org.springframework.aop.framework.autoproxy.target.AbstractPoolingTargetSourceCreator Maven / Gradle / Ivy
/*
* Copyright 2002-2004 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
*
* http://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.AbstractPoolingTargetSource;
import org.springframework.aop.target.AbstractPrototypeBasedTargetSource;
import org.springframework.aop.target.CommonsPoolTargetSource;
import org.springframework.beans.factory.BeanFactory;
/**
* Convenient superclass for TargetSource creators that create pooling TargetSources.
* @author Rod Johnson
* @see org.springframework.aop.target.AbstractPoolingTargetSource
* @see org.springframework.aop.target.CommonsPoolTargetSource
*/
public abstract class AbstractPoolingTargetSourceCreator extends AbstractPrototypeBasedTargetSourceCreator {
protected final AbstractPrototypeBasedTargetSource createPrototypeTargetSource(Object bean, String beanName,
BeanFactory factory) {
PoolingAttribute poolingAttribute = getPoolingAttribute(bean, beanName, factory);
if (poolingAttribute == null) {
// no pooling attribute
return null;
}
else {
return newPoolingTargetSource(poolingAttribute);
}
}
/**
* Create a new AbstractPoolingTargetSource. This implementation creates
* a CommonsPoolTargetSource, but subclasses may wish to override that
* behaviour. Don't need to set bean name or call setBeanFactory.
* @see org.springframework.aop.target.CommonsPoolTargetSource
*/
protected AbstractPoolingTargetSource newPoolingTargetSource(PoolingAttribute poolingAttribute) {
AbstractPoolingTargetSource poolingTargetSource = new CommonsPoolTargetSource();
poolingTargetSource.setMaxSize(poolingAttribute.getSize());
return poolingTargetSource;
}
/**
* Create a PoolingAttribute for the given bean, if any.
* @param bean the bean to create a PoolingAttribute for
* @param beanName the name of the bean
* @param beanFactory the current bean factory
* @return the PoolingAttribute, or null for no pooling
*/
protected abstract PoolingAttribute getPoolingAttribute(Object bean, String beanName, BeanFactory beanFactory);
}