ChainedValueProvider

java.lang.Object

nl.jqno.equalsverifier.internal.valueproviders.ChainedValueProvider

All Implemented Interfaces:: ValueProvider

public class ChainedValueProvider extends Object implements ValueProvider

Provider of prefabricated instances of classes, delegating to other ValueProviders in sequence.

Field Summary

Fields

Modifier and Type

Field

Description

private final List<ValueProvider>

providers
Constructor Summary

Constructors

Constructor

Description

ChainedValueProvider(ValueProvider... providers)

Constructor.
Method Summary

Modifier and Type

Method

Description

<T> Optional<Tuple<T>>

provide(TypeTag tag, Attributes attributes)

Returns a tuple of two different prefabricated values of the specified type.

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

Methods inherited from interface nl.jqno.equalsverifier.internal.valueproviders.ValueProvider
provideOrThrow

Field Details
- providers
  
  private final List<ValueProvider> providers
Constructor Details
- ChainedValueProvider
  
  public ChainedValueProvider(ValueProvider... providers)
  
  Constructor.
  
  Parameters:
  
  providers - A list of ValueProviders that are checked in turn for a value.
Method Details
- provide
  
  public <T> Optional<Tuple<T>> provide(TypeTag tag, Attributes attributes)
  
  Returns a tuple of two different prefabricated values of the specified type.
  
  Specified by:
  
  provide in interface ValueProvider
  
  Type Parameters:
  
  T - The returned tuple will have this generic type.
  
  Parameters:
  
  tag - A description of the desired type, including generic parameters.
  
  attributes - The attributes of the field that the provided values must be linked to.
  
  Returns:
  
  A tuple of two different values of the given type, or an empty Optional if none could be found.