org.apache.ignite.internal.processors.cache.database

Class CacheDataRowAdapter

java.lang.Object

org.apache.ignite.internal.processors.cache.database.CacheDataRowAdapter

All Implemented Interfaces:

CacheDataRow, CacheSearchRow

public class CacheDataRowAdapter
extends Object
implements CacheDataRow

Cache data row adapter.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	CacheDataRowAdapter.RowData

Field Summary

Fields

Modifier and Type	Field and Description
protected int	cacheId
protected long	expireTime
protected KeyCacheObject	key
protected long	link
protected CacheObject	val
protected GridCacheVersion	ver

Constructor Summary

Constructors

Constructor and Description
CacheDataRowAdapter(KeyCacheObject key, CacheObject val, GridCacheVersion ver, long expireTime)
CacheDataRowAdapter(long link)

Method Summary

Methods

Modifier and Type	Method and Description
int	cacheId()
long	expireTime()
int	hash()
void	initFromLink(GridCacheContext<?,?> cctx, CacheDataRowAdapter.RowData rowData) Read row from data pages.
void	initFromLink(GridCacheContext<?,?> cctx, GridCacheSharedContext<?,?> sharedCtx, PageMemory pageMem, CacheDataRowAdapter.RowData rowData) Read row from data pages.
boolean	isReady()
KeyCacheObject	key()
void	key(KeyCacheObject key)
long	link()
void	link(long link)
int	partition()
String	toString()
CacheObject	value()
GridCacheVersion	version()

Methods inherited from class java.lang.Object

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

Field Detail

link

@GridToStringExclude
protected long link

key

@GridToStringInclude
protected KeyCacheObject key

val

@GridToStringInclude
protected CacheObject val

expireTime

protected long expireTime

ver

@GridToStringInclude
protected GridCacheVersion ver

cacheId

@GridToStringInclude
protected int cacheId

Constructor Detail

CacheDataRowAdapter

public CacheDataRowAdapter(long link)

Parameters:

link - Link.

CacheDataRowAdapter

public CacheDataRowAdapter(KeyCacheObject key,
                   CacheObject val,
                   GridCacheVersion ver,
                   long expireTime)

Parameters:

key - Key.

val - Value.

expireTime - Expire time.

ver - Version.

Method Detail

initFromLink

public final void initFromLink(GridCacheContext<?,?> cctx,
                CacheDataRowAdapter.RowData rowData)
                        throws IgniteCheckedException

Read row from data pages.

Parameters:

cctx - Cache context.

rowData - Required row data.

Throws:

IgniteCheckedException - If failed.

initFromLink

public final void initFromLink(@Nullable
                GridCacheContext<?,?> cctx,
                GridCacheSharedContext<?,?> sharedCtx,
                PageMemory pageMem,
                CacheDataRowAdapter.RowData rowData)
                        throws IgniteCheckedException

Read row from data pages. Can be called with cctx == null, if cache instance is unknown, but its ID is stored in the data row.

Parameters:

cctx - Cctx.

sharedCtx - Shared context.

pageMem - Page memory.

rowData - Row data.

Throws:

IgniteCheckedException

isReady

public boolean isReady()

Returns:

True if entry is ready.

key

public KeyCacheObject key()

Specified by:

key in interface CacheSearchRow

Returns:

Cache key.

key

public void key(KeyCacheObject key)

Specified by:

key in interface CacheDataRow

Parameters:

key - Key.

cacheId

public int cacheId()

Specified by:

cacheId in interface CacheDataRow

Returns:

Cache id. Stored only if memory policy with configured per-page eviction is used.

value

public CacheObject value()

Specified by:

value in interface CacheDataRow

Returns:

Cache value.

version

public GridCacheVersion version()

Specified by:

version in interface CacheDataRow

Returns:

Cache entry version.

expireTime

public long expireTime()

Specified by:

expireTime in interface CacheDataRow

Returns:

Expire time.

partition

public int partition()

Specified by:

partition in interface CacheDataRow

Returns:

Partition for this key.

link

public long link()

Specified by:

link in interface CacheSearchRow

Returns:

Link for this row.

link

public void link(long link)

Specified by:

link in interface CacheDataRow

Parameters:

link - Link for this row.

hash

public int hash()

Specified by:

hash in interface CacheSearchRow

Returns:

Key hash code.

toString

public String toString()

Overrides:

toString in class Object