Package org.jeasy.random

Class EasyRandom

java.lang.Object

java.util.Random

org.jeasy.random.EasyRandom

All Implemented Interfaces:

Serializable, java.util.random.RandomGenerator

public class EasyRandom
extends Random

Extension of Random that is able to generate random Java objects.

Author:

Mahmoud Ben Hassine ([email protected])

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.random.RandomGenerator

java.util.random.RandomGenerator.ArbitrarilyJumpableGenerator, java.util.random.RandomGenerator.JumpableGenerator, java.util.random.RandomGenerator.LeapableGenerator, java.util.random.RandomGenerator.SplittableGenerator, java.util.random.RandomGenerator.StreamableGenerator

Constructor Summary

Constructors

Constructor	Description
EasyRandom()	Create a new EasyRandom instance with default parameters.
EasyRandom(EasyRandomParameters easyRandomParameters)	Create a new EasyRandom instance.

Method Summary

Modifier and Type	Method	Description
<T> T	nextObject(Class<T> type)	Generate a random instance of the given type.
<T> java.util.stream.Stream<T>	objects(Class<T> type, int streamSize)	Generate a stream of random instances of the given type.

Methods inherited from class java.util.Random

doubles, doubles, doubles, doubles, ints, ints, ints, ints, longs, longs, longs, longs, next, nextBoolean, nextBytes, nextDouble, nextFloat, nextGaussian, nextInt, nextInt, nextLong, setSeed

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.random.RandomGenerator

isDeprecated, nextDouble, nextDouble, nextExponential, nextFloat, nextFloat, nextGaussian, nextInt, nextLong, nextLong

Constructor Details

EasyRandom

public EasyRandom()

Create a new EasyRandom instance with default parameters.

EasyRandom

public EasyRandom(EasyRandomParameters easyRandomParameters)

Create a new EasyRandom instance.

Parameters:

easyRandomParameters - randomization parameters

Method Details

nextObject

public <T> T nextObject(Class<T> type)

Generate a random instance of the given type.

Type Parameters:

T - the actual type of the target object

Parameters:

type - the type for which an instance will be generated

Returns:

a random instance of the given type

Throws:

ObjectCreationException - when unable to create a new instance of the given type

objects

public <T> java.util.stream.Stream<T> objects(Class<T> type,
 int streamSize)

Generate a stream of random instances of the given type.

Type Parameters:

T - the actual type of the target objects

Parameters:

type - the type for which instances will be generated

streamSize - the number of instances to generate

Returns:

a stream of random instances of the given type

Throws:

ObjectCreationException - when unable to create a new instance of the given type