spring QuickTargetSourceCreator 源码
spring QuickTargetSourceCreator 代码
文件路径：/spring-aop/src/main/java/org/springframework/aop/framework/autoproxy/target/QuickTargetSourceCreator.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.aop.framework.autoproxy.target;
import org.springframework.aop.target.AbstractBeanFactoryBasedTargetSource;
import org.springframework.aop.target.CommonsPool2TargetSource;
import org.springframework.aop.target.PrototypeTargetSource;
import org.springframework.aop.target.ThreadLocalTargetSource;
import org.springframework.lang.Nullable;
/**
* Convenient TargetSourceCreator using bean name prefixes to create one of three
* well-known TargetSource types:
* <ul>
* <li>: CommonsPool2TargetSource</li>
* <li>% ThreadLocalTargetSource</li>
* <li>! PrototypeTargetSource</li>
* </ul>
*
* @author Rod Johnson
* @author Stephane Nicoll
* @see org.springframework.aop.target.CommonsPool2TargetSource
* @see org.springframework.aop.target.ThreadLocalTargetSource
* @see org.springframework.aop.target.PrototypeTargetSource
*/
public class QuickTargetSourceCreator extends AbstractBeanFactoryBasedTargetSourceCreator {
/**
* The CommonsPool2TargetSource prefix.
*/
public static final String PREFIX_COMMONS_POOL = ":";
/**
* The ThreadLocalTargetSource prefix.
*/
public static final String PREFIX_THREAD_LOCAL = "%";
/**
* The PrototypeTargetSource prefix.
*/
public static final String PREFIX_PROTOTYPE = "!";
@Override
@Nullable
protected final AbstractBeanFactoryBasedTargetSource createBeanFactoryBasedTargetSource(
Class<?> beanClass, String beanName) {
if (beanName.startsWith(PREFIX_COMMONS_POOL)) {
CommonsPool2TargetSource cpts = new CommonsPool2TargetSource();
cpts.setMaxSize(25);
return cpts;
}
else if (beanName.startsWith(PREFIX_THREAD_LOCAL)) {
return new ThreadLocalTargetSource();
}
else if (beanName.startsWith(PREFIX_PROTOTYPE)) {
return new PrototypeTargetSource();
}
else {
// No match. Don't create a custom target source.
return null;
}
}
}
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