org.apache.ignite.internal.processors.cache.persistence.wal.serializer

Interface RecordSerializer

All Known Implementing Classes:

RecordV1Serializer, RecordV2Serializer

public interface RecordSerializer

Record serializer.

Method Summary

Modifier and Type	Method and Description
WALRecord	readRecord(FileInput in, WALPointer expPtr) Loads record from input
int	size(WALRecord record) Calculates record size in byte including expected wal pointer, CRC and type field
int	version()
boolean	writePointer() Flag to write (or not) wal pointer to record
void	writeRecord(WALRecord record, ByteBuffer buf)

Method Detail

version

int version()

Returns:

serializer version

size

int size(WALRecord record)
  throws IgniteCheckedException

Calculates record size in byte including expected wal pointer, CRC and type field

Parameters:

record - Record.

Returns:

Size in bytes.

Throws:

IgniteCheckedException

writeRecord

void writeRecord(WALRecord record,
                 ByteBuffer buf)
          throws IgniteCheckedException

Parameters:

record - Entry to write.

buf - Buffer.

Throws:

IgniteCheckedException

readRecord

WALRecord readRecord(FileInput in,
                     WALPointer expPtr)
              throws IOException,
                     IgniteCheckedException

Loads record from input

Parameters:

in - Data input to read data from.

expPtr - expected WAL pointer for record. Used to validate actual position against expected from the file

Returns:

Read entry.

Throws:

IOException

IgniteCheckedException

writePointer

boolean writePointer()

Flag to write (or not) wal pointer to record