com.hazelcast.spi.hotrestart.impl.io

Class TombFileAccessor

java.lang.Object

com.hazelcast.spi.hotrestart.impl.io.TombFileAccessor

All Implemented Interfaces:

Closeable, AutoCloseable

public class TombFileAccessor
extends Object
implements Closeable

Read-only accessor of data inside a tombstone chunk file. Uses a MappedByteBuffer.

Constructor Summary

Constructors

Constructor and Description
TombFileAccessor(File tombFile)

Method Summary

Modifier and Type	Method and Description
void	close() Disposes the underlying MappedByteBuffer.
long	keyPrefix()
int	loadAndCopyTombstone(int pos, ChunkFileOut out) Loads the header data of the tombstone at pos into the cursor object and copies the tombstone into the supplied ChunkFileOut.
long	recordSeq()
int	recordSize()

Methods inherited from class java.lang.Object

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

Constructor Detail

TombFileAccessor

public TombFileAccessor(File tombFile)

Method Detail

loadAndCopyTombstone

public int loadAndCopyTombstone(int pos,
                                ChunkFileOut out)
                         throws IOException

Loads the header data of the tombstone at pos into the cursor object and copies the tombstone into the supplied ChunkFileOut.

Parameters:

pos - position (file offset) of the tombstone to load and copy

out - destination for the tombstone data

Returns:

the size of the tombstone record

Throws:

IOException - if an IO operation fails

recordSeq

public final long recordSeq()

Returns:

record seq of the most recently loaded tombstone

keyPrefix

public final long keyPrefix()

Returns:

key prefix of the most recently loaded tombstone

recordSize

public final int recordSize()

Returns:

size of the most recently loaded tombstone

close

public final void close()

Disposes the underlying MappedByteBuffer.

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable