org.junit.gen5.engine.junit5.extension

Class ExtensionRegistry

java.lang.Object

org.junit.gen5.engine.junit5.extension.ExtensionRegistry

@API(value=Internal)
public class ExtensionRegistry
extends java.lang.Object

An ExtensionRegistry holds all registered extensions (i.e. instances of ExtensionPoint) for a given Container or Leaf.

A registry has a reference to its parent registry, and all lookups are performed first in the current registry itself and then in its parent and thereby all its ancestors.

Since:

5.0

See Also:

ExtensionPointRegistry, ExtensionRegistrar

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ExtensionRegistry.ApplicationOrder

Constructor Summary

Constructors

Constructor and Description
ExtensionRegistry()

Method Summary

Modifier and Type	Method and Description
static ExtensionRegistry	newRegistryFrom(ExtensionRegistry parentRegistry, java.util.List<java.lang.Class<? extends org.junit.gen5.api.extension.Extension>> extensionTypes) Factory for creating and populating a new registry from a list of extension types and a parent registry.
void	registerExtensionPoint(org.junit.gen5.api.extension.ExtensionPoint extension, java.lang.Object source)
<E extends org.junit.gen5.api.extension.ExtensionPoint> java.util.stream.Stream<RegisteredExtensionPoint<E>>	stream(java.lang.Class<E> extensionPointType, ExtensionRegistry.ApplicationOrder order) Return a stream for iterating over all registered extension points of the specified type.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExtensionRegistry

public ExtensionRegistry()

Method Detail

newRegistryFrom

public static ExtensionRegistry newRegistryFrom(ExtensionRegistry parentRegistry,
                                                java.util.List<java.lang.Class<? extends org.junit.gen5.api.extension.Extension>> extensionTypes)

Factory for creating and populating a new registry from a list of extension types and a parent registry.

Parameters:

parentRegistry - the parent registry to be used

extensionTypes - the types of extensions to be registered in the new registry

Returns:

a new ExtensionRegistry

stream

public <E extends org.junit.gen5.api.extension.ExtensionPoint> java.util.stream.Stream<RegisteredExtensionPoint<E>> stream(java.lang.Class<E> extensionPointType,
                                                                                                                           ExtensionRegistry.ApplicationOrder order)

Return a stream for iterating over all registered extension points of the specified type.

Parameters:

extensionPointType - the type of ExtensionPoint to stream

order - the order in which to apply the extension points after sorting

registerExtensionPoint

public void registerExtensionPoint(org.junit.gen5.api.extension.ExtensionPoint extension,
                                   java.lang.Object source)