spring SimpleBeanDefinitionRegistry 源码
spring SimpleBeanDefinitionRegistry 代码
文件路径：/spring-beans/src/main/java/org/springframework/beans/factory/support/SimpleBeanDefinitionRegistry.java
/*
* 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.beans.factory.support;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import org.springframework.beans.factory.BeanDefinitionStoreException;
import org.springframework.beans.factory.NoSuchBeanDefinitionException;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.core.SimpleAliasRegistry;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
/**
* Simple implementation of the {@link BeanDefinitionRegistry} interface.
* Provides registry capabilities only, with no factory capabilities built in.
* Can for example be used for testing bean definition readers.
*
* @author Juergen Hoeller
* @since 2.5.2
*/
public class SimpleBeanDefinitionRegistry extends SimpleAliasRegistry implements BeanDefinitionRegistry {
/** Map of bean definition objects, keyed by bean name. */
private final Map<String, BeanDefinition> beanDefinitionMap = new ConcurrentHashMap<>(64);
@Override
public void registerBeanDefinition(String beanName, BeanDefinition beanDefinition)
throws BeanDefinitionStoreException {
Assert.hasText(beanName, "'beanName' must not be empty");
Assert.notNull(beanDefinition, "BeanDefinition must not be null");
this.beanDefinitionMap.put(beanName, beanDefinition);
}
@Override
public void removeBeanDefinition(String beanName) throws NoSuchBeanDefinitionException {
if (this.beanDefinitionMap.remove(beanName) == null) {
throw new NoSuchBeanDefinitionException(beanName);
}
}
@Override
public BeanDefinition getBeanDefinition(String beanName) throws NoSuchBeanDefinitionException {
BeanDefinition bd = this.beanDefinitionMap.get(beanName);
if (bd == null) {
throw new NoSuchBeanDefinitionException(beanName);
}
return bd;
}
@Override
public boolean containsBeanDefinition(String beanName) {
return this.beanDefinitionMap.containsKey(beanName);
}
@Override
public String[] getBeanDefinitionNames() {
return StringUtils.toStringArray(this.beanDefinitionMap.keySet());
}
@Override
public int getBeanDefinitionCount() {
return this.beanDefinitionMap.size();
}
@Override
public boolean isBeanNameInUse(String beanName) {
return isAlias(beanName) || containsBeanDefinition(beanName);
}
}
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