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.DirectBuffer;
  
  /**
   * Function for handling a block of message fragments scanned from the log.
   */
  @FunctionalInterface
  public interface BlockHandler
  {
      /**
       * Callback for handling a block of messages being read from a log.
       *
       * @param buffer    containing the block of message fragments.
       * @param offset    at which the 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 containing this block of message fragments.
       * @param termId    of the stream containing this block of message fragments.
       */
      void onBlock(DirectBuffer buffer, int offset, int length, int sessionId, int termId);
  }
  