org.gridgain.grid.kernal.processors.cache

Class GridCacheEvictionManager<K,V>

java.lang.Object

org.gridgain.grid.kernal.processors.cache.GridCacheManagerAdapter<K,V>

org.gridgain.grid.kernal.processors.cache.GridCacheEvictionManager<K,V>

All Implemented Interfaces:

GridCacheManager<K,V>

public class GridCacheEvictionManager<K,V>
extends GridCacheManagerAdapter<K,V>

Cache eviction manager.

Field Summary

Fields inherited from class org.gridgain.grid.kernal.processors.cache.GridCacheManagerAdapter

cctx, log

Constructor Summary

Constructors

Constructor and Description
GridCacheEvictionManager()

Method Summary

Methods

Modifier and Type	Method and Description
void	batchEvict(Collection<? extends K> keys, GridCacheVersion obsoleteVer)
boolean	evict(GridCacheEntryEx<K,V> entry, GridCacheVersion obsoleteVer, boolean explicit, GridPredicate<GridCacheEntry<K,V>>[] filter)
int	evictQueueSize()
boolean	evictSyncOrNearSync()
protected void	onKernalStart0()
protected void	onKernalStop0(boolean cancel)
void	printMemoryStats() Prints memory statistics (sizes of internal data structures, etc.).
void	printStats() Prints out eviction stats.
void	start0()
void	touch(GridCacheEntryEx<K,V> e, long topVer)
void	touch(GridCacheTxEx<K,V> tx)
void	unwind() Notifications.

Methods inherited from class org.gridgain.grid.kernal.processors.cache.GridCacheManagerAdapter

context, kernalStartInfo, kernalStopInfo, log, onKernalStart, onKernalStop, start, startInfo, stop, stop0, stopInfo, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

GridCacheEvictionManager

public GridCacheEvictionManager()

Method Detail

start0

public void start0()
            throws GridException

Overrides:

start0 in class GridCacheManagerAdapter<K,V>

Throws:

GridException - If failed.

onKernalStart0

protected void onKernalStart0()
                       throws GridException

Overrides:

onKernalStart0 in class GridCacheManagerAdapter<K,V>

Throws:

GridException - If failed.

onKernalStop0

protected void onKernalStop0(boolean cancel)

Overrides:

onKernalStop0 in class GridCacheManagerAdapter<K,V>

Parameters:

cancel - Cancel flag.

evictQueueSize

public int evictQueueSize()

Returns:

Current size of evict queue.

touch

public void touch(GridCacheTxEx<K,V> tx)

Parameters:

tx - Transaction to register for eviction policy notifications.

touch

public void touch(GridCacheEntryEx<K,V> e,
         long topVer)

Parameters:

e - Entry for eviction policy notification.

evictSyncOrNearSync

public boolean evictSyncOrNearSync()

Returns:

True if either evicts or near evicts are synchronized, false otherwise.

evict

public boolean evict(@Nullable
            GridCacheEntryEx<K,V> entry,
            @Nullable
            GridCacheVersion obsoleteVer,
            boolean explicit,
            @Nullable
            GridPredicate<GridCacheEntry<K,V>>[] filter)
              throws GridException

Parameters:

entry - Entry to attempt to evict.

obsoleteVer - Obsolete version.

filter - Optional entry filter.

explicit - True if evict is called explicitly, false if it's called from eviction policy.

Returns:

True if entry was marked for eviction.

Throws:

GridException - In case of error.

batchEvict

public void batchEvict(Collection<? extends K> keys,
              @Nullable
              GridCacheVersion obsoleteVer)
                throws GridException

Parameters:

keys - Keys to evict.

obsoleteVer - Obsolete version.

Throws:

GridException - In case of error.

unwind

public void unwind()

Notifications.

printStats

public void printStats()

Prints out eviction stats.

printMemoryStats

public void printMemoryStats()

Prints memory statistics (sizes of internal data structures, etc.). NOTE: this method is for testing and profiling purposes only.

Specified by:

printMemoryStats in interface GridCacheManager<K,V>

Overrides:

printMemoryStats in class GridCacheManagerAdapter<K,V>