org.basex.query.xquery.expr
Class CDoc

java.lang.Object
  extended by org.basex.query.xquery.expr.Expr
      extended by org.basex.query.xquery.expr.CDoc

public final class CDoc
extends Expr

Document fragment.

Author:
Workgroup DBIS, University of Konstanz 2005-07, ISC License, Christian Gruen

Field Summary
 
Fields inherited from class org.basex.query.xquery.expr.Expr
type
 
Constructor Summary
CDoc(Expr e)
          Constructor.
 
Method Summary
 Expr comp(XQContext ctx)
          Optimizes and compiles the expression tree.
 Node eval(XQContext ctx)
          Evaluates the expression and returns the resulting item.
 java.lang.String info()
          Returns a string description of the expression.
 java.lang.String toString()
           
 
Methods inherited from class org.basex.query.xquery.expr.Expr
cls, d, e, i, n, node, s, size, str, u
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

CDoc

public CDoc(Expr e)
Constructor.

Parameters:
e - expression
Method Detail

comp

public Expr comp(XQContext ctx)
          throws XQException
Description copied from class: Expr
Optimizes and compiles the expression tree.

Specified by:
comp in class Expr
Parameters:
ctx - query context
Returns:
optimized Expression
Throws:
XQException - evaluation exception

eval

public Node eval(XQContext ctx)
          throws XQException
Description copied from class: Expr
Evaluates the expression and returns the resulting item.

Specified by:
eval in class Expr
Parameters:
ctx - query context
Returns:
resulting item
Throws:
XQException - evaluation exception

info

public java.lang.String info()
Description copied from class: Expr
Returns a string description of the expression. Contrary to the Expr.toString() method, the current expressions aren't included in the output.

Specified by:
info in class Expr
Returns:
result of check

toString

public java.lang.String toString()
Specified by:
toString in class Expr