io.aeron.logbuffer

Interface RawBlockHandler

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface RawBlockHandler

Function for handling a raw block of fragments from the log that are contained in the underlying file. If the underlying buffer is to be modified in the callback handler then the file needs to be mapped as FileChannel.MapMode.READ_WRITE via Aeron.Context.imageMapMode(java.nio.channels.FileChannel.MapMode).

Method Summary

Modifier and Type	Method and Description
void	onBlock(java.nio.channels.FileChannel fileChannel, long fileOffset, org.agrona.concurrent.UnsafeBuffer termBuffer, int termOffset, int length, int sessionId, int termId) Notification of an available block of fragments.

Method Detail

onBlock

void onBlock(java.nio.channels.FileChannel fileChannel,
             long fileOffset,
             org.agrona.concurrent.UnsafeBuffer termBuffer,
             int termOffset,
             int length,
             int sessionId,
             int termId)

Notification of an available block of fragments.

Parameters:

fileChannel - containing the block of fragments.

fileOffset - at which the block begins, including any frame headers.

termBuffer - mapped over the block of fragments.

termOffset - in the termBuffer at which block begins, including any frame headers.

length - of the block in bytes, including any frame headers that is aligned up to FrameDescriptor.FRAME_ALIGNMENT.

sessionId - of the stream of fragments.

termId - of the stream of fragments.