CacheFilter (Oracle WebLogic Server API Reference)

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Oracle Fusion Middleware
Oracle WebLogic Server API Reference
11g Release 1 (10.3.6)

Part Number E13941-06

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weblogic.cache.filter
Class CacheFilter

java.lang.Object
  weblogic.cache.filter.CacheFilter

public class CacheFilter
extends Object
extends Object

A Filter implementation that is able to cache attributes and results from standard requests and responses. To use this filter webapps must specify it in their deployment descriptor. The CacheFilter has several configuration options timeout the time-to-live on cached entries, by default cached entries never timeout. max-cache-size the maximum size of an element that can be cached, by default CacheFilter.MAX_CACHED_SIZE size the size of the cache, default unbounded scope the scope of cached values, by default application. key FIXME vars FIXME verbose whether caching operations should be logged, by default off.

Field Summary
`static long`	`MAX_CACHED_SIZE`

Constructor Summary
`CacheFilter()`

Method Summary
`void`	`destroy()` Destroy the CacheFilter
`void`	`doFilter(ServletRequest req, ServletResponse res, FilterChain chain)` Filter and cache servlet requests and responses.
`protected weblogic.cache.webapp.KeySet`	`getKeySet(weblogic.cache.webapp.CacheSystem cs)`
`void`	`init(FilterConfig config)` Initialize the CacheFilter

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

MAX_CACHED_SIZE

public static final long MAX_CACHED_SIZE

See Also:: Constant Field Values

Constructor Detail

CacheFilter

public CacheFilter()

Method Detail

getKeySet

protected weblogic.cache.webapp.KeySet getKeySet(weblogic.cache.webapp.CacheSystem cs)

init

public void init(FilterConfig config)
          throws ServletException

Initialize the CacheFilter

Parameters:: config -
Throws:: ServletException

destroy

public void destroy()

Destroy the CacheFilter

doFilter

public void doFilter(ServletRequest req,
                     ServletResponse res,
                     FilterChain chain)
              throws ServletException,
                     IOException

Filter and cache servlet requests and responses.

Parameters:: req -; res -; chain -
Throws:: ServletException; IOException