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

Interface RecordDataSerializer

All Known Implementing Classes:

RecordDataV1Serializer, RecordDataV2Serializer

public interface RecordDataSerializer

Interface to provide size, read and write operations with WAL records without any headers and meta information.

Method Summary

Modifier and Type	Method and Description
WALRecord	readRecord(WALRecord.RecordType type, ByteBufferBackedDataInput in, int size) Reads record data of type from buffer in.
int	size(WALRecord record) Calculates size of record data.
void	writeRecord(WALRecord record, ByteBuffer buf) Writes record data to buffer buf.

Method Detail

size

int size(WALRecord record)
  throws IgniteCheckedException

Calculates size of record data.

Parameters:

record - WAL record.

Returns:

Size of record in bytes.

Throws:

IgniteCheckedException - If it's unable to calculate record data size.

readRecord

WALRecord readRecord(WALRecord.RecordType type,
                     ByteBufferBackedDataInput in,
                     int size)
              throws IOException,
                     IgniteCheckedException

Reads record data of type from buffer in.

Parameters:

type - Record type.

in - Buffer to read.

size - Record size (0 if unknown).

Returns:

WAL record.

Throws:

IOException - In case of I/O problems.

IgniteCheckedException - If it's unable to read record.

writeRecord

void writeRecord(WALRecord record,
                 ByteBuffer buf)
          throws IgniteCheckedException

Writes record data to buffer buf.

Parameters:

record - WAL record.

buf - Buffer to write.

Throws:

IgniteCheckedException - If it's unable to write record.