RandomNumberOperation (Integrity Test Framework - Javadoc 22.1.4 API)

java.lang.Object
- de.gebit.integrity.runner.operations.RandomNumberOperation

All Implemented Interfaces:

Operation<Object,Integer,BigDecimal>
```
public class RandomNumberOperation
extends Object
implements Operation<Object,Integer,BigDecimal>
```
A random number generator. This one is special in several respects: it is automatically seeded on execution start, it caches randoms determined for every custom operation instance, and its seed is forwarded to forks to ensure their randomness is in sync with that of the master. All of this is required to safely work with random elements in Integrity tests. This operation doesn't have any input parameters, it just returns a random decimal number between 0 and 1.

Author:

Rene Schneider - initial API and implementation

Constructor Summary

Constructors
Constructor Description

RandomNumberOperation()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`BigDecimal`	`execute(Object aPrefixParameter, Integer aPostfixParameter)`	Executes the operation logic.
`static long`	`getSeed()`
`static void`	`seed(Long aSeed)`	Sets a new seed and reseeds the RNG.

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

- Constructor Detail
  - RandomNumberOperation
```
public RandomNumberOperation()
```
- Method Detail
  - seed
```
public static void seed(Long aSeed)
```
    Sets a new seed and reseeds the RNG.
    
    Parameters:
    
    aSeed -
  - getSeed
```
public static long getSeed()
```
  - execute
```
public BigDecimal execute(Object aPrefixParameter,
                          Integer aPostfixParameter)
```
    Description copied from interface: Operation
    
    Executes the operation logic.
    
    Specified by:
    
    execute in interface Operation<Object,Integer,BigDecimal>
    
    Parameters:
    
    aPrefixParameter - the prefix parameter, or null if none was given or the value is not available at the time of the call
    
    aPostfixParameter - the postfix parameter, or null if none was given or the value is not available at the time of the call
    
    Returns:
    
    the result value