com.ibm.websphere.servlet.cache
Class CacheableJspPage
java.lang.Object
|
+--javax.servlet.GenericServlet
|
+--javax.servlet.http.HttpServlet
|
+--com.ibm.ws.webcontainer.jsp.runtime.HttpJspBase
|
+--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
- 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
Fields inherited from class com.ibm.ws.webcontainer.jsp.runtime.HttpJspBase |
pageContext |
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 |
CacheableJspPage
public CacheableJspPage()
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.
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.