdapter(entry, sourceService, targetService);
      }
  
  }
  