org.apache.ignite.internal.processors.cache

Class IgniteCacheOffheapManagerImpl

java.lang.Object

org.apache.ignite.internal.processors.cache.IgniteCacheOffheapManagerImpl

All Implemented Interfaces:

IgniteCacheOffheapManager

Direct Known Subclasses:

GridCacheOffheapManager

public class IgniteCacheOffheapManagerImpl
extends Object
implements IgniteCacheOffheapManager

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	IgniteCacheOffheapManagerImpl.CacheDataRowStore
protected class	IgniteCacheOffheapManagerImpl.CacheDataStoreImpl
protected static class	IgniteCacheOffheapManagerImpl.CacheDataTree
static class	IgniteCacheOffheapManagerImpl.CacheIdAwareDataInnerIO
static class	IgniteCacheOffheapManagerImpl.CacheIdAwareDataLeafIO
static class	IgniteCacheOffheapManagerImpl.CacheIdAwarePendingEntryInnerIO
static class	IgniteCacheOffheapManagerImpl.CacheIdAwarePendingEntryLeafIO
static class	IgniteCacheOffheapManagerImpl.DataInnerIO
static class	IgniteCacheOffheapManagerImpl.DataLeafIO
protected static class	IgniteCacheOffheapManagerImpl.PendingEntriesTree
static class	IgniteCacheOffheapManagerImpl.PendingEntryInnerIO
static class	IgniteCacheOffheapManagerImpl.PendingEntryLeafIO

Nested classes/interfaces inherited from interface org.apache.ignite.internal.processors.cache.IgniteCacheOffheapManager

IgniteCacheOffheapManager.CacheDataStore, IgniteCacheOffheapManager.OffheapInvokeClosure

Field Summary

Fields

Modifier and Type	Field and Description
protected GridCacheSharedContext	ctx
protected CacheGroupContext	grp
protected IgniteLogger	log
protected ConcurrentMap<Integer,IgniteCacheOffheapManager.CacheDataStore>	partDataStores
protected IgniteCacheOffheapManagerImpl.PendingEntriesTree	pendingEntries

Constructor Summary

Constructors

Constructor and Description
IgniteCacheOffheapManagerImpl()

Method Summary

Methods

Modifier and Type	Method and Description
Iterable<IgniteCacheOffheapManager.CacheDataStore>	cacheDataStores()
long	cacheEntriesCount(int cacheId)
long	cacheEntriesCount(int cacheId, boolean primary, boolean backup, AffinityTopologyVersion topVer)
long	cacheEntriesCount(int cacheId, int part)
<K,V> GridCloseableIterator<javax.cache.Cache.Entry<K,V>>	cacheEntriesIterator(GridCacheContext cctx, boolean primary, boolean backup, AffinityTopologyVersion topVer, boolean keepBinary)
GridIterator<CacheDataRow>	cacheIterator(int cacheId, boolean primary, boolean backups, AffinityTopologyVersion topVer)
GridCloseableIterator<KeyCacheObject>	cacheKeysIterator(int cacheId, int part)
GridIterator<CacheDataRow>	cachePartitionIterator(int cacheId, int part)
void	clearCache(GridCacheContext cctx, boolean readers) Clears offheap entries.
boolean	containsKey(GridCacheMapEntry entry) TODO: GG-10884, used on only from initialValue.
IgniteCacheOffheapManager.CacheDataStore	createCacheDataStore(int p)
protected IgniteCacheOffheapManager.CacheDataStore	createCacheDataStore0(int p)
IgniteCacheOffheapManager.CacheDataStore	dataStore(GridDhtLocalPartition part)
void	destroyCacheDataStore(IgniteCacheOffheapManager.CacheDataStore store)
protected void	destroyCacheDataStore0(IgniteCacheOffheapManager.CacheDataStore store)
void	dropRootPageForIndex(int cacheId, String idxName)
boolean	expire(GridCacheContext cctx, IgniteInClosure2X<GridCacheEntryEx,GridCacheVersion> c, int amount)
long	expiredSize() Gets the number of entries pending expire.
GridAtomicLong	globalRemoveId()
protected void	initDataStructures()
void	invoke(GridCacheContext cctx, KeyCacheObject key, GridDhtLocalPartition part, IgniteCacheOffheapManager.OffheapInvokeClosure c)
long	lastUpdatedPartitionCounter(int part) Partition counter provider.
long	offHeapAllocatedSize()
void	onCacheStarted(GridCacheContext cctx)
void	onKernalStop()
void	onPartitionCounterUpdated(int part, long cntr) Partition counter update callback.
void	onPartitionInitialCounterUpdated(int part, long cntr) Initial counter will be updated on state restore only
int	onUndeploy(ClassLoader ldr)
GridIterator<CacheDataRow>	partitionIterator(int part)
CacheDataRow	read(GridCacheContext cctx, KeyCacheObject key)
CacheDataRow	read(GridCacheMapEntry entry)
IgniteRebalanceIterator	rebalanceIterator(int part, AffinityTopologyVersion topVer, Long partCntr)
void	remove(GridCacheContext cctx, KeyCacheObject key, int partId, GridDhtLocalPartition part)
ReuseList	reuseListForIndex(String idxName)
RootPage	rootPageForIndex(int cacheId, String idxName)
void	start(GridCacheSharedContext ctx, CacheGroupContext grp)
void	stop()
void	stopCache(int cacheId, boolean destroy)
int	totalPartitionEntriesCount(int p)
protected String	treeName(int p)
void	update(GridCacheContext cctx, KeyCacheObject key, CacheObject val, GridCacheVersion ver, long expireTime, GridDhtLocalPartition part, CacheDataRow oldRow)
void	updateIndexes(GridCacheContext cctx, KeyCacheObject key, GridDhtLocalPartition part)

