/*
 * Copyright 2002-2018 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.
 */

package org.springframework.context.annotation;

import org.springframework.beans.factory.parsing.Problem;
import org.springframework.beans.factory.parsing.ProblemReporter;
import org.springframework.core.type.MethodMetadata;

Represents a @Configuration class method marked with the @Bean annotation.
Author:Chris Beams, Juergen Hoeller
See Also:
Since:3.0
/** * Represents a {@link Configuration @Configuration} class method marked with the * {@link Bean @Bean} annotation. * * @author Chris Beams * @author Juergen Hoeller * @since 3.0 * @see ConfigurationClass * @see ConfigurationClassParser * @see ConfigurationClassBeanDefinitionReader */
final class BeanMethod extends ConfigurationMethod { public BeanMethod(MethodMetadata metadata, ConfigurationClass configurationClass) { super(metadata, configurationClass); } @Override public void validate(ProblemReporter problemReporter) { if (getMetadata().isStatic()) { // static @Bean methods have no constraints to validate -> return immediately return; } if (this.configurationClass.getMetadata().isAnnotated(Configuration.class.getName())) { if (!getMetadata().isOverridable()) { // instance @Bean methods within @Configuration classes must be overridable to accommodate CGLIB problemReporter.error(new NonOverridableMethodError()); } } } private class NonOverridableMethodError extends Problem { public NonOverridableMethodError() { super(String.format("@Bean method '%s' must not be private or final; change the method's modifiers to continue", getMetadata().getMethodName()), getResourceLocation()); } } }