content: /*
   * 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.cassandra.simulator.utils;
  
  import java.util.Optional;
  import java.util.concurrent.TimeUnit;
  
  import com.google.common.base.Preconditions;
  
  import org.apache.cassandra.simulator.RandomSource;
  
  public class IntRange
  {
      public final int min;
      public final int max;
  
      public IntRange(int min, int max)
      {
          this.min = min;
          this.max = max;
      }
  
      public IntRange(long min, long max)
      {
          Preconditions.checkArgument(min < Integer.MAX_VALUE);
          Preconditions.checkArgument(max <= Integer.MAX_VALUE);
          this.min = (int)min;
          this.max = (int)max;
      }
  
      public IntRange(long min, long max, TimeUnit from, TimeUnit to)
      {
          this(to.convert(min,from), to.convert(max, from));
      }
  
      public int select(RandomSource random)
      {
          if (min == max) return min;
          return random.uniform(min, 1 + max);
      }
  
      public int select(RandomSource random, int minlb, int maxub)
      {
          int min = Math.max(this.min, minlb);
          int max = Math.min(this.max, maxub);
          if (min >= max) return min;
          return random.uniform(min, 1 + max);
      }
  
      public static Optional<IntRange> parseRange(Optional<String> chance)
      {
          return chance.map(s -> new IntRange(Integer.parseInt(s.replaceFirst("\\.\\.+[0-9]+", "")),
                                           Integer.parseInt(s.replaceFirst("[0-9]+\\.\\.+", ""))));
      }
  }
  