org.basex.query.xpath.func
Class Nodes
java.lang.Object
org.basex.query.ExprInfo
org.basex.query.xpath.expr.Expr
org.basex.query.xpath.func.Func
org.basex.query.xpath.func.Nodes
public final class Nodes
- extends Func
Constructor for implementation specific nodes() function; returns
a node set with the pre nodes specified in the argument literal.
- Author:
- Workgroup DBIS, University of Konstanz 2005-08, ISC License, Christian Gruen
Field Summary |
static java.lang.String |
NAME
Name of function. |
Fields inherited from class org.basex.query.xpath.func.Func |
desc |
Constructor Summary |
Nodes(Expr[] arg)
Function Constructor. |
Method Summary |
boolean |
checkArguments()
Checks validity/number of arguments. |
Nod |
eval(XPContext ctx)
Evaluates the expression with the specified context set. |
Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
NAME
public static final java.lang.String NAME
- Name of function.
Nodes
public Nodes(Expr[] arg)
- Function Constructor.
- Parameters:
arg
- expression array
eval
public Nod eval(XPContext ctx)
throws QueryException
- Description copied from class:
Expr
- Evaluates the expression with the specified context set. Additionally
provides a context
- Specified by:
eval
in class Expr
- Parameters:
ctx
- query context
- Returns:
- resulting XPathValue
- Throws:
QueryException
- evaluation exception
checkArguments
public boolean checkArguments()
- Description copied from class:
Func
- Checks validity/number of arguments.
- Specified by:
checkArguments
in class Func
- Returns:
- result of comparison