key-field
Specifies a component of the key used to look up and extract cache entries. The web container searches for the named parameter, or field, in the specified scope.
If this element is not present, the web container uses the Servlet Path (the path section that corresponds to the servlet mapping that activated the current request). See the Servlet 2.3 specification, section SRV 4.4, for details on the Servlet Path.
Subelements
none
Attributes
The following table describes attributes for the key-field element. The left column lists the attribute name, the middle column indicates the default value, and the right column describes what the attribute does.
Table 6–36 key-field Attributes|
Attribute |
Default Value |
Description |
|---|---|---|
|
name |
none |
Specifies the input parameter name. |
|
scope |
request.parameter |
(optional) Specifies the scope in which the input parameter can be present. Allowed values are context.attribute, request.header, request.parameter, request.cookie, session.id, and session.attribute. |
- © 2010, Oracle Corporation and/or its affiliates