/*
 * Copyright 2015-2019 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
 *
 * http://www.eclipse.org/legal/epl-v20.html
 */

package org.junit.jupiter.api;

import static org.apiguardian.api.API.Status.EXPERIMENTAL;

import java.util.List;
import java.util.Optional;

import org.apiguardian.api.API;

MethodOrdererContext encapsulates the context in which a MethodOrderer will be invoked. 
See Also:
MethodOrderer
MethodDescriptor
Since:
5.4/**
 * {@code MethodOrdererContext} encapsulates the <em>context</em> in which
 * a {@link MethodOrderer} will be invoked.
 *
 * @since 5.4
 * @see MethodOrderer
 * @see MethodDescriptor
 */
@API(status = EXPERIMENTAL, since = "5.4")
public interface MethodOrdererContext {

	
Get the test class for this context.
Returns:
the test class; never null/**
	 * Get the test class for this context.
	 *
	 * @return the test class; never {@code null}
	 */
	Class<?> getTestClass();

	
Get the list of method descriptors to order. 
Returns:
the list of method descriptors; never null/**
	 * Get the list of {@linkplain MethodDescriptor method descriptors} to
	 * order.
	 *
	 * @return the list of method descriptors; never {@code null}
	 */
	List<? extends MethodDescriptor> getMethodDescriptors();

	
Get the configuration parameter stored under the specified key. 
If no such key is present in the ConfigurationParameters for the JUnit Platform, an attempt will be made to look up the value as a JVM system property. If no such system property exists, an attempt will be made to look up the value in the JUnit Platform properties file. 
Params:
key – the key to look up; never null or blank
See Also:
System.getProperty(String)
ConfigurationParameters
Returns:
an Optional containing the value; never null but potentially empty/**
	 * Get the configuration parameter stored under the specified {@code key}.
	 *
	 * <p>If no such key is present in the {@code ConfigurationParameters} for
	 * the JUnit Platform, an attempt will be made to look up the value as a
	 * JVM system property. If no such system property exists, an attempt will
	 * be made to look up the value in the JUnit Platform properties file.
	 *
	 * @param key the key to look up; never {@code null} or blank
	 * @return an {@code Optional} containing the value; never {@code null}
	 * but potentially empty
	 *
	 * @see System#getProperty(String)
	 * @see org.junit.platform.engine.ConfigurationParameters
	 */
	Optional<String> getConfigurationParameter(String key);

}