Package org.apache.cassandra.cache

Class ChunkCache

java.lang.Object

org.apache.cassandra.cache.ChunkCache

All Implemented Interfaces:

com.github.benmanes.caffeine.cache.AsyncCacheLoader<org.apache.cassandra.cache.ChunkCache.Key,org.apache.cassandra.cache.ChunkCache.Buffer>, com.github.benmanes.caffeine.cache.CacheLoader<org.apache.cassandra.cache.ChunkCache.Key,org.apache.cassandra.cache.ChunkCache.Buffer>, com.github.benmanes.caffeine.cache.RemovalListener<org.apache.cassandra.cache.ChunkCache.Key,org.apache.cassandra.cache.ChunkCache.Buffer>, CacheSize

public class ChunkCache
extends Object
implements com.github.benmanes.caffeine.cache.CacheLoader<org.apache.cassandra.cache.ChunkCache.Key,org.apache.cassandra.cache.ChunkCache.Buffer>, com.github.benmanes.caffeine.cache.RemovalListener<org.apache.cassandra.cache.ChunkCache.Key,org.apache.cassandra.cache.ChunkCache.Buffer>, CacheSize

Field Summary

Fields

Modifier and Type	Field	Description
static final long	cacheSize
static final ChunkCache	instance
final ChunkCacheMetrics	metrics
static final int	RESERVED_POOL_SPACE_IN_MiB
static final boolean	roundUp

Method Summary

Modifier and Type	Method	Description
long	capacity()
void	close()
void	invalidateFile(String fileName)
void	invalidatePosition(FileHandle dfile, long position)
org.apache.cassandra.cache.ChunkCache.Buffer	load(org.apache.cassandra.cache.ChunkCache.Key key)
static RebuffererFactory	maybeWrap(ChunkReader file)
void	onRemoval(org.apache.cassandra.cache.ChunkCache.Key key, org.apache.cassandra.cache.ChunkCache.Buffer buffer, com.github.benmanes.caffeine.cache.RemovalCause cause)
void	setCapacity(long capacity)
int	size()
long	weightedSize()
RebuffererFactory	wrap(ChunkReader file)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.github.benmanes.caffeine.cache.CacheLoader

asyncLoad, asyncLoadAll, asyncReload, loadAll, reload

Field Details

RESERVED_POOL_SPACE_IN_MiB

public static final int RESERVED_POOL_SPACE_IN_MiB

See Also:

• Constant Field Values

cacheSize

public static final long cacheSize

roundUp

public static final boolean roundUp

instance

public static final ChunkCache instance

metrics

public final ChunkCacheMetrics metrics

Method Details

load

public org.apache.cassandra.cache.ChunkCache.Buffer load(org.apache.cassandra.cache.ChunkCache.Key key)

Specified by:

load in interface com.github.benmanes.caffeine.cache.CacheLoader<org.apache.cassandra.cache.ChunkCache.Key,org.apache.cassandra.cache.ChunkCache.Buffer>

onRemoval

public void onRemoval(org.apache.cassandra.cache.ChunkCache.Key key,
 org.apache.cassandra.cache.ChunkCache.Buffer buffer,
 com.github.benmanes.caffeine.cache.RemovalCause cause)

Specified by:

onRemoval in interface com.github.benmanes.caffeine.cache.RemovalListener<org.apache.cassandra.cache.ChunkCache.Key,org.apache.cassandra.cache.ChunkCache.Buffer>

close

public void close()

wrap

public RebuffererFactory wrap(ChunkReader file)

maybeWrap

public static RebuffererFactory maybeWrap(ChunkReader file)

invalidatePosition

public void invalidatePosition(FileHandle dfile,
 long position)

invalidateFile

public void invalidateFile(String fileName)

capacity

public long capacity()

Specified by:

capacity in interface CacheSize

setCapacity

public void setCapacity(long capacity)

Specified by:

setCapacity in interface CacheSize

size

public int size()

Specified by:

size in interface CacheSize

weightedSize

public long weightedSize()

Specified by:

weightedSize in interface CacheSize