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 static me.ahoo.cosid.cosid.Radix62CosIdGenerator.*;
  
  import me.ahoo.cosid.converter.Radix62IdConverter;
  import me.ahoo.cosid.cosid.ClockSyncCosIdGenerator;
  import me.ahoo.cosid.cosid.CosIdGenerator;
  import me.ahoo.cosid.cosid.Radix36CosIdGenerator;
  import me.ahoo.cosid.jvm.AtomicLongGenerator;
  import me.ahoo.cosid.cosid.Radix62CosIdGenerator;
  import me.ahoo.cosid.cosid.CosIdState;
  
  import org.openjdk.jmh.annotations.Benchmark;
  import org.openjdk.jmh.annotations.Scope;
  import org.openjdk.jmh.annotations.Setup;
  import org.openjdk.jmh.annotations.State;
  
  import java.util.UUID;
  
  /**
   * SegmentId Benchmark.
   *
   * @author ahoo wang
   */
  @State(Scope.Benchmark)
  public class CosIdGeneratorBenchmark {
      AtomicLongGenerator atomicLongGenerator;
      CosIdGenerator radix62CosIdGenerator;
      CosIdGenerator radix36CosIdGenerator;
      CosIdGenerator customizeRadix62CosIdGenerator;
      
      /**
       * Initialize IdGenerator.
       */
      @Setup
      public void setup() {
          atomicLongGenerator = new AtomicLongGenerator();
          radix62CosIdGenerator = new ClockSyncCosIdGenerator(new Radix62CosIdGenerator(1));
          radix36CosIdGenerator = new ClockSyncCosIdGenerator(new Radix36CosIdGenerator(1));
          final int customizeSequenceBit = 18;
          final int customizeSequenceResetThreshold = ~(-1 << (customizeSequenceBit - 1));
          customizeRadix62CosIdGenerator =
              new ClockSyncCosIdGenerator(new Radix62CosIdGenerator(DEFAULT_TIMESTAMP_BIT, DEFAULT_MACHINE_BIT, customizeSequenceBit, 1, customizeSequenceResetThreshold));
      }
      
      @Benchmark
      public UUID uuid_generate() {
          return UUID.randomUUID();
      }
      
      @Benchmark
      public long atomicLong_generate() {
          return atomicLongGenerator.generate();
      }
      
      @Benchmark
      public String atomicLong_generateAsString() {
          return Radix62IdConverter.PAD_START.asString(atomicLongGenerator.generate());
      }
      
      @Benchmark
      public String cosIdGenerator62_generateAsString() {
          return radix62CosIdGenerator.generateAsString();
      }
      
      @Benchmark
      public CosIdState cosIdGenerator62_generateAsState() {
          return radix62CosIdGenerator.generateAsState();
      }
      
      @Benchmark
      public String cosIdGenerator36_generateAsString() {
          return radix36CosIdGenerator.generateAsString();
      }
      
      @Benchmark
      public String cosIdGeneratorCustomize62_generateAsString() {
          return customizeRadix62CosIdGenerator.generateAsString();
      }
      
      @Benchmark
      public CosIdState cosIdGeneratorCustomize62_generateAsState() {
          return customizeRadix62CosIdGenerator.generateAsState();
      }
  }
  