content: /*
   * Copyright 2014-2025 Real Logic Limited.
   *
   * 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 io.aeron.cluster;
  
  import org.agrona.SemanticVersion;
  
  /**
   * Class to be used for determining AppVersion compatibility.
   * <p>
   * Default is to use {@link org.agrona.SemanticVersion} major version for checking compatibility.
   */
  public class AppVersionValidator
  {
      /**
       * Singleton instance of {@link AppVersionValidator} version which can be used to avoid allocation.
       */
      public static final AppVersionValidator SEMANTIC_VERSIONING_VALIDATOR = new AppVersionValidator();
  
      /**
       * Check version compatibility between configured context appVersion and appVersion in
       * new leadership term or snapshot.
       *
       * @param contextAppVersion   configured appVersion value from context.
       * @param appVersionUnderTest to check against configured appVersion.
       * @return true for compatible or false for not compatible.
       */
      public boolean isVersionCompatible(final int contextAppVersion, final int appVersionUnderTest)
      {
          return SemanticVersion.major(contextAppVersion) == SemanticVersion.major(appVersionUnderTest);
      }
  }
  