content: /*
   * Copyright [2021-present] [ahoo wang <ahoowang@qq.com> (https://github.com/Ahoo-Wang)].
   * Licensed 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 me.ahoo.cosid.sharding;
  
  import me.ahoo.cosid.converter.Radix62IdConverter;
  import me.ahoo.cosid.snowflake.SnowflakeIdStateParser;
  
  import com.google.common.base.Strings;
  import lombok.RequiredArgsConstructor;
  
  import java.time.LocalDateTime;
  
  @RequiredArgsConstructor
  public class SnowflakeLocalDateTimeConvertor implements LocalDateTimeConvertor {
      private final SnowflakeIdStateParser snowflakeIdStateParser;
      
      @Override
      public LocalDateTime toLocalDateTime(final Comparable<?> value) {
          return snowflakeIdStateParser.parseTimestamp(convertToSnowflakeId(value));
      }
      
      private Long convertToSnowflakeId(final Comparable<?> value) {
          if (value instanceof Long) {
              return (Long) value;
          }
          if (value instanceof String) {
              return Radix62IdConverter.PAD_START.asLong((String) value);
          }
          throw new IllegalArgumentException(Strings.lenientFormat("Unsupported sharding value type `%s`.", value));
      }
  }
  