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.kafka.raft;
  
  import org.apache.kafka.raft.generated.QuorumStateData;
  import org.apache.kafka.server.common.KRaftVersion;
  
  import java.nio.file.FileSystems;
  import java.nio.file.Path;
  import java.util.Optional;
  
  public class MockQuorumStateStore implements QuorumStateStore {
      private Optional<QuorumStateData> current = Optional.empty();
  
      @Override
      public Optional<ElectionState> readElectionState() {
          return current.map(ElectionState::fromQuorumStateData);
      }
  
      @Override
      public void writeElectionState(ElectionState update, KRaftVersion kraftVersion) {
          current = Optional.of(
              update.toQuorumStateData(kraftVersion.quorumStateVersion())
          );
      }
  
      @Override
      public Path path() {
          return FileSystems.getDefault().getPath("mock-file");
      }
  
      @Override
      public void clear() {
          current = Optional.empty();
      }
  }
  