edu.cmu.aura.service.query.expression
Class BooleanOperator

java.lang.Object
  |
  +--edu.cmu.aura.service.query.expression.Operator
        |
        +--edu.cmu.aura.service.query.expression.BooleanOperator

Direct Known Subclasses:

OpAnd, OpNot, OpOr

public abstract class BooleanOperator

extends Operator

Fields inherited from class edu.cmu.aura.service.query.expression.Operator

FALSE, TRUE, UNKNOWN

Constructor Summary

BooleanOperator()

Method Summary

boolean	eval(boolean b1)
boolean	eval(boolean b1, boolean b2)
int	eval(int b1, java.util.ArrayList ncAttribs)
int	eval(int b1, int b2, java.util.ArrayList ncAttribs)
abstract boolean	isUnary()

Methods inherited from class edu.cmu.aura.service.query.expression.Operator

eval, eval, eval, eval, eval, eval

Methods inherited from class java.lang.Object

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

Constructor Detail

BooleanOperator

public BooleanOperator()

Method Detail

eval

public boolean eval(boolean b1,
                    boolean b2)
             throws EvaluationException

Overrides:

eval in class Operator

eval

public boolean eval(boolean b1)
             throws EvaluationException

Overrides:

eval in class Operator

eval

public int eval(int b1,
                int b2,
                java.util.ArrayList ncAttribs)
         throws EvaluationException

eval

public int eval(int b1,
                java.util.ArrayList ncAttribs)
         throws EvaluationException

isUnary

public abstract boolean isUnary()

Overrides:

isUnary in class Operator