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.zipkin;
  
  import lombok.EqualsAndHashCode;
  import lombok.Getter;
  import lombok.Setter;
  import org.apache.skywalking.oap.server.core.analysis.MetricsExtension;
  import org.apache.skywalking.oap.server.core.analysis.Stream;
  import org.apache.skywalking.oap.server.core.analysis.metrics.Metrics;
  import org.apache.skywalking.oap.server.core.analysis.worker.MetricsStreamProcessor;
  import org.apache.skywalking.oap.server.core.remote.grpc.proto.RemoteData;
  import org.apache.skywalking.oap.server.core.source.DefaultScopeDefine;
  import org.apache.skywalking.oap.server.core.storage.StorageID;
  import org.apache.skywalking.oap.server.core.storage.annotation.BanyanDB;
  import org.apache.skywalking.oap.server.core.storage.annotation.Column;
  import org.apache.skywalking.oap.server.core.storage.type.Convert2Entity;
  import org.apache.skywalking.oap.server.core.storage.type.Convert2Storage;
  import org.apache.skywalking.oap.server.core.storage.type.StorageBuilder;
  
  @Stream(name = ZipkinServiceRelationTraffic.INDEX_NAME, scopeId = DefaultScopeDefine.ZIPKIN_SERVICE_RELATION,
      builder = ZipkinServiceRelationTraffic.Builder.class, processor = MetricsStreamProcessor.class)
  @MetricsExtension(supportDownSampling = false, supportUpdate = false)
  @EqualsAndHashCode(of = {
      "serviceName",
      "remoteServiceName"
  })
  public class ZipkinServiceRelationTraffic extends Metrics {
  
      public static final String INDEX_NAME = "zipkin_service_relation_traffic";
      public static final String SERVICE_NAME = "service_name";
      public static final String REMOTE_SERVICE_NAME = "remote_service_name";
  
      @Setter
      @Getter
      @Column(name = SERVICE_NAME)
      @BanyanDB.SeriesID(index = 0)
      private String serviceName;
      @Setter
      @Getter
      @Column(name = REMOTE_SERVICE_NAME)
      @BanyanDB.SeriesID(index = 1)
      private String remoteServiceName;
  
      @Override
      protected StorageID id0() {
          return new StorageID()
              .append(SERVICE_NAME, serviceName)
              .append(REMOTE_SERVICE_NAME, remoteServiceName);
      }
  
      @Override
      public boolean combine(Metrics metrics) {
          return true;
      }
  
      @Override
      public void calculate() {
  
      }
  
      @Override
      public Metrics toHour() {
          return null;
      }
  
      @Override
      public Metrics toDay() {
          return null;
      }
  
      @Override
      public int remoteHashCode() {
          return this.hashCode();
      }
  
      @Override
      public void deserialize(RemoteData remoteData) {
          setServiceName(remoteData.getDataStrings(0));
          setRemoteServiceName(remoteData.getDataStrings(1));
          setTimeBucket(remoteData.getDataLongs(0));
      }
  
      @Override
      public RemoteData.Builder serialize() {
          RemoteData.Builder remoteBuilder = RemoteData.newBuilder();
          remoteBuilder.addDataStrings(getServiceName());
          remoteBuilder.addDataStrings(getRemoteServiceName());
  
          remoteBuilder.addDataLongs(getTimeBucket());
          return remoteBuilder;
      }
  
      public static class Builder implements StorageBuilder<ZipkinServiceRelationTraffic> {
          @Override
          public ZipkinServiceRelationTraffic storage2Entity(final Convert2Entity converter) {
              ZipkinServiceRelationTraffic metrics = new ZipkinServiceRelationTraffic();
              metrics.setServiceName((String) converter.get(SERVICE_NAME));
              metrics.setRemoteServiceName((String) converter.get(REMOTE_SERVICE_NAME));
              metrics.setTimeBucket(((Number) converter.get(TIME_BUCKET)).longValue());
              return metrics;
          }
  
          @Override
          public void entity2Storage(final ZipkinServiceRelationTraffic storageData,
                                     final Convert2Storage converter) {
              converter.accept(TIME_BUCKET, storageData.getTimeBucket());
              converter.accept(SERVICE_NAME, storageData.getServiceName());
              converter.accept(REMOTE_SERVICE_NAME, storageData.getRemoteServiceName());
          }
      }
  }
  