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, java.io.Serializable, javax.servlet.jsp.HttpJspPage, javax.servlet.jsp.JspPage, 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
    • Field Summary

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

        pageContext
    • Constructor Summary

      Constructors 
      Constructor and Description
      CacheableJspPage() 
    • Method Summary

      Methods 
      Modifier and Type Method and Description
      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.
      • 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.
IBM WebSphere Application ServerTM
Release 9.0