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 java.io.IOException;
  import java.util.Base64;
  import java.util.List;
  
  import com.google.common.base.Charsets;
  import com.google.gson.Gson;
  import com.google.gson.reflect.TypeToken;
  import org.apache.skywalking.oap.server.core.analysis.manual.searchtag.Tag;
  import org.apache.skywalking.oap.server.core.query.input.Duration;
  import org.apache.skywalking.oap.server.core.query.type.Alarms;
  import org.apache.skywalking.oap.server.core.query.type.KeyValue;
  import org.apache.skywalking.oap.server.core.storage.DAO;
  
  public interface IAlarmQueryDAO extends DAO {
  
      Gson GSON = new Gson();
  
      Alarms getAlarm(final Integer scopeId, final String keyword, final int limit, final int from,
                      final Duration duration, final List<Tag> tags) throws IOException;
  
      /**
       * Parser the raw tags.
       */
      default void parserDataBinaryBase64(String dataBinaryBase64, List<KeyValue> tags) {
          parserDataBinary(Base64.getDecoder().decode(dataBinaryBase64), tags);
      }
  
      /**
       * Parser the raw tags.
       */
      default void parserDataBinary(byte[] dataBinary, List<KeyValue> tags) {
          List<Tag> tagList = GSON.fromJson(new String(dataBinary, Charsets.UTF_8), new TypeToken<List<Tag>>() {
          }.getType());
          tagList.forEach(pair -> tags.add(new KeyValue(pair.getKey(), pair.getValue())));
      }
  }
  