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.bifromq.basekv.localengine.memory;
  
  import org.apache.bifromq.basekv.localengine.IWALableKVSpace;
  import org.apache.bifromq.basekv.localengine.metrics.KVSpaceOpMeters;
  import java.util.concurrent.CompletableFuture;
  import org.slf4j.Logger;
  
  public class InMemWALableKVSpace extends InMemKVSpace<InMemWALableKVEngine, InMemWALableKVSpace>
      implements IWALableKVSpace {
      protected InMemWALableKVSpace(String id,
                                    InMemKVEngineConfigurator configurator,
                                    InMemWALableKVEngine engine,
                                    Runnable onDestroy,
                                    KVSpaceOpMeters opMeters,
                                    Logger logger) {
          super(id, configurator, engine, onDestroy, opMeters, logger);
      }
  
      @Override
      public CompletableFuture<Long> flush() {
          return CompletableFuture.completedFuture(System.nanoTime());
      }
  }
  