/*
 * Copyright 2002-2020 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
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package org.springframework.context.annotation;

import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.core.env.Environment;
import org.springframework.core.io.ResourceLoader;
import org.springframework.lang.Nullable;

Context information for use by Condition implementations.
Author:Phillip Webb, Juergen Hoeller
Since:4.0
/** * Context information for use by {@link Condition} implementations. * * @author Phillip Webb * @author Juergen Hoeller * @since 4.0 */
public interface ConditionContext {
Return the BeanDefinitionRegistry that will hold the bean definition should the condition match.
Throws:
/** * Return the {@link BeanDefinitionRegistry} that will hold the bean definition * should the condition match. * @throws IllegalStateException if no registry is available (which is unusual: * only the case with a plain {@link ClassPathScanningCandidateComponentProvider}) */
BeanDefinitionRegistry getRegistry();
Return the ConfigurableListableBeanFactory that will hold the bean definition should the condition match, or null if the bean factory is not available (or not downcastable to ConfigurableListableBeanFactory).
/** * Return the {@link ConfigurableListableBeanFactory} that will hold the bean * definition should the condition match, or {@code null} if the bean factory is * not available (or not downcastable to {@code ConfigurableListableBeanFactory}). */
@Nullable ConfigurableListableBeanFactory getBeanFactory();
Return the Environment for which the current application is running.
/** * Return the {@link Environment} for which the current application is running. */
Environment getEnvironment();
Return the ResourceLoader currently being used.
/** * Return the {@link ResourceLoader} currently being used. */
ResourceLoader getResourceLoader();
Return the ClassLoader that should be used to load additional classes (only null if even the system ClassLoader isn't accessible).
See Also:
/** * Return the {@link ClassLoader} that should be used to load additional classes * (only {@code null} if even the system ClassLoader isn't accessible). * @see org.springframework.util.ClassUtils#forName(String, ClassLoader) */
@Nullable ClassLoader getClassLoader(); }