org.teiid.dqp.internal.process

Class SessionAwareCache<T>

java.lang.Object

org.teiid.dqp.internal.process.SessionAwareCache<T>

public class SessionAwareCache<T>
extends Object

This class is used to cache session aware objects

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SessionAwareCache.CacheID
static class	SessionAwareCache.Type

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_MAX_SIZE_TOTAL
static String	REPL

Constructor Summary

Constructors

Constructor and Description
SessionAwareCache(String cacheName, CacheFactory cacheFactory, SessionAwareCache.Type type, int maxStaleness)

Method Summary

Modifier and Type	Method and Description
CacheStatisticsMetadata	buildCacheStats(String name)
void	clearAll() Clear all the cached plans for all the clientConns
void	clearForVDB(String vdbName, String version)
void	clearForVDB(VDBKey vdbKey)
T	get(SessionAwareCache.CacheID id)
int	getCacheHitCount()
double	getCacheHitRatio()
int	getCachePutCount()
static Collection<String>	getCacheTypes()
int	getRequestCount()
int	getTotalCacheEntries()
boolean	isTransactional()
void	put(SessionAwareCache.CacheID id, FunctionMethod.Determinism determinismLevel, T t, Long ttl)
T	remove(SessionAwareCache.CacheID id, FunctionMethod.Determinism determinismLevel)
void	setModTime(long modTime)
void	setTupleBufferCache(TupleBufferCache bufferManager)

Methods inherited from class java.lang.Object

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

Field Detail

REPL

public static final String REPL

See Also:

Constant Field Values

DEFAULT_MAX_SIZE_TOTAL

public static final int DEFAULT_MAX_SIZE_TOTAL

See Also:

Constant Field Values

Constructor Detail

SessionAwareCache

public SessionAwareCache(String cacheName,
                         CacheFactory cacheFactory,
                         SessionAwareCache.Type type,
                         int maxStaleness)

Method Detail

get

public T get(SessionAwareCache.CacheID id)

getCacheHitCount

public int getCacheHitCount()

getRequestCount

public int getRequestCount()

getCachePutCount

public int getCachePutCount()

getTotalCacheEntries

public int getTotalCacheEntries()

remove

public T remove(SessionAwareCache.CacheID id,
                FunctionMethod.Determinism determinismLevel)

put

public void put(SessionAwareCache.CacheID id,
                FunctionMethod.Determinism determinismLevel,
                T t,
                Long ttl)

clearAll

public void clearAll()

Clear all the cached plans for all the clientConns

clearForVDB

public void clearForVDB(String vdbName,
                        String version)

clearForVDB

public void clearForVDB(VDBKey vdbKey)

setTupleBufferCache

public void setTupleBufferCache(TupleBufferCache bufferManager)

setModTime

public void setModTime(long modTime)

getCacheTypes

public static Collection<String> getCacheTypes()

isTransactional

public boolean isTransactional()

getCacheHitRatio

public double getCacheHitRatio()

buildCacheStats

public CacheStatisticsMetadata buildCacheStats(String name)