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java.lang.Object org.ucl.xpath.function.Function org.ucl.xpath.function.FnRoot
Returns the root of the tree to which $arg belongs. This will usually, but not necessarily, be a document node.
Field Summary |
Fields inherited from class org.ucl.xpath.function.Function |
_arity, _fl, _name |
Constructor Summary | |
FnRoot()
Constructor for FnRoot. |
Method Summary | |
ResultSequence |
evaluate(java.util.Collection args)
Evaluate arguments. |
static ResultSequence |
fn_root(ResultSequence arg,
DynamicContext dc)
Root operation. |
Methods inherited from class org.ucl.xpath.function.Function |
arity, convert_argument, convert_arguments, dynamic_context, name, set_function_library, signature, signature, signature, static_context |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public FnRoot()
Method Detail |
public ResultSequence evaluate(java.util.Collection args) throws DynamicError
evaluate
in class Function
args
- argument expressions.
DynamicError
- Dynamic error.public static ResultSequence fn_root(ResultSequence arg, DynamicContext dc) throws DynamicError
arg
- Result from the expressions evaluation.dc
- Result of dynamic context operation.
DynamicError
- Dynamic error.
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