org.basex.query.xquery.expr
Class Func

java.lang.Object
  org.basex.query.ExprInfo
      org.basex.query.xquery.expr.Func

public final class Func
extends ExprInfo

User defined function.

Author:

Workgroup DBIS, University of Konstanz 2005-08, ISC License, Christian Gruen

Field Summary

Var[]	args Arguments.
boolean	decl Declaration flag.
Expr	expr Function expression.
Var	var Function name, including return type.

Constructor Summary

Func(Var v, Var[] a, boolean d)
Function constructor.

Method Summary

void	comp(XQContext ctx) Compiles the function.
void	plan(Serializer ser) Recursively sends the abstract syntax of this expression to the specified serializer.
java.lang.String	toString()

Methods inherited from class org.basex.query.ExprInfo

color, info, name

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

var

public Var var

Function name, including return type.

args

public Var[] args

Arguments.

expr

public Expr expr

Function expression.

decl

public boolean decl

Declaration flag.

Constructor Detail

Func

public Func(Var v,
            Var[] a,
            boolean d)

Function constructor.

Parameters:

v - function name

a - arguments

d - declaration flag

Method Detail

comp

public void comp(XQContext ctx)
          throws XQException

Compiles the function.

Parameters:

ctx - xquery context

Throws:

XQException - xquery exception

toString

public java.lang.String toString()

Specified by:

toString in class ExprInfo

plan

public void plan(Serializer ser)
          throws java.io.IOException

Description copied from class: ExprInfo

Recursively sends the abstract syntax of this expression to the specified serializer.

Specified by:

plan in class ExprInfo

Parameters:

ser - serializer

Throws:

java.io.IOException - exception