Package org.apache.ignite.internal.processors.cache.persistence.wal.scanner

Class PrintRawToFileHandler

java.lang.Object

org.apache.ignite.internal.processors.cache.persistence.wal.scanner.PrintRawToFileHandler

All Implemented Interfaces:

ScannerHandler

public class PrintRawToFileHandler
extends Object

Handler to print raw pages data into file for further diagnostic.

Constructor Summary

Constructors

Constructor	Description
PrintRawToFileHandler(File file, RecordSerializer serializer)

Method Summary

Modifier and Type	Method	Description
void	finish()	Method which called after all iteration would be finished.
protected byte[]	getBytes(IgniteBiTuple<WALPointer,WALRecord> record)
protected byte[]	getHeader()
void	handle(IgniteBiTuple<WALPointer,WALRecord> record)	Handling one more record during iteration over WAL.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.ignite.internal.processors.cache.persistence.wal.scanner.ScannerHandler

andThen

Constructor Detail

PrintRawToFileHandler

public PrintRawToFileHandler(File file,
                             RecordSerializer serializer)

Parameters:

file - Output file.

serializer - Serializer for WAL records.

Method Detail

getBytes

protected byte[] getBytes(IgniteBiTuple<WALPointer,WALRecord> record)

Parameters:

record - WAL record with its pointer.

Returns:

Bytes repersentation of data to be written in dump file.

getHeader

protected byte[] getHeader()

Returns:

Optional header for the diagnostic file. null if there should be no header.

handle

public final void handle(IgniteBiTuple<WALPointer,WALRecord> record)

Handling one more record during iteration over WAL.

Specified by:

handle in interface ScannerHandler

Parameters:

record - One more record from WAL.

finish

public void finish()

Method which called after all iteration would be finished.

Specified by:

finish in interface ScannerHandler