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.logbuffer;
  
  import org.agrona.concurrent.UnsafeBuffer;
  
  import java.nio.channels.FileChannel;
  
  /**
   * Function for handling a raw block of fragments from the log that are contained in the underlying file.
   */
  @FunctionalInterface
  public interface RawBlockHandler
  {
      /**
       * Notification of an available block of fragments.
       *
       * @param fileChannel containing the block of fragments.
       * @param fileOffset  at which the block begins, including any frame headers.
       * @param termBuffer  mapped over the block of fragments.
       * @param termOffset  in the termBuffer at which block begins, including any frame headers.
       * @param length      of the block in bytes, including any frame headers that is aligned up to
       *                    {@link io.aeron.logbuffer.FrameDescriptor#FRAME_ALIGNMENT}.
       * @param sessionId   of the stream of fragments.
       * @param termId      of the stream of fragments.
       */
      void onBlock(
          FileChannel fileChannel,
          long fileOffset,
          UnsafeBuffer termBuffer,
          int termOffset,
          int length,
          int sessionId,
          int termId);
  }
  