content: package com.datastax.oss.driver.internal.core.metadata.token;
  /*
   * 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.
   */
  import java.util.Objects;
  
  // This class is a subset of server version at org.apache.cassandra.locator.ReplicationFactor
  public class ReplicationFactor {
    private final int allReplicas;
    private final int fullReplicas;
    private final int transientReplicas;
  
    public ReplicationFactor(int allReplicas, int transientReplicas) {
      this.allReplicas = allReplicas;
      this.transientReplicas = transientReplicas;
      this.fullReplicas = allReplicas - transientReplicas;
    }
  
    public ReplicationFactor(int allReplicas) {
      this(allReplicas, 0);
    }
  
    public int fullReplicas() {
      return fullReplicas;
    }
  
    public int transientReplicas() {
      return transientReplicas;
    }
  
    public boolean hasTransientReplicas() {
      return allReplicas != fullReplicas;
    }
  
    public static ReplicationFactor fromString(String s) {
      if (s.contains("/")) {
  
        int slash = s.indexOf('/');
        String allPart = s.substring(0, slash);
        String transientPart = s.substring(slash + 1);
        return new ReplicationFactor(Integer.parseInt(allPart), Integer.parseInt(transientPart));
      } else {
        return new ReplicationFactor(Integer.parseInt(s), 0);
      }
    }
  
    @Override
    public String toString() {
      return allReplicas + (hasTransientReplicas() ? "/" + transientReplicas() : "");
    }
  
    @Override
    public boolean equals(Object o) {
      if (this == o) {
        return true;
      }
      if (!(o instanceof ReplicationFactor)) {
        return false;
      }
      ReplicationFactor that = (ReplicationFactor) o;
      return allReplicas == that.allReplicas && fullReplicas == that.fullReplicas;
    }
  
    @Override
    public int hashCode() {
      return Objects.hash(allReplicas, fullReplicas);
    }
  }
  