code: /*
   * Copyright © 2014-2017 EntIT Software LLC, a Micro Focus company (L.P.)
   *
   * 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 io.cloudslang.engine.versioning.services;
  
  /**
   * Created with IntelliJ IDEA.
   * User: wahnonm
   * Date: 11/3/13
   * Time: 9:23 AM
   */
  public interface VersionService {
  
      /**
       * The recovery key
       *
       */
      public static final String MSG_RECOVERY_VERSION_COUNTER_NAME = "MSG_RECOVERY_VERSION";
  
      /**
       * Given the counter name (key) returns the current version of it.
       * @param counterName : the counter name (key)
       * @return current count
       */
      public long getCurrentVersion(String counterName);
  
      /**
       * Increments the conuter relevent to the given counter name by 1.
       * @param counterName : the counter name (key) to increment.
       */
      public void incrementVersion(String counterName);
  }
  