Methods inherited from class java.lang.Object

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

Field Detail

ctx

protected GridCacheSharedContext ctx

grp

protected CacheGroupContext grp

log

protected IgniteLogger log

partDataStores

protected final ConcurrentMap<Integer,IgniteCacheOffheapManager.CacheDataStore> partDataStores

pendingEntries

protected IgniteCacheOffheapManagerImpl.PendingEntriesTree pendingEntries

Constructor Detail

IgniteCacheOffheapManagerImpl

public IgniteCacheOffheapManagerImpl()

Method Detail

globalRemoveId

public GridAtomicLong globalRemoveId()

Specified by:

globalRemoveId in interface IgniteCacheOffheapManager

Returns:

Global remove ID counter.

start

public void start(GridCacheSharedContext ctx,
         CacheGroupContext grp)
           throws IgniteCheckedException

Specified by:

start in interface IgniteCacheOffheapManager

Parameters:

ctx - Context.

grp - Cache group.

Throws:

IgniteCheckedException - If failed.

onCacheStarted

public void onCacheStarted(GridCacheContext cctx)
                    throws IgniteCheckedException

Specified by:

onCacheStarted in interface IgniteCacheOffheapManager

Parameters:

cctx - Cache context.

Throws:

IgniteCheckedException - If failed.

initDataStructures

protected void initDataStructures()
                           throws IgniteCheckedException

Throws:

IgniteCheckedException - If failed.

stopCache

public void stopCache(int cacheId,
             boolean destroy)

Specified by:

stopCache in interface IgniteCacheOffheapManager

Parameters:

cacheId - Cache ID.

destroy - Destroy data flag.

stop

public void stop()

Specified by:

stop in interface IgniteCacheOffheapManager

onKernalStop

public void onKernalStop()

Specified by:

onKernalStop in interface IgniteCacheOffheapManager

dataStore

public IgniteCacheOffheapManager.CacheDataStore dataStore(GridDhtLocalPartition part)

Specified by:

dataStore in interface IgniteCacheOffheapManager

Parameters:

part - Partition.

Returns:

Data store for given entry.

cacheEntriesCount

public long cacheEntriesCount(int cacheId)

Specified by:

cacheEntriesCount in interface IgniteCacheOffheapManager

Parameters:

cacheId - Cache ID.

Returns:

Number of entries.

totalPartitionEntriesCount

public int totalPartitionEntriesCount(int p)

Specified by:

totalPartitionEntriesCount in interface IgniteCacheOffheapManager

Parameters:

p - Partition.

Returns:

Number of entries.

cacheEntriesCount

public long cacheEntriesCount(int cacheId,
                     boolean primary,
                     boolean backup,
                     AffinityTopologyVersion topVer)
                       throws IgniteCheckedException

Specified by:

cacheEntriesCount in interface IgniteCacheOffheapManager

Parameters:

cacheId - Cache ID.

primary - Primary entries flag.

backup - Backup entries flag.

topVer - Topology version.

Returns:

Entries count.

Throws:

IgniteCheckedException - If failed.

cacheEntriesCount

public long cacheEntriesCount(int cacheId,
                     int part)

Specified by:

cacheEntriesCount in interface IgniteCacheOffheapManager

Parameters:

cacheId - Cache ID.

part - Partition.

Returns:

Number of entries in given partition.

invoke

public void invoke(GridCacheContext cctx,
          KeyCacheObject key,
          GridDhtLocalPartition part,
          IgniteCacheOffheapManager.OffheapInvokeClosure c)
            throws IgniteCheckedException

Specified by:

invoke in interface IgniteCacheOffheapManager

Parameters:

cctx - Cache context.

key - Key.

part - Partition.

c - Tree update closure.

