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.paxos;
  
  import javax.annotation.Nullable;
  
  public interface HistoryValidator
  {
      Checker witness(Object witnessedBy, int start, int end);
  
      void print(@Nullable Integer pk);
  
      interface Checker extends AutoCloseable
      {
          void read(int pk, int id, int count, int[] seq);
          void write(int pk, int id, boolean success);
  
          default void writeSuccess(int pk, int id)
          {
              write(pk, id, true);
          }
  
          default void writeUnknownFailure(int pk, int id)
          {
              write(pk, id, false);
          }
  
          @Override
          default void close() {}
      }
  
      interface Factory
      {
          HistoryValidator create(int[] partitions);
      }
  }
  