Java Doc for ResourceCache.java in  » Scripting » Pnuts » org » pnuts » lib » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Scripting » Pnuts » org.pnuts.lib 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.pnuts.lib.ResourceCache

All known Subclasses:   org.pnuts.lib.DateFormatCache,  org.pnuts.lib.CalendarCache,
ResourceCache
class ResourceCache (Code)
Resource cache implemented with SoftReference.


Field Summary
final static  ObjectNULL
    
 WeakHashMapresources
    

Constructor Summary
public  ResourceCache()
    

Method Summary
protected  ObjectcreateResource(Object key)
     Creates a new resource associated with the specified key.
protected synchronized  ObjectfindResource(Object key)
     Finds a resource associated with the specified key.
public  ObjectgetResource(Object key)
     Gets a resource associated with the specified key.
public synchronized  voidinvalidate(Object key)
    
public synchronized  voidreset()
    

Field Detail
NULL
final static Object NULL(Code)



resources
WeakHashMap resources(Code)




Constructor Detail
ResourceCache
public ResourceCache()(Code)
Constructor




Method Detail
createResource
protected Object createResource(Object key)(Code)
Creates a new resource associated with the specified key.
Parameters:
  key - the key of the resource a newly created resource



findResource
protected synchronized Object findResource(Object key)(Code)
Finds a resource associated with the specified key. Returns null if not found or already expired.
Parameters:
  key - the key of the resource the resource or null



getResource
public Object getResource(Object key)(Code)
Gets a resource associated with the specified key. If the resource has been expired, a new one is created.
Parameters:
  key - the key of the resource a resource associated with the key



invalidate
public synchronized void invalidate(Object key)(Code)
Invalidate the resource associated with the specified key



reset
public synchronized void reset()(Code)
Discard all cached resources



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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