Bool (Openllet :: Core 2.6.5 API)

java.lang.Object
- openllet.core.utils.Bool

```
public class Bool
extends java.lang.Object
```
Implementation of boolean that can be in unknow state : TRUE/FALSE/UNKNOWN

Field Summary

Fields
Modifier and Type Field Description

static Bool FALSE

static Bool TRUE

static Bool UNKNOWN

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Bool`	`and(Bool other)`
`static Bool`	`create(boolean value)`
`boolean`	`isFalse()`
`boolean`	`isKnown()`
`boolean`	`isTrue()`
`boolean`	`isUnknown()`
`Bool`	`not()`
`Bool`	`or(Bool other)`
`java.lang.String`	`toString()`

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

FALSE
```
public static final Bool FALSE
```

TRUE
```
public static final Bool TRUE
```

UNKNOWN
```
public static final Bool UNKNOWN
```

Method Detail

create

public static Bool create(boolean value)

not
```
public Bool not()
```

or
```
public Bool or(Bool other)
```

and
```
public Bool and(Bool other)
```

isTrue
```
public boolean isTrue()
```

isFalse
```
public boolean isFalse()
```

isUnknown
```
public boolean isUnknown()
```

isKnown
```
public boolean isKnown()
```

toString
```
public java.lang.String toString()
```
Overrides:

toString in class java.lang.Object