Package com.google.common.cache

Class LocalCache.WeakEntry<K,V>

java.lang.Object

java.lang.ref.Reference<T>

java.lang.ref.WeakReference<K>

com.google.common.cache.LocalCache.WeakEntry<K,V>

All Implemented Interfaces:

ReferenceEntry<K,V>

Direct Known Subclasses:

LocalCache.WeakAccessEntry, LocalCache.WeakAccessWriteEntry, LocalCache.WeakWriteEntry

Enclosing class:

LocalCache<K,V>

static class LocalCache.WeakEntry<K,V>
extends java.lang.ref.WeakReference<K>
implements ReferenceEntry<K,V>

Used for weakly-referenced keys.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) int	hash
(package private) ReferenceEntry<K,V>	next
(package private) LocalCache.ValueReference<K,V>	valueReference

Constructor Summary

Constructors

Constructor	Description
WeakEntry(java.lang.ref.ReferenceQueue<K> queue, K key, int hash, ReferenceEntry<K,V> next)

Method Summary

Modifier and Type	Method	Description
long	getAccessTime()	Returns the time that this entry was last accessed, in ns.
int	getHash()	Returns the entry's hash.
K	getKey()	Returns the key for this entry.
ReferenceEntry<K,V>	getNext()	Returns the next entry in the chain.
ReferenceEntry<K,V>	getNextInAccessQueue()	Returns the next entry in the access queue.
ReferenceEntry<K,V>	getNextInWriteQueue()	Returns the next entry in the write queue.
ReferenceEntry<K,V>	getPreviousInAccessQueue()	Returns the previous entry in the access queue.
ReferenceEntry<K,V>	getPreviousInWriteQueue()	Returns the previous entry in the write queue.
LocalCache.ValueReference<K,V>	getValueReference()	Returns the value reference from this entry.
long	getWriteTime()
void	setAccessTime(long time)	Sets the entry access time in ns.
void	setNextInAccessQueue(ReferenceEntry<K,V> next)	Sets the next entry in the access queue.
void	setNextInWriteQueue(ReferenceEntry<K,V> next)	Sets the next entry in the write queue.
void	setPreviousInAccessQueue(ReferenceEntry<K,V> previous)	Sets the previous entry in the access queue.
void	setPreviousInWriteQueue(ReferenceEntry<K,V> previous)	Sets the previous entry in the write queue.
void	setValueReference(LocalCache.ValueReference<K,V> valueReference)	Sets the value reference for this entry.
void	setWriteTime(long time)	Sets the entry write time in ns.

Methods inherited from class java.lang.ref.Reference

clear, clone, enqueue, get, isEnqueued, reachabilityFence

Methods inherited from class java.lang.Object

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

Field Detail

hash

final int hash

next

final ReferenceEntry<K,V> next

valueReference

volatile LocalCache.ValueReference<K,V> valueReference

Constructor Detail

WeakEntry

WeakEntry(java.lang.ref.ReferenceQueue<K> queue,
          K key,
          int hash,
          ReferenceEntry<K,V> next)

Method Detail

getKey

public K getKey()

Description copied from interface: ReferenceEntry

Returns the key for this entry.

Specified by:

getKey in interface ReferenceEntry<K,V>

getAccessTime

public long getAccessTime()

Description copied from interface: ReferenceEntry

Returns the time that this entry was last accessed, in ns.

Specified by:

getAccessTime in interface ReferenceEntry<K,V>

setAccessTime

public void setAccessTime(long time)

Description copied from interface: ReferenceEntry

Sets the entry access time in ns.

Specified by:

setAccessTime in interface ReferenceEntry<K,V>

getNextInAccessQueue

public ReferenceEntry<K,V> getNextInAccessQueue()

Description copied from interface: ReferenceEntry

Returns the next entry in the access queue.

Specified by:

getNextInAccessQueue in interface ReferenceEntry<K,V>

setNextInAccessQueue

public void setNextInAccessQueue(ReferenceEntry<K,V> next)

Description copied from interface: ReferenceEntry

Sets the next entry in the access queue.

Specified by:

setNextInAccessQueue in interface ReferenceEntry<K,V>

getPreviousInAccessQueue

public ReferenceEntry<K,V> getPreviousInAccessQueue()

Description copied from interface: ReferenceEntry

Returns the previous entry in the access queue.

Specified by:

getPreviousInAccessQueue in interface ReferenceEntry<K,V>

setPreviousInAccessQueue

public void setPreviousInAccessQueue(ReferenceEntry<K,V> previous)

Description copied from interface: ReferenceEntry

Sets the previous entry in the access queue.

Specified by:

setPreviousInAccessQueue in interface ReferenceEntry<K,V>

getWriteTime

public long getWriteTime()

Specified by:

getWriteTime in interface ReferenceEntry<K,V>

setWriteTime

public void setWriteTime(long time)

Description copied from interface: ReferenceEntry

Sets the entry write time in ns.

Specified by:

setWriteTime in interface ReferenceEntry<K,V>

getNextInWriteQueue

public ReferenceEntry<K,V> getNextInWriteQueue()

Description copied from interface: ReferenceEntry

Returns the next entry in the write queue.

Specified by:

getNextInWriteQueue in interface ReferenceEntry<K,V>

setNextInWriteQueue

public void setNextInWriteQueue(ReferenceEntry<K,V> next)

Description copied from interface: ReferenceEntry

Sets the next entry in the write queue.

Specified by:

setNextInWriteQueue in interface ReferenceEntry<K,V>

getPreviousInWriteQueue

public ReferenceEntry<K,V> getPreviousInWriteQueue()

Description copied from interface: ReferenceEntry

Returns the previous entry in the write queue.

Specified by:

getPreviousInWriteQueue in interface ReferenceEntry<K,V>

setPreviousInWriteQueue

public void setPreviousInWriteQueue(ReferenceEntry<K,V> previous)

Description copied from interface: ReferenceEntry

Sets the previous entry in the write queue.

Specified by:

setPreviousInWriteQueue in interface ReferenceEntry<K,V>

getValueReference

public LocalCache.ValueReference<K,V> getValueReference()

Description copied from interface: ReferenceEntry

Returns the value reference from this entry.

Specified by:

getValueReference in interface ReferenceEntry<K,V>

setValueReference

public void setValueReference(LocalCache.ValueReference<K,V> valueReference)

Description copied from interface: ReferenceEntry

Sets the value reference for this entry.

Specified by:

setValueReference in interface ReferenceEntry<K,V>

getHash

public int getHash()

Description copied from interface: ReferenceEntry

Returns the entry's hash.

Specified by:

getHash in interface ReferenceEntry<K,V>

getNext

public ReferenceEntry<K,V> getNext()

Description copied from interface: ReferenceEntry

Returns the next entry in the chain.

Specified by:

getNext in interface ReferenceEntry<K,V>