spring RefreshableScriptTargetSource 源码
spring RefreshableScriptTargetSource 代码
文件路径：/spring-context/src/main/java/org/springframework/scripting/support/RefreshableScriptTargetSource.java
/*
* Copyright 2002-2012 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.scripting.support;
import org.springframework.aop.target.dynamic.BeanFactoryRefreshableTargetSource;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.scripting.ScriptFactory;
import org.springframework.scripting.ScriptSource;
import org.springframework.util.Assert;
/**
* Subclass of {@link BeanFactoryRefreshableTargetSource} that determines whether
* a refresh is required through the given {@link ScriptFactory}.
*
* @author Rob Harrop
* @author Juergen Hoeller
* @author Mark Fisher
* @since 2.0
*/
public class RefreshableScriptTargetSource extends BeanFactoryRefreshableTargetSource {
private final ScriptFactory scriptFactory;
private final ScriptSource scriptSource;
private final boolean isFactoryBean;
/**
* Create a new RefreshableScriptTargetSource.
* @param beanFactory the BeanFactory to fetch the scripted bean from
* @param beanName the name of the target bean
* @param scriptFactory the ScriptFactory to delegate to for determining
* whether a refresh is required
* @param scriptSource the ScriptSource for the script definition
* @param isFactoryBean whether the target script defines a FactoryBean
*/
public RefreshableScriptTargetSource(BeanFactory beanFactory, String beanName,
ScriptFactory scriptFactory, ScriptSource scriptSource, boolean isFactoryBean) {
super(beanFactory, beanName);
Assert.notNull(scriptFactory, "ScriptFactory must not be null");
Assert.notNull(scriptSource, "ScriptSource must not be null");
this.scriptFactory = scriptFactory;
this.scriptSource = scriptSource;
this.isFactoryBean = isFactoryBean;
}
/**
* Determine whether a refresh is required through calling
* ScriptFactory's {@code requiresScriptedObjectRefresh} method.
* @see ScriptFactory#requiresScriptedObjectRefresh(ScriptSource)
*/
@Override
protected boolean requiresRefresh() {
return this.scriptFactory.requiresScriptedObjectRefresh(this.scriptSource);
}
/**
* Obtain a fresh target object, retrieving a FactoryBean if necessary.
*/
@Override
protected Object obtainFreshBean(BeanFactory beanFactory, String beanName) {
return super.obtainFreshBean(beanFactory,
(this.isFactoryBean ? BeanFactory.FACTORY_BEAN_PREFIX + beanName : beanName));
}
}
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