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.storage.query;
  
  import com.google.protobuf.InvalidProtocolBufferException;
  
  import java.io.IOException;
  import java.util.Base64;
  import java.util.List;
  
  import org.apache.skywalking.apm.network.logging.v3.LogTags;
  import org.apache.skywalking.oap.server.core.analysis.manual.searchtag.Tag;
  import org.apache.skywalking.oap.server.core.query.enumeration.Order;
  import org.apache.skywalking.oap.server.core.query.input.Duration;
  import org.apache.skywalking.oap.server.core.query.input.TraceScopeCondition;
  import org.apache.skywalking.oap.server.core.query.type.KeyValue;
  import org.apache.skywalking.oap.server.core.query.type.Logs;
  import org.apache.skywalking.oap.server.library.module.Service;
  
  public interface ILogQueryDAO extends Service {
  
      default boolean supportQueryLogsByKeywords() {
          return false;
      }
  
      Logs queryLogs(String serviceId,
                     String serviceInstanceId,
                     String endpointId,
                     TraceScopeCondition relatedTrace,
                     Order queryOrder,
                     int from,
                     int limit,
                     final Duration duration,
                     final List<Tag> tags,
                     final List<String> keywordsOfContent,
                     final List<String> excludingKeywordsOfContent) throws IOException;
  
      /**
       * Parse the raw tags with base64 representation of data binary
       */
      default void parserDataBinary(String dataBinaryBase64, List<KeyValue> tags) {
          parserDataBinary(Base64.getDecoder().decode(dataBinaryBase64), tags);
      }
  
      default void parserDataBinary(byte[] dataBinary, List<KeyValue> tags) {
          try {
              LogTags logTags = LogTags.parseFrom(dataBinary);
              logTags.getDataList().forEach(pair -> tags.add(new KeyValue(pair.getKey(), pair.getValue())));
          } catch (InvalidProtocolBufferException e) {
              throw new RuntimeException(e);
          }
      }
  }
  