Throws:

IgniteCheckedException - If failed.

update

public void update(GridCacheContext cctx,
          KeyCacheObject key,
          CacheObject val,
          GridCacheVersion ver,
          long expireTime,
          GridDhtLocalPartition part,
          @Nullable
          CacheDataRow oldRow)
            throws IgniteCheckedException

Specified by:

update in interface IgniteCacheOffheapManager

Parameters:

cctx - Cache context.

key - Key.

val - Value.

ver - Version.

expireTime - Expire time.

part - Partition.

oldRow - Old row if available.

Throws:

IgniteCheckedException - If failed.

updateIndexes

public void updateIndexes(GridCacheContext cctx,
                 KeyCacheObject key,
                 GridDhtLocalPartition part)
                   throws IgniteCheckedException

Specified by:

updateIndexes in interface IgniteCacheOffheapManager

Parameters:

cctx - Cache context.

key - Key.

part - Partition.

Throws:

IgniteCheckedException - If failed.

remove

public void remove(GridCacheContext cctx,
          KeyCacheObject key,
          int partId,
          GridDhtLocalPartition part)
            throws IgniteCheckedException

Specified by:

remove in interface IgniteCacheOffheapManager

Parameters:

cctx - Cache context.

key - Key.

partId - Partition number.

part - Partition.

Throws:

IgniteCheckedException - If failed.

read

@Nullable
public CacheDataRow read(GridCacheMapEntry entry)
                  throws IgniteCheckedException

Specified by:

read in interface IgniteCacheOffheapManager

Parameters:

entry - Cache entry.

Returns:

Cached row, if available, null otherwise.

Throws:

IgniteCheckedException - If failed.

read

@Nullable
public CacheDataRow read(GridCacheContext cctx,
                         KeyCacheObject key)
                  throws IgniteCheckedException

Specified by:

read in interface IgniteCacheOffheapManager

Parameters:

cctx - Cache context.

key - Key.

Returns:

Cached row, if available, null otherwise.

Throws:

IgniteCheckedException - If failed.

containsKey

public boolean containsKey(GridCacheMapEntry entry)

TODO: GG-10884, used on only from initialValue.

Specified by:

containsKey in interface IgniteCacheOffheapManager

onPartitionCounterUpdated

public void onPartitionCounterUpdated(int part,
                             long cntr)

Partition counter update callback. May be overridden by plugin-provided subclasses.

Specified by:

onPartitionCounterUpdated in interface IgniteCacheOffheapManager

Parameters:

part - Partition.

cntr - Partition counter.

onPartitionInitialCounterUpdated

public void onPartitionInitialCounterUpdated(int part,
                                    long cntr)

Initial counter will be updated on state restore only

Specified by:

onPartitionInitialCounterUpdated in interface IgniteCacheOffheapManager

Parameters:

part - Partition

cntr - New initial counter

lastUpdatedPartitionCounter

public long lastUpdatedPartitionCounter(int part)

Partition counter provider. May be overridden by plugin-provided subclasses.

Specified by:

lastUpdatedPartitionCounter in interface IgniteCacheOffheapManager

Parameters:

part - Partition ID.

Returns:

Last updated counter.

clearCache

public void clearCache(GridCacheContext cctx,
              boolean readers)

Clears offheap entries.

Specified by:

clearCache in interface IgniteCacheOffheapManager

Parameters:

readers - True to clear readers.

cctx - Cache context.

onUndeploy

public int onUndeploy(ClassLoader ldr)

Specified by:

onUndeploy in interface IgniteCacheOffheapManager

Parameters:

ldr - Class loader.

Returns:

Number of undeployed entries.

offHeapAllocatedSize

public long offHeapAllocatedSize()

Specified by:

offHeapAllocatedSize in interface IgniteCacheOffheapManager

Returns:

Offheap allocated size.

cacheEntriesIterator

public <K,V> GridCloseableIterator<javax.cache.Cache.Entry<K,V>> cacheEntriesIterator(GridCacheContext cctx,
                                                                             boolean primary,
                                                                             boolean backup,
                                                                             AffinityTopologyVersion topVer,
                                                                             boolean keepBinary)
                                                                         throws IgniteCheckedException

Specified by:

cacheEntriesIterator in interface IgniteCacheOffheapManager

Parameters:

primary - True if need return primary entries.

backup - True if need return backup entries.

topVer - Topology version to use.

cctx - Cache context.

keepBinary - Keep binary flag.

Returns:

Entries iterator.

Throws:

IgniteCheckedException - If failed.

cacheKeysIterator

public GridCloseableIterator<KeyCacheObject> cacheKeysIterator(int cacheId,
                                                      int part)
                                                        throws IgniteCheckedException

Specified by:

cacheKeysIterator in interface IgniteCacheOffheapManager

Parameters:

cacheId - Cache ID.

part - Partition.

Returns:

Iterator.

