org.basex.query.util
Class Vars

java.lang.Object
  org.basex.query.ExprInfo
      org.basex.query.util.Vars

public final class Vars
extends ExprInfo

Variables.

Author:

Workgroup DBIS, University of Konstanz 2005-09, ISC License, Christian Gruen

Field Summary

int	size Number of stored variables.
Var[]	vars Variable expressions.

Constructor Summary

Vars()

Method Summary

java.lang.String	color() Returns a string description of the expression.
Var	get(Var v) Finds and returns the specified variable.
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

info, name

Methods inherited from class java.lang.Object

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

Field Detail

vars

public Var[] vars

Variable expressions.

size

public int size

Number of stored variables.

Constructor Detail

Vars

public Vars()

Method Detail

get

public Var get(Var v)

Finds and returns the specified variable.

Parameters:

v - variable

Returns:

variable

color

public java.lang.String color()

Description copied from class: ExprInfo

Returns a string description of the expression. Contrary to the ExprInfo.toString() method, the current expressions aren't included in the output.

Overrides:

color in class ExprInfo

Returns:

result of check

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