org.gridgain.grid.spi.indexing.h2.opt

Class GridH2AbstractKeyValueRow

java.lang.Object

org.h2.result.Row

org.gridgain.grid.spi.indexing.h2.opt.GridH2Row

org.gridgain.grid.spi.indexing.h2.opt.GridH2AbstractKeyValueRow

All Implemented Interfaces:

GridSearchRowPointer, org.gridgain.grid.util.offheap.unsafe.GridOffHeapSmartPointer, org.h2.result.SearchRow

Direct Known Subclasses:

GridH2KeyValueRowOffheap, GridH2KeyValueRowOnheap

public abstract class GridH2AbstractKeyValueRow
extends GridH2Row

Table row implementation based on GridIndexingTypeDescriptor.

Field Summary

Fields

Modifier and Type	Field and Description
protected GridH2RowDescriptor	desc
protected long	expirationTime
static int	KEY_COL Key column.
static int	VAL_COL Value column.
static int	VAL_STR_IDX

Fields inherited from class org.gridgain.grid.spi.indexing.h2.opt.GridH2Row

STATE_INSERTED, STATE_NEW, STATE_REJECTED

Fields inherited from class org.h2.result.Row

EMPTY_ARRAY, MEMORY_CALCULATE

Fields inherited from interface org.h2.result.SearchRow

EMPTY_ARRAY

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	GridH2AbstractKeyValueRow(GridH2RowDescriptor desc) Protected constructor for GridH2KeyValueRowOffheap
protected	GridH2AbstractKeyValueRow(GridH2RowDescriptor desc, Object key, int keyType, Object val, int valType, long expirationTime) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
protected abstract void	cache() Caches this row for reuse.
long	expirationTime()
int	getColumnCount()
org.h2.result.Row	getCopy()
long	getKey()
protected abstract org.h2.value.Value	getOffheapValue(int col)
org.h2.value.Value	getValue(int col)
void	onSwap() Should be called to remove reference on value.
void	onUnswap(Object val) Should be called when entry getting unswapped.
void	setDeleted(boolean deleted)
void	setKey(long key)
void	setKeyAndVersion(org.h2.result.SearchRow old)
void	setSessionId(int sesId)
void	setVersion(int ver)
protected org.h2.value.Value	syncValue()
String	toString()
protected org.h2.value.Value	updateWeakValue(org.h2.value.Value exp, org.h2.value.Value upd) Atomically updates weak value.

Methods inherited from class org.gridgain.grid.spi.indexing.h2.opt.GridH2Row

decrementRefCount, finishInsert, incrementRefCount, pointer, refreshState, waitInsertComplete

Methods inherited from class org.h2.result.Row

commit, getByteCount, getMemory, getSessionId, getValueList, getVersion, isDeleted, isEmpty, setValue

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.h2.result.SearchRow

getMemory, getVersion, setValue

Field Detail

KEY_COL

public static final int KEY_COL

Key column.

See Also:

Constant Field Values

VAL_COL

public static final int VAL_COL

Value column.

See Also:

Constant Field Values

VAL_STR_IDX

public static final int VAL_STR_IDX

See Also:

Constant Field Values

desc

protected final GridH2RowDescriptor desc

expirationTime

protected long expirationTime

Constructor Detail

GridH2AbstractKeyValueRow

protected GridH2AbstractKeyValueRow(GridH2RowDescriptor desc,
                         Object key,
                         int keyType,
                         @Nullable
                         Object val,
                         int valType,
                         long expirationTime)
                             throws org.gridgain.grid.spi.GridSpiException

Constructor.

Parameters:

desc - Row descriptor.

key - Key.

keyType - Key type.

val - Value.

valType - Value type.

expirationTime - Expiration time.

Throws:

org.gridgain.grid.spi.GridSpiException - If failed.

GridH2AbstractKeyValueRow

protected GridH2AbstractKeyValueRow(GridH2RowDescriptor desc)

Protected constructor for GridH2KeyValueRowOffheap

Parameters:

desc - Row descriptor.

Method Detail

expirationTime

public long expirationTime()

Returns:

Expiration time of respective cache entry.

getColumnCount

public int getColumnCount()

Specified by:

getColumnCount in interface org.h2.result.SearchRow

Overrides:

getColumnCount in class org.h2.result.Row

onSwap

public void onSwap()
            throws org.gridgain.grid.GridException

Should be called to remove reference on value.

Throws:

org.gridgain.grid.spi.GridSpiException - If failed.

org.gridgain.grid.GridException

onUnswap

public void onUnswap(Object val)
              throws org.gridgain.grid.GridException

Should be called when entry getting unswapped.

Parameters:

val - Value.

Throws:

org.gridgain.grid.GridException - If failed.

updateWeakValue

protected org.h2.value.Value updateWeakValue(org.h2.value.Value exp,
                                 org.h2.value.Value upd)

Atomically updates weak value.

Parameters:

exp - Expected value.

upd - New value.

Returns:

Expected value if update succeeded, unexpected value otherwise.

syncValue

protected org.h2.value.Value syncValue()

Returns:

Synchronized value.

getValue

public org.h2.value.Value getValue(int col)

Specified by:

getValue in interface org.h2.result.SearchRow

Overrides:

getValue in class org.h2.result.Row

cache

protected abstract void cache()

Caches this row for reuse.

getOffheapValue

protected abstract org.h2.value.Value getOffheapValue(int col)

Parameters:

col - Column.

Returns:

Value read from offheap memory or null if it is impossible.

toString

public String toString()

Overrides:

toString in class org.h2.result.Row

setKeyAndVersion

public void setKeyAndVersion(org.h2.result.SearchRow old)

Specified by:

setKeyAndVersion in interface org.h2.result.SearchRow

Overrides:

setKeyAndVersion in class org.h2.result.Row

setKey

public void setKey(long key)

Specified by:

setKey in interface org.h2.result.SearchRow

Overrides:

setKey in class org.h2.result.Row

getCopy

public org.h2.result.Row getCopy()

Overrides:

getCopy in class org.h2.result.Row

setDeleted

public void setDeleted(boolean deleted)

Overrides:

setDeleted in class org.h2.result.Row

getKey

public long getKey()

Specified by:

getKey in interface org.h2.result.SearchRow

Overrides:

getKey in class org.h2.result.Row

setSessionId

public void setSessionId(int sesId)

Overrides:

setSessionId in class org.h2.result.Row

setVersion

public void setVersion(int ver)

Overrides:

setVersion in class org.h2.result.Row