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| 28. 7. 6. 实施可丢弃组件 |
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File: context.xml |
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN"
"http://www.springframework.org/dtd/spring-beans.dtd">
<beans>
<bean id="numberClass"
class="DisposableBeanNumberClass"/>
</beans>
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File: Main.java |
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import java.util.ArrayList;
import java.util.List;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.core.io.ClassPathResource;
public class Main {
public static void main(String[] args) throws Exception {
ConfigurableListableBeanFactory beanFactory = new XmlBeanFactory(new ClassPathResource(
"context.xml"));
DisposableBeanNumberClass numberClass = (DisposableBeanNumberClass) beanFactory
.getBean("numberClass");
beanFactory.destroySingletons();
System.out.println(numberClass.getNumbers());
}
}
class DisposableBeanNumberClass implements DisposableBean {
private List<String> numbers = new ArrayList<String>();
public DisposableBeanNumberClass() {
this.numbers.add("one");
this.numbers.add("two");
this.numbers.add("three");
}
public List<String> getNumbers() {
return this.numbers;
}
public void destroy() throws Exception {
this.numbers = null;
}
}
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 Download: Spring-ImplementsDisposableBean.zip( 2,599 k) |
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