org.apache.ignite.internal.processors.cache.persistence.freelist

Class SimpleDataRow

java.lang.Object

org.apache.ignite.internal.processors.cache.persistence.freelist.SimpleDataRow

All Implemented Interfaces:

Storable

Direct Known Subclasses:

MetastorageRowStoreEntry

public class SimpleDataRow
extends Object
implements Storable

Implementation of Storable which holds byte array of variable length.

Constructor Summary

Constructors

Constructor and Description
SimpleDataRow(int part, byte[] val)
SimpleDataRow(long link, int part, byte[] val)

Method Summary

Modifier and Type	Method and Description
int	headerSize()
IOVersions<? extends AbstractDataPageIO>	ioVersions()
long	link()
void	link(long link)
int	partition()
int	size()
String	toString()
byte[]	value()

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleDataRow

public SimpleDataRow(long link,
                     int part,
                     byte[] val)

Parameters:

link - Link.

part - Partition.

val - Value.

SimpleDataRow

public SimpleDataRow(int part,
                     byte[] val)

Parameters:

part - Partition.

val - Value.

Method Detail

link

public void link(long link)

Specified by:

link in interface Storable

Parameters:

link - Link for this row.

link

public long link()

Specified by:

link in interface Storable

Returns:

Link for this row.

partition

public int partition()

Specified by:

partition in interface Storable

Returns:

Partition.

size

public int size()
         throws IgniteCheckedException

Specified by:

size in interface Storable

Returns:

Row size in page.

Throws:

IgniteCheckedException - If failed.

headerSize

public int headerSize()

Specified by:

headerSize in interface Storable

Returns:

Row header size in page. Header is indivisible part of row which is entirely available on the very first page followed by the row link.

value

public byte[] value()

Returns:

Value.

ioVersions

public IOVersions<? extends AbstractDataPageIO> ioVersions()

Specified by:

ioVersions in interface Storable

Returns:

I/O for handling this storable.

toString

public String toString()

Overrides:

toString in class Object