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.bookie;
  
  import java.io.Closeable;
  import java.io.File;
  import java.io.IOException;
  import org.apache.bookkeeper.conf.ServerConfiguration;
  
  /**
   * An interface of the FileChannelProvider.
   */
  public interface FileChannelProvider extends Closeable {
      /**
       *
       * @param providerClassName Provided class name for file channel.
       * @return FileChannelProvider. A file channel provider loaded from providerClassName
       * @throws IOException Possible IOException.
       */
      static FileChannelProvider newProvider(String providerClassName) throws IOException {
          try {
              Class<?> providerClass = Class.forName(providerClassName);
              Object obj = providerClass.getConstructor().newInstance();
              return (FileChannelProvider) obj;
          } catch (Exception e) {
              throw new IOException(e);
          }
      }
  
      /**
       * Get the BookieFileChannel with the given file and configuration.
       *
       * @param file File path related to bookie.
       * @param configuration Server configuration.
       * @return BookieFileChannel related to file parameter.
       * @throws IOException Possible IOException.
       */
      BookieFileChannel open(File file, ServerConfiguration configuration) throws IOException;
  
      /**
       * Close bookieFileChannel.
       * @param bookieFileChannel The bookieFileChannel to be closed.
       * @throws IOException Possible IOException.
       */
      void close(BookieFileChannel bookieFileChannel) throws IOException;
  
      /**
       * Whether support reuse file. Default is false.
       *
       * @return
       */
      default boolean supportReuseFile() {
          return false;
      }
  
      /**
       * Notify the rename source file name to the target file name operation.
       * @param source
       * @param target
       */
      default void notifyRename(File source, File target) {
  
      }
  }
  