Throws:

IgniteCheckedException - If failed.

cacheIterator

public GridIterator<CacheDataRow> cacheIterator(int cacheId,
                                       boolean primary,
                                       boolean backups,
                                       AffinityTopologyVersion topVer)
                                         throws IgniteCheckedException

Specified by:

cacheIterator in interface IgniteCacheOffheapManager

Parameters:

cacheId - Cache ID.

primary - Primary entries flag.

backups - Backup entries flag.

topVer - Topology version.

Returns:

Rows iterator.

Throws:

IgniteCheckedException - If failed.

cachePartitionIterator

public GridIterator<CacheDataRow> cachePartitionIterator(int cacheId,
                                                int part)
                                                  throws IgniteCheckedException

Specified by:

cachePartitionIterator in interface IgniteCacheOffheapManager

Parameters:

cacheId - Cache ID.

part - Partition.

Returns:

Partition data iterator.

Throws:

IgniteCheckedException - If failed.

partitionIterator

public GridIterator<CacheDataRow> partitionIterator(int part)
                                             throws IgniteCheckedException

Specified by:

partitionIterator in interface IgniteCacheOffheapManager

Parameters:

part - Partition number.

Returns:

Iterator for given partition.

Throws:

IgniteCheckedException - If failed.

rootPageForIndex

public RootPage rootPageForIndex(int cacheId,
                        String idxName)
                          throws IgniteCheckedException

Specified by:

rootPageForIndex in interface IgniteCacheOffheapManager

Parameters:

cacheId - Cache ID.

idxName - Index name.

Returns:

Root page for index tree.

Throws:

IgniteCheckedException - If failed.

dropRootPageForIndex

public void dropRootPageForIndex(int cacheId,
                        String idxName)
                          throws IgniteCheckedException

Specified by:

dropRootPageForIndex in interface IgniteCacheOffheapManager

Parameters:

cacheId - Cache ID.

idxName - Index name.

Throws:

IgniteCheckedException - If failed.

reuseListForIndex

public ReuseList reuseListForIndex(String idxName)

Specified by:

reuseListForIndex in interface IgniteCacheOffheapManager

Parameters:

idxName - Index name.

Returns:

Reuse list for index tree.

rebalanceIterator

public IgniteRebalanceIterator rebalanceIterator(int part,
                                        AffinityTopologyVersion topVer,
                                        Long partCntr)
                                          throws IgniteCheckedException

Specified by:

rebalanceIterator in interface IgniteCacheOffheapManager

Parameters:

part - Partition.

topVer - Topology version.

partCntr - Partition counter to get historical data if available.

Returns:

Partition data iterator.

Throws:

IgniteCheckedException - If failed.

createCacheDataStore

public final IgniteCacheOffheapManager.CacheDataStore createCacheDataStore(int p)
                                                                    throws IgniteCheckedException

Specified by:

createCacheDataStore in interface IgniteCacheOffheapManager

Parameters:

p - Partition.

Returns:

Data store.

Throws:

IgniteCheckedException - If failed.

createCacheDataStore0

protected IgniteCacheOffheapManager.CacheDataStore createCacheDataStore0(int p)
                                                                  throws IgniteCheckedException

Parameters:

p - Partition.

Returns:

Cache data store.

Throws:

IgniteCheckedException - If failed.

cacheDataStores

public Iterable<IgniteCacheOffheapManager.CacheDataStore> cacheDataStores()

Specified by:

cacheDataStores in interface IgniteCacheOffheapManager

Returns:

Iterable over all existing cache data stores.

destroyCacheDataStore

public final void destroyCacheDataStore(IgniteCacheOffheapManager.CacheDataStore store)
                                 throws IgniteCheckedException

Specified by:

destroyCacheDataStore in interface IgniteCacheOffheapManager

Parameters:

store - Data store.

Throws:

IgniteCheckedException - If failed.

destroyCacheDataStore0

protected void destroyCacheDataStore0(IgniteCacheOffheapManager.CacheDataStore store)
                               throws IgniteCheckedException

Parameters:

store - Cache data store.

Throws:

IgniteCheckedException - If failed.

treeName

protected final String treeName(int p)

Parameters:

p - Partition.

Returns:

Tree name for given partition.

expire

public boolean expire(GridCacheContext cctx,
             IgniteInClosure2X<GridCacheEntryEx,GridCacheVersion> c,
             int amount)
               throws IgniteCheckedException

Specified by:

expire in interface IgniteCacheOffheapManager

Parameters:

cctx - Cache context.

c - Closure.

Throws:

IgniteCheckedException - If failed.

expiredSize

public long expiredSize()
                 throws IgniteCheckedException

Gets the number of entries pending expire.

Specified by:

expiredSize in interface IgniteCacheOffheapManager

Returns:

Number of pending entries.

Throws:

IgniteCheckedException - If failed to get number of pending entries.