Java Doc for CachingProvider.java in  » Wiki-Engine » JSPWiki » com » ecyrd » jspwiki » providers » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Wiki Engine » JSPWiki » com.ecyrd.jspwiki.providers 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   com.ecyrd.jspwiki.providers.CachingProvider

CachingProvider
public class CachingProvider implements WikiPageProvider,VersioningProvider(Code)
Provides a caching page provider. This class rests on top of a real provider class and provides a cache to speed things up. Only if the cache copy of the page text has expired, we fetch it from the provider.

This class also detects if someone has modified the page externally, not through JSPWiki routines, and throws the proper RepositoryModifiedException.

Heavily based on ideas by Chris Brooking.

Since 2.1.52 uses the OSCache library from OpenSymphony.
author:
   Janne Jalkanen
since:
   1.6.4
See Also:   RepositoryModifiedException



Field Summary
final public static  StringPROP_CACHECAPACITY
    
final public static  StringPROP_CACHECHECKINTERVAL
     Defines, in seconds, the amount of time a text will live in the cache at most before requiring a refresh.


Method Summary
public  voiddeletePage(String pageName)
    
public  voiddeleteVersion(String pageName, int version)
    
public  CollectionfindPages(QueryItem[] query)
    
public  CollectiongetAllChangedSince(Date date)
    
public  CollectiongetAllPages()
    
public  intgetPageCount()
    
public  WikiPagegetPageInfo(String pageName, int version)
    
public  StringgetPageText(String pageName, int version)
    
public synchronized  StringgetProviderInfo()
    
public  WikiPageProvidergetRealProvider()
     Returns the actual used provider.
public  ListgetVersionHistory(String pageName)
    
public  voidinitialize(WikiEngine engine, Properties properties)
    
public  voidmovePage(String from, String to)
    
public  booleanpageExists(String pageName, int version)
    
public  booleanpageExists(String pageName)
    
public  voidputPageText(WikiPage page, String text)
    

Field Detail
PROP_CACHECAPACITY
final public static String PROP_CACHECAPACITY(Code)



PROP_CACHECHECKINTERVAL
final public static String PROP_CACHECHECKINTERVAL(Code)
Defines, in seconds, the amount of time a text will live in the cache at most before requiring a refresh.





Method Detail
deletePage
public void deletePage(String pageName) throws ProviderException(Code)



deleteVersion
public void deleteVersion(String pageName, int version) throws ProviderException(Code)



findPages
public Collection findPages(QueryItem[] query)(Code)



getAllChangedSince
public Collection getAllChangedSince(Date date)(Code)



getAllPages
public Collection getAllPages() throws ProviderException(Code)



getPageCount
public int getPageCount() throws ProviderException(Code)



getPageInfo
public WikiPage getPageInfo(String pageName, int version) throws ProviderException, RepositoryModifiedException(Code)



getPageText
public String getPageText(String pageName, int version) throws ProviderException, RepositoryModifiedException(Code)

throws:
  RepositoryModifiedException - If the page has been externally modified.



getProviderInfo
public synchronized String getProviderInfo()(Code)



getRealProvider
public WikiPageProvider getRealProvider()(Code)
Returns the actual used provider.
since:
   2.0



getVersionHistory
public List getVersionHistory(String pageName) throws ProviderException(Code)



initialize
public void initialize(WikiEngine engine, Properties properties) throws NoRequiredPropertyException, IOException(Code)



movePage
public void movePage(String from, String to) throws ProviderException(Code)



pageExists
public boolean pageExists(String pageName, int version)(Code)



pageExists
public boolean pageExists(String pageName)(Code)



putPageText
public void putPageText(WikiPage page, String text) throws ProviderException(Code)



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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