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.analysis.manual.process;
  
  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.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;
  
  import static org.apache.skywalking.oap.server.core.source.DefaultScopeDefine.SERVICE_LABEL;
  
  /**
   * Process have multiple labels, such as tag.
   * {@link ServiceLabelRecord} could combine them in the service level.
   * It could help to quickly locate the similar process by the service and label.
   */
  @Setter
  @Getter
  @Stream(name = ServiceLabelRecord.INDEX_NAME, scopeId = SERVICE_LABEL,
          builder = ServiceLabelRecord.Builder.class, processor = MetricsStreamProcessor.class)
  @MetricsExtension(supportDownSampling = false, supportUpdate = false, timeRelativeID = false)
  @EqualsAndHashCode(of = {
          "serviceId",
          "label"
  })
  public class ServiceLabelRecord extends Metrics {
  
      public static final String INDEX_NAME = "service_label";
      public static final String SERVICE_ID = "service_id";
      public static final String LABEL = "label";
  
      @BanyanDB.SeriesID(index = 0)
      @Column(name = SERVICE_ID)
      private String serviceId;
      @BanyanDB.SeriesID(index = 1)
      @Column(name = LABEL, length = 50)
      private String label;
  
      @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
      protected StorageID id0() {
          return new StorageID()
              .append(SERVICE_ID, serviceId)
              .append(LABEL, label);
      }
  
      @Override
      public void deserialize(RemoteData remoteData) {
          setServiceId(remoteData.getDataStrings(0));
          setLabel(remoteData.getDataStrings(1));
          setTimeBucket(remoteData.getDataLongs(0));
      }
  
      @Override
      public RemoteData.Builder serialize() {
          final RemoteData.Builder builder = RemoteData.newBuilder();
          builder.addDataStrings(serviceId);
          builder.addDataStrings(label);
          builder.addDataLongs(getTimeBucket());
          return builder;
      }
  
      @Override
      public int remoteHashCode() {
          return this.hashCode();
      }
  
      public static class Builder implements StorageBuilder<ServiceLabelRecord> {
  
          @Override
          public ServiceLabelRecord storage2Entity(Convert2Entity converter) {
              final ServiceLabelRecord record = new ServiceLabelRecord();
              record.setServiceId((String) converter.get(SERVICE_ID));
              record.setLabel((String) converter.get(LABEL));
              record.setTimeBucket(((Number) converter.get(TIME_BUCKET)).longValue());
              return record;
          }
  
          @Override
          public void entity2Storage(ServiceLabelRecord entity, Convert2Storage converter) {
              converter.accept(SERVICE_ID, entity.getServiceId());
              converter.accept(LABEL, entity.getLabel());
              converter.accept(TIME_BUCKET, entity.getTimeBucket());
          }
      }
  }
  