Package hec.hecmath.computation

Class Condition

java.lang.Object

hec.hecmath.computation.Condition

All Implemented Interfaces:

Constants, Testable, Updatable, UpdatableListener

public class Condition
extends Object
implements Constants, Testable

Nested Class Summary

Nested classes/interfaces inherited from interface hec.hecmath.computation.Constants

Constants.LogicTestOperator, Constants.MathOperator, Constants.Notation, Constants.Precedence, Constants.QualityOperator, Constants.QualityTestOperator, Constants.TextOperator, Constants.TextTestOperator, Constants.ValueTestOperator

Field Summary

Fields

Modifier and Type	Field	Description
protected Testable	condition
protected String	inputText
protected boolean	stale
protected Set<UpdatableListener>	updateListeners
protected Object	updateListenersLock
protected Set<Updatable>	updateSources
protected Object	updateSourcesLock
protected VariableSet	variables

Fields inherited from interface hec.hecmath.computation.Constants

BINARY, CONSTANT, TERNARY, UNARY, VARIADIC

Constructor Summary

Constructors

Constructor	Description
Condition(String expr)
Condition(String expr, VariableSet variables)

Method Summary

Modifier and Type	Method	Description
protected Testable	buildCondition(String expr)
void	dataUpdated(Updatable u)
VariableSet	getVariables()
static void	main(String[] args)
protected static String	normalizeParentheses(String expr)
void	notifyListeners()
void	registerAsListener(Updatable u)
void	registerListener(UpdatableListener listener)
protected void	setCondition(String expr)
boolean	test()
String	toString()
void	unregisterAsListener()
void	unregisterAsListener(Updatable u)
void	unregisterListener(UpdatableListener listener)

Methods inherited from class java.lang.Object

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

Field Details

inputText

protected String inputText

condition

protected Testable condition

updateListeners

protected Set<UpdatableListener> updateListeners

updateListenersLock

protected Object updateListenersLock

updateSources

protected Set<Updatable> updateSources

updateSourcesLock

protected Object updateSourcesLock

stale

protected boolean stale

variables

protected VariableSet variables

Constructor Details

Condition

public Condition(String expr)
          throws ComputationException

Throws:

ComputationException

Condition

public Condition(String expr,
 VariableSet variables)
          throws ComputationException

Throws:

ComputationException

Method Details

normalizeParentheses

protected static String normalizeParentheses(String expr)

getVariables

public VariableSet getVariables()

test

public boolean test()
             throws ComputationException

Specified by:

test in interface Testable

Throws:

ComputationException

registerListener

public void registerListener(UpdatableListener listener)

Specified by:

registerListener in interface Updatable

unregisterListener

public void unregisterListener(UpdatableListener listener)

Specified by:

unregisterListener in interface Updatable

notifyListeners

public void notifyListeners()

Specified by:

notifyListeners in interface Updatable

registerAsListener

public void registerAsListener(Updatable u)

Specified by:

registerAsListener in interface UpdatableListener

unregisterAsListener

public void unregisterAsListener(Updatable u)

Specified by:

unregisterAsListener in interface UpdatableListener

unregisterAsListener

public void unregisterAsListener()

Specified by:

unregisterAsListener in interface UpdatableListener

dataUpdated

public void dataUpdated(Updatable u)

Specified by:

dataUpdated in interface UpdatableListener

toString

public String toString()

Specified by:

toString in interface Testable

Overrides:

toString in class Object

setCondition

protected void setCondition(String expr)
                     throws ComputationException

Throws:

ComputationException

buildCondition

protected Testable buildCondition(String expr)
                           throws ComputationException

Parameters:

expr -

Returns:

Throws:

ComputationException

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception