wt.fc.cache
Class ReferenceCache.ObjectReferenceCacheTable.ObjectReferenceCache

java.lang.Object
  java.util.AbstractMap
      wt.util.Cache
          wt.fc.cache.ReferenceCache.ObjectReferenceCacheTable.ObjectReferenceCache

All Implemented Interfaces:

Map

Enclosing class:

ReferenceCache.ObjectReferenceCacheTable

class ReferenceCache.ObjectReferenceCacheTable.ObjectReferenceCache

extends Cache

Nested Class Summary

Nested classes inherited from class wt.util.Cache

Cache.CacheEntry

Nested classes inherited from class java.util.AbstractMap

Nested classes inherited from class java.util.Map

Map.Entry

Field Summary

(package private) DirtyMap	dirtyMap
(package private) String	name

Fields inherited from class wt.util.Cache

agedOut, cacheSize, count, hashCodes, hits, keys, misses, modCount, tableSize, values

Constructor Summary

(package private)

ReferenceCache.ObjectReferenceCacheTable.ObjectReferenceCache(int size, String name)

Method Summary

void	overflow(Object key, Object value) Called when an entry is being aged out of the cache.
Object	put(Object key, Object value) Put an entry in the cache.
Object	remove(Object key) Remove an entry from the cache.
String	toString() Returns string representation of the cache.

Methods inherited from class wt.util.Cache

clear, containsKey, containsValue, createEntry, entries, entrySet, find, get, getAndRemove, getAndReplace, getKeys, keySet, link, print, size, touch

Methods inherited from class java.util.AbstractMap

clone, equals, hashCode, isEmpty, putAll, values

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

name

final String name

dirtyMap

final DirtyMap dirtyMap

Constructor Detail

ReferenceCache.ObjectReferenceCacheTable.ObjectReferenceCache

ReferenceCache.ObjectReferenceCacheTable.ObjectReferenceCache(int size,
                                                              String name)

Method Detail

put

public Object put(Object key,
                  Object value)

Description copied from class: Cache

Put an entry in the cache. If an entry for the given key already exists, the previous value is discarded. This entry is considered the most recently used.

Supported API: true

Specified by:

put in interface Map

Overrides:

put in class Cache

Parameters:

key - the entry key

value - the value to associate with the given key

Returns:

The previous value that mapped to the key, or null if there was no previous value

overflow

public void overflow(Object key,
                     Object value)

Description copied from class: Cache

Called when an entry is being aged out of the cache. Can be overriden by subclasses that want to take some action when an entry is being aged out of the cache due to overflow. It is only called when an entry is aged out due to overflow, not when entries are explicitly removed or the cache is cleared. It is called before the entry is removed from the cache.

Overrides:

overflow in class Cache

Parameters:

key - the entry key

value - the entry value

remove

public Object remove(Object key)

Description copied from class: Cache

Remove an entry from the cache. Does nothing if the entry is not currently in the cache.

Supported API: true

Specified by:

remove in interface Map

Overrides:

remove in class Cache

Parameters:

key - the entry key

toString

public String toString()

Description copied from class: Cache

Returns string representation of the cache. The string contains the default string representation of the object plus a summary of the current cache size, hits and misses counts, and aged out entry count.

Supported API: true

Overrides:

toString in class Cache