wt.fc.cache
Class ReferenceCache.ObjectReferenceCacheTable

java.lang.Object
  wt.fc.cache.CacheTable
      wt.fc.cache.ReferenceCache.ObjectReferenceCacheTable

All Implemented Interfaces:

ApplicationContextChild

Enclosing class:

ReferenceCache

class ReferenceCache.ObjectReferenceCacheTable

extends CacheTable

An extension of CacheTable that maintains a mapping of Long oids to their corresponding cache. This is used so that the Messenger does not have to send a complete ObjectIdentifier over the wire.

Nested Class Summary

(package private) class

ReferenceCache.ObjectReferenceCacheTable.ObjectReferenceCache

Field Summary

(package private) Map	idMapping
(package private) Object	sharedContextKey

Fields inherited from class wt.fc.cache.CacheTable

lock, name

Fields inherited from interface wt.services.applicationcontext.ApplicationContextChild

APPLICATION_CONTEXT

Constructor Summary

(package private)

ReferenceCache.ObjectReferenceCacheTable()

Method Summary

void	clear() Clear idMappings if the cache table gets cleared
protected Cache	createCache(String cache_name, int size, int report_interval) Create an extension of DirtyMap that keeps the idMapping table in sync with the cache.
(package private) DirtyMap	getDirtyMap(Long id) Get the DirtyMap that corresponds to the given object identifier, in Long form.
(package private) DirtyMap	getDirtyMap(String class_name) Get the DirtyMap that corresponds to the given object identifier

Methods inherited from class wt.fc.cache.CacheTable

get, getApplicationContext, getName, setApplicationContext, toString, writeContents

Methods inherited from class java.lang.Object

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

Field Detail

sharedContextKey

final Object sharedContextKey

idMapping

final Map idMapping

Constructor Detail

ReferenceCache.ObjectReferenceCacheTable

ReferenceCache.ObjectReferenceCacheTable()

Method Detail

getDirtyMap

DirtyMap getDirtyMap(Long id)

Get the DirtyMap that corresponds to the given object identifier, in Long form.

getDirtyMap

DirtyMap getDirtyMap(String class_name)
               throws WTException

Get the DirtyMap that corresponds to the given object identifier

Throws:

WTException

createCache

protected Cache createCache(String cache_name,
                            int size,
                            int report_interval)

Create an extension of DirtyMap that keeps the idMapping table in sync with the cache.

In addition, register the cache messenger as a listener for changes to the cache.

Overrides:

createCache in class CacheTable

Parameters:

cache_name - The name of the cache

size - The size of the cache

report_interval - The number of gets after which cache statistics are printed

Returns:

A method-private extension of DirtyMap

clear

public void clear()

Clear idMappings if the cache table gets cleared

Overrides:

clear in class CacheTable