io.github.benas.randombeans.api

Class EnhancedRandom

java.lang.Object

java.util.Random

io.github.benas.randombeans.api.EnhancedRandom

All Implemented Interfaces:

Serializable

public abstract class EnhancedRandom
extends Random

Abstract class for random object generator.

Author:

Mahmoud Ben Hassine ([email protected])

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
EnhancedRandom()

Method Summary

Modifier and Type	Method and Description
abstract <T> T	nextObject(Class<T> type, String... excludedFields) Generate a random instance of the given type.
abstract <T> java.util.stream.Stream<T>	objects(Class<T> type, int amount, String... excludedFields) Generate a stream of random instances of the given type.
static <T> T	random(Class<T> type, String... excludedFields) Generate a random instance of the given type.
static <T> Collection<T>	randomCollectionOf(int amount, Class<T> type, String... excludedFields) Generate a Collection of random instances of the given type.
static <T> List<T>	randomListOf(int amount, Class<T> type, String... excludedFields) Generate a List of random instances of the given type.
static <T> Set<T>	randomSetOf(int amount, Class<T> type, String... excludedFields) Generate a Set of random instances of the given type.
static <T> java.util.stream.Stream<T>	randomStreamOf(int amount, Class<T> type, String... excludedFields) 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

Constructor Detail

EnhancedRandom

public EnhancedRandom()

Method Detail

random

public static <T> T random(Class<T> type,
                           String... excludedFields)

Generate a random instance of the given type.

Type Parameters:

T - the target type

Parameters:

type - the target class type

excludedFields - the name of fields to exclude

Returns:

a random instance of the given type

randomStreamOf

public static <T> java.util.stream.Stream<T> randomStreamOf(int amount,
                                                            Class<T> type,
                                                            String... excludedFields)

Generate a stream of random instances of the given type.

Type Parameters:

T - the actual type of the target objects

Parameters:

amount - the number of instances to generate

type - the type for which instances will be generated

excludedFields - the name of fields to exclude

Returns:

a stream of random instances of the given type

Throws:

ObjectGenerationException - when unable to populate an instance of the given type

randomListOf

public static <T> List<T> randomListOf(int amount,
                                       Class<T> type,
                                       String... excludedFields)

Generate a List of random instances of the given type.

Type Parameters:

T - the actual type of the target objects

Parameters:

amount - the number of instances to generate

type - the type for which instances will be generated

excludedFields - the name of fields to exclude

Returns:

a list of random instances of the given type

Throws:

ObjectGenerationException - when unable to populate an instance of the given type

randomSetOf

public static <T> Set<T> randomSetOf(int amount,
                                     Class<T> type,
                                     String... excludedFields)

Generate a Set of random instances of the given type.

Type Parameters:

T - the actual type of the target objects

Parameters:

amount - the number of instances to generate

type - the type for which instances will be generated

excludedFields - the name of fields to exclude

Returns:

a set of random instances of the given type

Throws:

ObjectGenerationException - when unable to populate an instance of the given type

randomCollectionOf

public static <T> Collection<T> randomCollectionOf(int amount,
                                                   Class<T> type,
                                                   String... excludedFields)

Generate a Collection of random instances of the given type.

Type Parameters:

T - the actual type of the target objects

Parameters:

amount - the number of instances to generate

type - the type for which instances will be generated

excludedFields - the name of fields to exclude

Returns:

a collection of random instances of the given type

Throws:

ObjectGenerationException - when unable to populate an instance of the given type

nextObject

public abstract <T> T nextObject(Class<T> type,
                                 String... excludedFields)

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

excludedFields - the name of fields to exclude

Returns:

a random instance of the given type

Throws:

ObjectGenerationException - when unable to populate an instance of the given type

objects

public abstract <T> java.util.stream.Stream<T> objects(Class<T> type,
                                                       int amount,
                                                       String... excludedFields)

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

amount - the number of instances to generate

excludedFields - the name of fields to exclude

Returns:

a stream of random instances of the given type

Throws:

ObjectGenerationException - when unable to populate an instance of the given type