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.segment;
  
  import me.ahoo.cosid.segment.grouped.GroupedKey;
  
  import java.util.concurrent.TimeUnit;
  
  /**
   * Merged IdSegment.
   *
   * @author ahoo wang
   */
  public class MergedIdSegment implements IdSegment {
      
      private final int segments;
      private final IdSegment idSegment;
      private final long singleStep;
      
      public MergedIdSegment(int segments, IdSegment idSegment) {
          this.segments = segments;
          this.idSegment = idSegment;
          this.singleStep = idSegment.getStep() / segments;
      }
      
      @Override
      public GroupedKey group() {
          return idSegment.group();
      }
      
      public int getSegments() {
          return segments;
      }
      
      public long getSingleStep() {
          return singleStep;
      }
      
      /**
       * ID segment fetch time.
       * unit {@link TimeUnit#MILLISECONDS}
       *
       * @return Fetch Time
       */
      @Override
      public long getFetchTime() {
          return idSegment.getFetchTime();
      }
      
      @Override
      public long getMaxId() {
          return idSegment.getMaxId();
      }
      
      @Override
      public long getOffset() {
          return idSegment.getOffset();
      }
      
      @Override
      public long getSequence() {
          return idSegment.getSequence();
      }
      
      @Override
      public long getStep() {
          return idSegment.getStep();
      }
      
      @Override
      public long getTtl() {
          return idSegment.getTtl();
      }
      
      @Override
      public long incrementAndGet() {
          return idSegment.incrementAndGet();
      }
      
      @Override
      public String toString() {
          return "MergedIdSegment{"
              + "segments=" + segments
              + ", idSegment=" + idSegment
              + ", singleStep=" + singleStep
              + '}';
      }
  }
  