com.graphbuilder.math

Class TermNode

java.lang.Object

com.graphbuilder.math.Expression

com.graphbuilder.math.TermNode

Direct Known Subclasses:

FuncNode, VarNode

public abstract class TermNode
extends Expression

A node of an expression tree that represents a variable or a function.

Field Summary

Fields

Modifier and Type	Field and Description
protected java.lang.String	name
protected boolean	negate

Fields inherited from class com.graphbuilder.math.Expression

parent

Constructor Summary

Constructors

Constructor and Description
TermNode(java.lang.String name, boolean negate)

Method Summary

Modifier and Type	Method and Description
java.lang.String	getName() Returns the name of the term.
boolean	getNegate() Returns true if the term should negate the result before returning it in the eval method.
private static boolean	isValidName(java.lang.String s)
void	setName(java.lang.String s) Sets the name of the term.
void	setNegate(boolean b)

Methods inherited from class com.graphbuilder.math.Expression

checkBeforeAccept, eval, getFunctionNames, getParent, getVariableNames, isDescendent, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

name

protected java.lang.String name

negate

protected boolean negate

Constructor Detail

TermNode

public TermNode(java.lang.String name,
                boolean negate)

Method Detail

getNegate

public boolean getNegate()

Returns true if the term should negate the result before returning it in the eval method.

setNegate

public void setNegate(boolean b)

getName

public java.lang.String getName()

Returns the name of the term.

setName

public void setName(java.lang.String s)

Sets the name of the term. Valid names must not begin with a digit or a decimal, and must not contain round brackets, operators, commas or whitespace.

Throws:

java.lang.IllegalArgumentException - If the name is null or invalid.

isValidName

private static boolean isValidName(java.lang.String s)