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jdk.jfr.internal

public final Class StringPool

Class Inheritance

extends Object

java.lang.Object
jdk.jfr.internal.StringPool

Imports

java.util.concurrent.ConcurrentHashMap, java.util.concurrent.atomic.AtomicLong, jdk.internal.vm.Continuation

Field Summary

Modifier and Type	Field and Description
private static final ConcurrentHashMap<String, Long>	cache
private static long	currentSizeUTF16
private static final long	DO_NOT_POOL
pack-priv static short	generation
public static final int	MAX_LIMIT
private static final int	MAX_SIZE
private static final long	MAX_SIZE_UTF16
public static final int	MIN_LIMIT
private static final String[]	preCache
private static final int	PRECACHE_THRESHOLD
private static final int	preCacheMask
private static int	preCacheOld
private static final long	SID_MASK
private static final AtomicLong	sidIdx

Constructor Summary

Access	Constructor and Description
public	StringPool()

Method Summary

Modifier and Type	Method and Description
public static long	addString(String s, boolean pinVirtualThread)
private static long	ensureCurrentGeneration(String s, Long lsid, boolean pinVirtualThread)
private static long	externalSid(long internalSid)
private static boolean	isCurrentGeneration(long internalSid)
private static long	nextInternalSid()
private static boolean	preCache(String s)
private static void	reset(boolean pinVirtualThread)
private static long	storeString(String s, boolean pinVirtualThread)
private static long	updateInternalSid(long internalSid)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

cache	back to summary
private static final ConcurrentHashMap<String, Long> cache

currentSizeUTF16	back to summary
private static long currentSizeUTF16

DO_NOT_POOL	back to summary
private static final long DO_NOT_POOL

generation	back to summary
pack-priv static short generation

MAX_LIMIT	back to summary
public static final int MAX_LIMIT

MAX_SIZE	back to summary
private static final int MAX_SIZE

MAX_SIZE_UTF16	back to summary
private static final long MAX_SIZE_UTF16

MIN_LIMIT	back to summary
public static final int MIN_LIMIT

preCache	back to summary
private static final String[] preCache

PRECACHE_THRESHOLD	back to summary
private static final int PRECACHE_THRESHOLD

preCacheMask	back to summary
private static final int preCacheMask

preCacheOld	back to summary
private static int preCacheOld

SID_MASK	back to summary
private static final long SID_MASK

sidIdx	back to summary
private static final AtomicLong sidIdx

Constructor Detail

StringPool	back to summary
public StringPool()

Method Detail

addString	back to summary
public static long addString(String s, boolean pinVirtualThread)

ensureCurrentGeneration	back to summary
private static long ensureCurrentGeneration(String s, Long lsid, boolean pinVirtualThread)

externalSid	back to summary
private static long externalSid(long internalSid)

isCurrentGeneration	back to summary
private static boolean isCurrentGeneration(long internalSid)

nextInternalSid	back to summary
private static long nextInternalSid()

preCache	back to summary
private static boolean preCache(String s)

reset	back to summary
private static void reset(boolean pinVirtualThread)

storeString	back to summary
private static long storeString(String s, boolean pinVirtualThread)

updateInternalSid	back to summary
private static long updateInternalSid(long internalSid)