UnknownToken

java.lang.Object
- ptolemy.data.Token
- - ptolemy.data.expr.UnknownToken

```
public class UnknownToken
extends Token
```
This is a token that reports its type as "unknown." Otherwise, this class is identical to its parent class. The constant named unknown (defined in the Constants class) is an instance of this token.

Since:

Ptolemy II 2.0

Version:

$Id$

Author:

Edward A. Lee

See Also:

Constants

Pt.AcceptedRating:

Red (wbwu)

Pt.ProposedRating:

Yellow (yuhong)

- Field Summary
  - Fields inherited from class ptolemy.data.Token
    NIL
- Constructor Summary
  
  Constructors
  Constructor Description
  
  UnknownToken()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  Type getType()
  Return the type of this token.
  - Methods inherited from class ptolemy.data.Token
    add, addReverse, divide, divideReverse, isCloseTo, isCloseTo, isEqualTo, isNil, modulo, moduloReverse, multiply, multiplyReverse, notSupportedConversionMessage, notSupportedIncomparableConversionMessage, notSupportedIncomparableMessage, notSupportedMessage, notSupportedNullNilStringMessage, one, pow, subtract, subtractReverse, toString, zero, zeroReturnType
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - UnknownToken
```
public UnknownToken()
```
- Method Detail
  - getType
```
public Type getType()
```
    Return the type of this token.
    
    Overrides:
    
    getType in class Token
    
    Returns:
    
    BaseType.UNKNOWN.