org.jscience.util
Class Trivaluate

java.lang.Object
  org.jscience.util.Trivaluate

public final class Trivaluate
extends java.lang.Object

A class representing a an Object which can take three values: true, false and unknown. It is therefore a kind of extended boolean.

Field Summary

static Trivaluate	FALSE DOCUMENT ME!
static Trivaluate	TRUE DOCUMENT ME!
static java.lang.Class	TYPE DOCUMENT ME!
static Trivaluate	UNKNOWN DOCUMENT ME!

Constructor Summary

Trivaluate(boolean value)
Creates a new Trivaluate object.

Trivaluate(java.lang.String s)
Creates a new Trivaluate object.

Method Summary

Trivaluate	and(Trivaluate t1, Trivaluate t2) DOCUMENT ME!
boolean	booleanValue() DOCUMENT ME!
boolean	equals(java.lang.Object obj) DOCUMENT ME!
static Trivaluate	getTrivaluate(java.lang.String name) DOCUMENT ME!
boolean	getValue() DOCUMENT ME!
int	hashCode() DOCUMENT ME!
boolean	isValuated() DOCUMENT ME!
void	not() DOCUMENT ME!
Trivaluate	not(Trivaluate t) DOCUMENT ME!
Trivaluate	or(Trivaluate t1, Trivaluate t2) DOCUMENT ME!
java.lang.String	toString() DOCUMENT ME!
static java.lang.String	toString(Trivaluate t) DOCUMENT ME!
static Trivaluate	valueOf(boolean b) DOCUMENT ME!
static Trivaluate	valueOf(java.lang.String s) DOCUMENT ME!

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

FALSE

public static Trivaluate FALSE

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TRUE

public static Trivaluate TRUE

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UNKNOWN

public static Trivaluate UNKNOWN

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TYPE

public static java.lang.Class TYPE

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Constructor Detail

Trivaluate

public Trivaluate(boolean value)

Creates a new Trivaluate object.

Parameters:

value - DOCUMENT ME!

Trivaluate

public Trivaluate(java.lang.String s)

Creates a new Trivaluate object.

Parameters:

s - DOCUMENT ME!

Method Detail

booleanValue

public boolean booleanValue()

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Returns:

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isValuated

public boolean isValuated()

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Returns:

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getValue

public boolean getValue()

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Returns:

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and

public Trivaluate and(Trivaluate t1,
                      Trivaluate t2)

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Parameters:

t1 - DOCUMENT ME!

t2 - DOCUMENT ME!

Returns:

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or

public Trivaluate or(Trivaluate t1,
                     Trivaluate t2)

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Parameters:

t1 - DOCUMENT ME!

t2 - DOCUMENT ME!

Returns:

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not

public Trivaluate not(Trivaluate t)

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Parameters:

t - DOCUMENT ME!

Returns:

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not

public void not()

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equals

public boolean equals(java.lang.Object obj)

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Overrides:

equals in class java.lang.Object

Parameters:

obj - DOCUMENT ME!

Returns:

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getTrivaluate

public static Trivaluate getTrivaluate(java.lang.String name)

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Parameters:

name - DOCUMENT ME!

Returns:

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hashCode

public int hashCode()

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Overrides:

hashCode in class java.lang.Object

Returns:

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toString

public java.lang.String toString()

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Overrides:

toString in class java.lang.Object

Returns:

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toString

public static java.lang.String toString(Trivaluate t)

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Parameters:

t - DOCUMENT ME!

Returns:

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valueOf

public static Trivaluate valueOf(boolean b)

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Parameters:

b - DOCUMENT ME!

Returns:

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valueOf

public static Trivaluate valueOf(java.lang.String s)

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Parameters:

s - DOCUMENT ME!

Returns:

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