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.bookkeeper.stream.storage.impl.store;
  
  import java.util.concurrent.CompletableFuture;
  import org.apache.bookkeeper.statelib.api.mvcc.MVCCAsyncStore;
  
  /**
   * The factory that creates store for each range to store its states.
   */
  public interface MVCCStoreFactory extends AutoCloseable {
      /**
       * Open the state store for storing range <tt>scId</tt>/<tt>streamId</tt>/<tt>rangeId</tt>.
       *
       * @param scId     storage container id
       * @param streamId stream id
       * @param rangeId  range id
       * @param ttlSeconds minimum milliseconds to keep records, 0 for "infinite"
       * @return a state store instance
       */
      CompletableFuture<MVCCAsyncStore<byte[], byte[]>> openStore(long scId, long streamId, long rangeId, int ttlSeconds);
  
      /**
       * Close the provided store and remove it from cache.
       *
       * @param scId storage container id
       * @return future to represent the close result.
       */
      CompletableFuture<Void> closeStores(long scId);
  
      @Override
      void close();
  }
  