org.springframework.beans.factory.support.SimpleAutowireCandidateResolver.java Source code

Introduction

Here is the source code for org.springframework.beans.factory.support.SimpleAutowireCandidateResolver.java

Source

/*
 * Copyright 2002-2017 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.beans.factory.support;

import org.springframework.beans.factory.config.BeanDefinitionHolder;
import org.springframework.beans.factory.config.DependencyDescriptor;
import org.springframework.lang.Nullable;

/**
 * {@link AutowireCandidateResolver} implementation to use when no annotation
 * support is available. This implementation checks the bean definition only.
 *
 * @author Mark Fisher
 * @author Juergen Hoeller
 * @since 2.5
 */
public class SimpleAutowireCandidateResolver implements AutowireCandidateResolver {

    @Override
    public boolean isAutowireCandidate(BeanDefinitionHolder bdHolder, DependencyDescriptor descriptor) {
        return bdHolder.getBeanDefinition().isAutowireCandidate();
    }

    @Override
    public boolean isRequired(DependencyDescriptor descriptor) {
        return descriptor.isRequired();
    }

    @Override
    @Nullable
    public Object getSuggestedValue(DependencyDescriptor descriptor) {
        return null;
    }

    @Override
    @Nullable
    public Object getLazyResolutionProxyIfNecessary(DependencyDescriptor descriptor, @Nullable String beanName) {
        return null;
    }

}