uba.db.sql.language
Class AndSelectionCriteria

java.lang.Object
  uba.db.sql.language.SelectionCriteriaBehavior
      uba.db.sql.language.BinarySelectionCriteriaBehavior
          uba.db.sql.language.AndSelectionCriteria

All Implemented Interfaces:

SelectionCriteria, Visitable

public class AndSelectionCriteria
extends BinarySelectionCriteriaBehavior

Representa un AND, en la clausa WHERE de una sentencia SQL.

Version:

$Revision: 1.6 $

Constructor Summary

AndSelectionCriteria(SelectionCriteria left, SelectionCriteria right)

Method Summary

void	accept(Visitor visitor) Este método es enviado para aceptar un visitor, las clases concretas deben enviar el mensaje "visit" correspondiente.
boolean	equals(java.lang.Object obj)
int	hashCode()
protected java.lang.String	operatorAsString() Las subclases deben implementar este método retornando la representacion en String del operador que representan.
java.lang.Object	valueWith(EvaluationContext context)

Methods inherited from class uba.db.sql.language.BinarySelectionCriteriaBehavior

left, right, toString

Methods inherited from class uba.db.sql.language.SelectionCriteriaBehavior

and, andAfter, isTrueWith, not, or, orAfter

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

AndSelectionCriteria

public AndSelectionCriteria(SelectionCriteria left,
                            SelectionCriteria right)

Parameters:

left - termino izquierdo.

right - termino derecho.

Method Detail

accept

public void accept(Visitor visitor)

Description copied from interface: Visitable

Este método es enviado para aceptar un visitor, las clases concretas deben enviar el mensaje "visit" correspondiente.

Parameters:

visitor - una instancia de visitor (que no debe ser null).

See Also:

Visitable.accept(uba.db.sql.language.Visitor)

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

See Also:

Object.equals(java.lang.Object)

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

See Also:

Object.hashCode()

operatorAsString

protected java.lang.String operatorAsString()

Description copied from class: BinarySelectionCriteriaBehavior

Las subclases deben implementar este método retornando la representacion en String del operador que representan.

Specified by:

operatorAsString in class BinarySelectionCriteriaBehavior

See Also:

BinarySelectionCriteriaBehavior.operatorAsString()

valueWith

public java.lang.Object valueWith(EvaluationContext context)

See Also:

SelectionCriteria.valueWith(uba.db.sql.language.EvaluationContext)