|
BEA Systems, Inc. | ||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||||
SUMMARY: INNER | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Object | +--weblogic.apache.xpath.Expression | +--weblogic.apache.xpath.functions.Function | +--weblogic.apache.xpath.functions.FuncExtFunction
An object of this class represents an extension call expression. When the expression executes, it calls ExtensionsTable#extFunction, and then converts the result to the appropriate XObject.
Fields inherited from class weblogic.apache.xpath.Expression |
m_slocator |
Constructor Summary | |
FuncExtFunction(java.lang.String namespace,
java.lang.String extensionName,
java.lang.Object methodKey)
Create a new FuncExtFunction based on the qualified name of the extension, and a unique method key. |
Method Summary | |
void |
checkNumberArgs(int argNum)
Check that the number of arguments passed to this function is correct. |
XObject |
execute(XPathContext xctxt)
Execute the function. |
void |
setArg(Expression arg,
int argNum)
Set an argument expression for a function. |
Methods inherited from class weblogic.apache.xpath.Expression |
assert,
canTraverseOutsideSubtree,
error,
setSourceLocator,
warn |
Methods inherited from class java.lang.Object |
clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait |
Constructor Detail |
public FuncExtFunction(java.lang.String namespace, java.lang.String extensionName, java.lang.Object methodKey)
namespace
- The namespace for the extension function, which should
not normally be null or empty.extensionName
- The local name of the extension.methodKey
- Unique method key, which is passed to
ExtensionsTable#extFunction in order to allow caching
of the method.Method Detail |
public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException
xctxt
- The current execution context.public void setArg(Expression arg, int argNum) throws WrongNumberArgsException
arg
- non-null expression that represents the argument.argNum
- The argument number index.public void checkNumberArgs(int argNum) throws WrongNumberArgsException
argNum
- The number of arguments that is being passed to the function.
|
Documentation is available at http://e-docs.bea.com/wls/docs61 |
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: INNER | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |