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

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

Direct Known Subclasses:

BooleanOperator, LeafOperator

public abstract class Operator

extends java.lang.Object

FIXME

Field Summary

static int	FALSE
static int	TRUE
static int	UNKNOWN

Constructor Summary

Operator()

Method Summary

boolean	eval(boolean b1)
boolean	eval(boolean b1, boolean b2)
int	eval(int b1)
int	eval(int b1, int b2)
boolean	eval(java.lang.Object o1)
int	eval(java.lang.Object o1, java.util.ArrayList ncAttribs)
boolean	eval(java.lang.Object o1, java.lang.Object o2)
int	eval(java.lang.Object o1, java.lang.Object o2, java.util.ArrayList ncAttribs)
abstract boolean	isUnary()

Methods inherited from class java.lang.Object

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

Field Detail

TRUE

public static final int TRUE

FALSE

public static final int FALSE

UNKNOWN

public static final int UNKNOWN

Constructor Detail

Operator

public Operator()

Method Detail

eval

public boolean eval(java.lang.Object o1,
                    java.lang.Object o2)
             throws EvaluationException

eval

public boolean eval(java.lang.Object o1)
             throws EvaluationException

eval

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

eval

public boolean eval(boolean b1)
             throws EvaluationException

eval

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

eval

public int eval(int b1)
         throws EvaluationException

eval

public int eval(java.lang.Object o1,
                java.lang.Object o2,
                java.util.ArrayList ncAttribs)
         throws EvaluationException

eval

public int eval(java.lang.Object o1,
                java.util.ArrayList ncAttribs)
         throws EvaluationException

isUnary

public abstract boolean isUnary()