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;
  
  import me.ahoo.cosid.converter.Radix62IdConverter;
  import me.ahoo.cosid.stat.Statistical;
  import me.ahoo.cosid.stat.generator.IdGeneratorStat;
  
  import com.google.errorprone.annotations.ThreadSafe;
  import jakarta.annotation.Nonnull;
  
  /**
   * Id Generator.
   *
   * @author ahoo wang
   */
  @ThreadSafe
  public interface IdGenerator extends StringIdGenerator, Statistical {
      
      /**
       * ID converter, used to convert {@code long} type ID to {@link String}.
       *
       * @return ID converter
       */
      @Nonnull
      default IdConverter idConverter() {
          return Radix62IdConverter.PAD_START;
      }
      
      /**
       * Generate distributed ID.
       *
       * @return generated distributed ID
       */
      long generate();
      
      @Nonnull
      @Override
      default String generateAsString() {
          return idConverter().asString(generate());
      }
      
      @Override
      default IdGeneratorStat stat() {
          return IdGeneratorStat.simple(getClass().getSimpleName(), idConverter().stat());
      }
  }
  