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

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

public class BoolExpressionNode

extends ExpressionNode

Constructor Summary

BoolExpressionNode()

BoolExpressionNode(BooleanOperator operator, ExpressionNode leftChild)

BoolExpressionNode(BooleanOperator operator, ExpressionNode leftChild, ExpressionNode rightChild)

Method Summary

boolean	eval(ServiceObject sObject) NOTE: Do not use this function.
int	eval(ServiceObject sObject, java.util.ArrayList ncAttribs) NOTE: Do not use this function.
java.lang.Object	getLeftChild() Get the left child of this node.
Operator	getOperator() Get this nodes Operator.
java.lang.Object	getRightChild() Get the right child of this node.
void	setLeftChild(ExpressionNode leftChild)
void	setOperator(BooleanOperator operator)
void	setRightChild(ExpressionNode rightChild)

Methods inherited from class java.lang.Object

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

Constructor Detail

BoolExpressionNode

public BoolExpressionNode()

BoolExpressionNode

public BoolExpressionNode(BooleanOperator operator,
                          ExpressionNode leftChild,
                          ExpressionNode rightChild)

BoolExpressionNode

public BoolExpressionNode(BooleanOperator operator,
                          ExpressionNode leftChild)

Method Detail

getOperator

public final Operator getOperator()

Description copied from class: ExpressionNode

Get this nodes Operator.

Overrides:

getOperator in class ExpressionNode

Following copied from class: edu.cmu.aura.service.query.ExpressionNode

Returns:

this node's Operator.

setOperator

public final void setOperator(BooleanOperator operator)

eval

public final boolean eval(ServiceObject sObject)
                   throws EvaluationException

Description copied from class: ExpressionNode

NOTE: Do not use this function. It is for internal use only. Evaluate the expression at this node.

Overrides:

eval in class ExpressionNode

Following copied from class: edu.cmu.aura.service.query.ExpressionNode

Parameters:

sObject - the ServiceObject to evaluate this expression node on.

Returns:

the value obtained by evaluating this expression.

eval

public final int eval(ServiceObject sObject,
                      java.util.ArrayList ncAttribs)
               throws EvaluationException

Description copied from class: ExpressionNode

NOTE: Do not use this function. It is for internal use only. Evaluate the expression at this node.

Overrides:

eval in class ExpressionNode

Following copied from class: edu.cmu.aura.service.query.ExpressionNode

Parameters:

sObject - the ServiceObject to evaluate this expression node on.

Returns:

the value obtained by evaluating this expression.

getLeftChild

public final java.lang.Object getLeftChild()

Description copied from class: ExpressionNode

Get the left child of this node.

Overrides:

getLeftChild in class ExpressionNode

Following copied from class: edu.cmu.aura.service.query.ExpressionNode

Returns:

the left child of this node.

getRightChild

public final java.lang.Object getRightChild()

Description copied from class: ExpressionNode

Get the right child of this node.

Overrides:

getRightChild in class ExpressionNode

Following copied from class: edu.cmu.aura.service.query.ExpressionNode

Returns:

the right child of this node.

setLeftChild

public final void setLeftChild(ExpressionNode leftChild)

setRightChild

public final void setRightChild(ExpressionNode rightChild)