content: /*
   * Copyright 2019-2023 Adaptive Financial Consulting Ltd.
   *
   * 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
   *
   * https://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 com.aeroncookbook.cluster.rsm.node;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class ReplicatedStateMachine
  {
      private final Logger logger = LoggerFactory.getLogger(ReplicatedStateMachine.class);
      private int currentValue;
  
      public void add(final long correlation, final int addValue)
      {
          currentValue += addValue;
          logger.info("adding {}, value is now {}; correlation = {}", addValue, currentValue, correlation);
      }
  
      public void multiply(final long correlation, final int multiplyValue)
  
      {
          currentValue *= multiplyValue;
          logger.info("multiplying by {}, value is now {}; correlation = {}", multiplyValue, currentValue, correlation);
      }
  
      public void setCurrentValue(final long correlation, final int newValue)
      {
          currentValue = newValue;
          logger.info("setting value to {}; correlation = {}", newValue, correlation);
      }
  
      public void loadFromSnapshot(final int currentValue)
      {
          logger.info("reading snapshot with current value at {}", currentValue);
      }
  
      public int getCurrentValue()
      {
          return currentValue;
      }
  }
  