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com.ibm.websphere.servlet.cache
Class CacheableJspPage

java.lang.Object
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  +--javax.servlet.GenericServlet
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        +--javax.servlet.http.HttpServlet
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              +--com.ibm.ws.webcontainer.jsp.runtime.HttpJspBase
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                    +--com.ibm.websphere.servlet.cache.CacheableJspPage

All Implemented Interfaces:

CacheableServlet, javax.servlet.jsp.HttpJspPage, javax.servlet.jsp.JspPage, java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

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public abstract class CacheableJspPage

extends com.ibm.ws.webcontainer.jsp.runtime.HttpJspBase

implements CacheableServlet

This class identifies cacheable JSPs to the fragment cache. The cache will call the getId() and getSharingPolicy() methods to obtain the caching metadata for a given execution of the JSP.

See Also:

Serialized Form

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Field Summary

 

Fields inherited from class com.ibm.ws.webcontainer.jsp.runtime.HttpJspBase

pageContext

 

Constructor Summary

CacheableJspPage()

 

Method Summary
java.lang.String	getId(javax.servlet.http.HttpServletRequest request)           This executes the algorithm to compute the cache id.
int	getSharingPolicy(javax.servlet.http.HttpServletRequest request)           This returns the sharing policy for this cache entry.

 

Methods inherited from class com.ibm.ws.webcontainer.jsp.runtime.HttpJspBase

_jspService, destroy, getServletInfo, getTagHandler, init, jspDestroy, jspInit, putTagHandler, service

 

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doGet, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service

 

Methods inherited from class javax.servlet.GenericServlet

getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletName, init, log, log

 

Methods inherited from class java.lang.Object

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

 

Methods inherited from interface javax.servlet.Servlet

getServletConfig, service

 

Constructor Detail

CacheableJspPage

public CacheableJspPage()

Method Detail

getId

public java.lang.String getId(javax.servlet.http.HttpServletRequest request)

This executes the algorithm to compute the cache id.

Specified by:

getId in interface CacheableServlet

Overrides:

getId in class com.ibm.ws.webcontainer.jsp.runtime.HttpJspBase

Parameters:

request - The HTTP request object.

Returns:

The cache id. A null indicates that the JSP should not be cached.

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getSharingPolicy

public int getSharingPolicy(javax.servlet.http.HttpServletRequest request)

This returns the sharing policy for this cache entry. See com.ibm.websphere.servlet.cache.EntryInfo for possible values.

Specified by:

getSharingPolicy in interface CacheableServlet

Overrides:

getSharingPolicy in class com.ibm.ws.webcontainer.jsp.runtime.HttpJspBase

Parameters:

request - The HTTP request object.

Returns:

The sharing policy.

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WebSphere is a trademark of the IBM Corporation in the United States, other countries, or both.

 

IBM is a trademark of the IBM Corporation in the United States, other countries, or both.