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

Class GridCacheOffheapManager

java.lang.Object

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

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

All Implemented Interfaces:

IgniteCacheOffheapManager, DbCheckpointListener

public class GridCacheOffheapManager
extends IgniteCacheOffheapManagerImpl
implements DbCheckpointListener

Used when persistence enabled.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.ignite.internal.processors.cache.IgniteCacheOffheapManagerImpl

IgniteCacheOffheapManagerImpl.CacheDataStoreImpl

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

DbCheckpointListener.Context

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

IgniteCacheOffheapManager.CacheDataStore, IgniteCacheOffheapManager.OffheapInvokeClosure

Field Summary

Fields inherited from class org.apache.ignite.internal.processors.cache.IgniteCacheOffheapManagerImpl

ctx, grp, log, partDataStores, partStoreLock, pendingEntries

Constructor Summary

Constructors

Constructor and Description
GridCacheOffheapManager()

Method Summary

Modifier and Type	Method and Description
protected IgniteCacheOffheapManager.CacheDataStore	createCacheDataStore0(int p)
protected void	destroyCacheDataStore0(IgniteCacheOffheapManager.CacheDataStore store)
void	destroyPartitionStore(int grpId, int partId) Invalidates page memory for given partition.
void	dropRootPageForIndex(int cacheId, String idxName)
protected org.apache.ignite.internal.processors.cache.persistence.GridCacheOffheapManager.WALHistoricalIterator	historicalIterator(CachePartitionPartialCountersMap partCntrs, Set<Integer> missing)
protected void	initDataStructures()
long	lastUpdatedPartitionCounter(int part) Partition counter provider.
void	onCacheStarted(GridCacheContext cctx)
void	onCheckpointBegin(DbCheckpointListener.Context ctx)
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
IgniteCacheOffheapManager.CacheDataStore	recreateCacheDataStore(IgniteCacheOffheapManager.CacheDataStore store) Destroys given store and creates new with the same update counters as in given.
ReuseList	reuseListForIndex(String idxName)
RootPage	rootPageForIndex(int cacheId, String idxName)
void	stop()

Methods inherited from class org.apache.ignite.internal.processors.cache.IgniteCacheOffheapManagerImpl

cacheDataStores, cacheEntriesCount, cacheEntriesCount, cacheEntriesCount, cacheEntriesIterator, cacheIterator, cacheKeysIterator, cachePartitionIterator, clearCache, containsKey, createCacheDataStore, dataStore, destroyCacheDataStore, expire, expiredSize, globalRemoveId, invoke, offHeapAllocatedSize, onKernalStop, onUndeploy, partitionIterator, read, read, rebalanceIterator, remove, reservedIterator, start, stopCache, totalPartitionEntriesCount, treeName, update

Methods inherited from class java.lang.Object

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

Constructor Detail

GridCacheOffheapManager

public GridCacheOffheapManager()

Method Detail

initDataStructures

protected void initDataStructures()
                           throws IgniteCheckedException

Overrides:

initDataStructures in class IgniteCacheOffheapManagerImpl

Throws:

IgniteCheckedException - If failed.

onCacheStarted

public void onCacheStarted(GridCacheContext cctx)
                    throws IgniteCheckedException

Specified by:

onCacheStarted in interface IgniteCacheOffheapManager

Overrides:

onCacheStarted in class IgniteCacheOffheapManagerImpl

Parameters:

cctx - Cache context.

Throws:

IgniteCheckedException - If failed.

createCacheDataStore0

protected IgniteCacheOffheapManager.CacheDataStore createCacheDataStore0(int p)
                                                                  throws IgniteCheckedException

Overrides:

createCacheDataStore0 in class IgniteCacheOffheapManagerImpl

Parameters:

p - Partition.

Returns:

Cache data store.

Throws:

IgniteCheckedException - If failed.

onCheckpointBegin

public void onCheckpointBegin(DbCheckpointListener.Context ctx)
                       throws IgniteCheckedException

Specified by:

onCheckpointBegin in interface DbCheckpointListener

Throws:

IgniteCheckedException - If failed.

destroyCacheDataStore0

protected void destroyCacheDataStore0(IgniteCacheOffheapManager.CacheDataStore store)
                               throws IgniteCheckedException

Overrides:

destroyCacheDataStore0 in class IgniteCacheOffheapManagerImpl

Parameters:

store - Cache data store.

Throws:

IgniteCheckedException - If failed.

destroyPartitionStore

public void destroyPartitionStore(int grpId,
                                  int partId)
                           throws IgniteCheckedException

Invalidates page memory for given partition. Destroys partition store. NOTE: This method can be invoked only within checkpoint lock or checkpointer thread.

Parameters:

grpId - Group ID.

partId - Partition ID.

Throws:

IgniteCheckedException - If destroy has failed.

recreateCacheDataStore

public IgniteCacheOffheapManager.CacheDataStore recreateCacheDataStore(IgniteCacheOffheapManager.CacheDataStore store)
                                                                throws IgniteCheckedException

Destroys given store and creates new with the same update counters as in given.

Parameters:

store - Store to destroy.

Returns:

New cache data store.

Throws:

IgniteCheckedException - If failed.

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

Overrides:

onPartitionCounterUpdated in class IgniteCacheOffheapManagerImpl

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

Overrides:

onPartitionInitialCounterUpdated in class IgniteCacheOffheapManagerImpl

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

Overrides:

lastUpdatedPartitionCounter in class IgniteCacheOffheapManagerImpl

Parameters:

part - Partition ID.

Returns:

Last updated counter.

rootPageForIndex

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

Specified by:

rootPageForIndex in interface IgniteCacheOffheapManager

Overrides:

rootPageForIndex in class IgniteCacheOffheapManagerImpl

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

Overrides:

dropRootPageForIndex in class IgniteCacheOffheapManagerImpl

Parameters:

cacheId - Cache ID.

idxName - Index name.

Throws:

IgniteCheckedException - If failed.

reuseListForIndex

public ReuseList reuseListForIndex(String idxName)

Specified by:

reuseListForIndex in interface IgniteCacheOffheapManager

Overrides:

reuseListForIndex in class IgniteCacheOffheapManagerImpl

Parameters:

idxName - Index name.

Returns:

Reuse list for index tree.

stop

public void stop()

Specified by:

stop in interface IgniteCacheOffheapManager

Overrides:

stop in class IgniteCacheOffheapManagerImpl

historicalIterator

@Nullable
protected org.apache.ignite.internal.processors.cache.persistence.GridCacheOffheapManager.WALHistoricalIterator historicalIterator(CachePartitionPartialCountersMap partCntrs,
                                                                                                                                             Set<Integer> missing)
                                                                                                                                      throws IgniteCheckedException

Overrides:

historicalIterator in class IgniteCacheOffheapManagerImpl

Parameters:

partCntrs - Partition counters map.

missing - Set of partitions need to populate if partition is missing or failed to reserve.

Returns:

Historical iterator.

Throws:

IgniteCheckedException