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/*
* Copyright 2015-2020 the original author or authors.
*
* All rights reserved. This program and the accompanying materials are
* made available under the terms of the Eclipse Public License v2.0 which
* accompanies this distribution and is available at
*
* https://www.eclipse.org/legal/epl-v20.html
*/
package org.junit.jupiter.api;
import static org.apiguardian.api.API.Status.EXPERIMENTAL;
import static org.apiguardian.api.API.Status.STABLE;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.util.List;
import java.util.Optional;
import org.apiguardian.api.API;
/**
* {@code MethodDescriptor} encapsulates functionality for a given {@link Method}.
*
* @since 5.4
* @see MethodOrdererContext
*/
@API(status = STABLE, since = "5.7")
public interface MethodDescriptor {
/**
* Get the method for this descriptor.
*
* @return the method; never {@code null}
*/
Method getMethod();
/**
* Get the display name for this descriptor's {@link #getMethod() method}.
*
* @return the display name for this descriptor's method; never {@code null}
* or blank
* @since 5.7
*/
@API(status = EXPERIMENTAL, since = "5.7")
String getDisplayName();
/**
* Determine if an annotation of {@code annotationType} is either
* present or meta-present on the {@link Method} for
* this descriptor.
*
* @param annotationType the annotation type to search for; never {@code null}
* @return {@code true} if the annotation is present or meta-present
* @see #findAnnotation(Class)
* @see #findRepeatableAnnotations(Class)
*/
boolean isAnnotated(Class annotationType);
/**
* Find the first annotation of {@code annotationType} that is either
* present or meta-present on the {@link Method} for
* this descriptor.
*
* @param the annotation type
* @param annotationType the annotation type to search for; never {@code null}
* @return an {@code Optional} containing the annotation; never {@code null} but
* potentially empty
* @see #isAnnotated(Class)
* @see #findRepeatableAnnotations(Class)
*/
Optional findAnnotation(Class annotationType);
/**
* Find all repeatable {@linkplain Annotation annotations} of
* {@code annotationType} that are either present or
* meta-present on the {@link Method} for this descriptor.
*
* @param the annotation type
* @param annotationType the repeatable annotation type to search for; never
* {@code null}
* @return the list of all such annotations found; neither {@code null} nor
* mutable, but potentially empty
* @see #isAnnotated(Class)
* @see #findAnnotation(Class)
* @see java.lang.annotation.Repeatable
*/
List findRepeatableAnnotations(Class annotationType);
}