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

Class GridH2KeyValueRowOffheap

java.lang.Object

org.h2.result.Row

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

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

org.gridgain.grid.spi.indexing.h2.opt.GridH2KeyValueRowOffheap

All Implemented Interfaces:

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

public class GridH2KeyValueRowOffheap
extends GridH2AbstractKeyValueRow

Offheap row.

Field Summary

Fields inherited from class org.gridgain.grid.spi.indexing.h2.opt.GridH2AbstractKeyValueRow

desc, expirationTime, KEY_COL, VAL_COL, 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

Constructor and Description
GridH2KeyValueRowOffheap(GridH2RowDescriptor desc, long ptr)
GridH2KeyValueRowOffheap(GridH2RowDescriptor desc, Object key, int keyType, Object val, int valType, long expirationTime) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	cache() Caches this row for reuse.
void	decrementRefCount()
long	expirationTime()
byte	finishInsert(boolean success) Sets whether insert failed due to unique index violation.
protected org.h2.value.Value	getOffheapValue(int col)
void	incrementRefCount()
void	onSwap() Should be called to remove reference on value.
void	onUnswap(Object val) Should be called when entry getting unswapped.
long	pointer()
protected byte	refreshState() Refreshes state.
protected org.h2.value.Value	syncValue()
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.GridH2AbstractKeyValueRow

getColumnCount, getCopy, getKey, getValue, setDeleted, setKey, setKeyAndVersion, setSessionId, setVersion, toString

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

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

Constructor Detail

GridH2KeyValueRowOffheap

public GridH2KeyValueRowOffheap(GridH2RowDescriptor desc,
                        long ptr)

Parameters:

desc - Row descriptor.

ptr - Pointer.

GridH2KeyValueRowOffheap

public GridH2KeyValueRowOffheap(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.

Method Detail

expirationTime

public long expirationTime()

Overrides:

expirationTime in class GridH2AbstractKeyValueRow

Returns:

Expiration time of respective cache entry.

cache

protected void cache()

Caches this row for reuse.

Specified by:

cache in class GridH2AbstractKeyValueRow

getOffheapValue

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

Specified by:

getOffheapValue in class GridH2AbstractKeyValueRow

Parameters:

col - Column.

Returns:

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

refreshState

protected byte refreshState()

Refreshes state.

Overrides:

refreshState in class GridH2Row

Returns:

Refreshed state.

finishInsert

public byte finishInsert(boolean success)

Sets whether insert failed due to unique index violation.

Overrides:

finishInsert in class GridH2Row

Parameters:

success - Flag value.

pointer

public long pointer()

Specified by:

pointer in interface org.gridgain.grid.util.offheap.unsafe.GridOffHeapSmartPointer

Overrides:

pointer in class GridH2Row

onSwap

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

Should be called to remove reference on value.

Overrides:

onSwap in class GridH2AbstractKeyValueRow

Throws:

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

org.gridgain.grid.GridException

updateWeakValue

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

Atomically updates weak value.

Overrides:

updateWeakValue in class GridH2AbstractKeyValueRow

Parameters:

exp - Expected value.

upd - New value.

Returns:

Expected value if update succeeded, unexpected value otherwise.

onUnswap

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

Should be called when entry getting unswapped.

Overrides:

onUnswap in class GridH2AbstractKeyValueRow

Parameters:

val - Value.

Throws:

org.gridgain.grid.GridException - If failed.

syncValue

protected org.h2.value.Value syncValue()

Overrides:

syncValue in class GridH2AbstractKeyValueRow

Returns:

Synchronized value.

incrementRefCount

public void incrementRefCount()

Specified by:

incrementRefCount in interface org.gridgain.grid.util.offheap.unsafe.GridOffHeapSmartPointer

Overrides:

incrementRefCount in class GridH2Row

decrementRefCount

public void decrementRefCount()

Specified by:

decrementRefCount in interface org.gridgain.grid.util.offheap.unsafe.GridOffHeapSmartPointer

Overrides:

decrementRefCount in class GridH2Row