Random

java.lang.Object
- org.projog.core.math.AbstractArithmeticOperator
- - org.projog.core.math.builtin.Random

All Implemented Interfaces:

KnowledgeBaseConsumer, ArithmeticOperator, PreprocessableArithmeticOperator
```
public final class Random
extends AbstractArithmeticOperator
```
random(X) Evaluate to a random integer i for which 0 =< i < X.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  Random()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  Numeric calculate(Numeric n)
  
  protected boolean isPure()
  Random is not pure.
  - Methods inherited from class org.projog.core.math.AbstractArithmeticOperator
    calculate, calculate, preprocess, setKnowledgeBase
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Random
```
public Random()
```
- Method Detail
  - calculate
```
public Numeric calculate(Numeric n)
```
    Overrides:
    
    calculate in class AbstractArithmeticOperator
  - isPure
```
protected boolean isPure()
```
    Random is not pure. Multiple calls with the same argument do not produce identical results.
    
    Overrides:
    
    isPure in class AbstractArithmeticOperator
    
    Returns:
    
    true if pure and so can be preprocessed, else false