使用multi-arg方法初始化Spring bean
问题内容:
我想创建以下具有方法 setThresholds(Number highThreshold,Number lowThreshold)的 Spring
bean(一个JMX监视器 ) 。
我可以在配置中调用该方法(带有两个参数)吗?我不想编写代码来调用它。
<bean id="myMonitor" class="javax.management.monitor.GaugeMonitor" init-method="start">
<property name="observedObject">
<bean class="javax.management.ObjectName">
<constructor-arg value="test.jmx:name=testBean1" />
</bean>
</property>
<property name="observedAttribute" value="testProperty" />
<property name="granularityPeriod">
<bean class="java.lang.Float">
<constructor-arg value="1000" />
</bean>
</property>
</bean>
问题答案:
- 可以通过使用 MethodInvokingFactoryBean(Spring
- [4.x]( https://docs.spring.io/spring/docs/4.0.x/javadoc-
- api/org/springframework/beans/factory/config/MethodInvokingFactoryBean.html)和[5.x]( https://docs.spring.io/spring/docs/5.0.x/javadoc-
- api/org/springframework/beans/factory/config/MethodInvokingFactoryBean.html))来实现(这不是我的主意,我只是在以下论坛中找到它: http
-
//forum.springsource.org/archive/index.php/t-16354
.html
)SomeClass someobject = new SomeClass();
someobject.set(“String1”,”String2”);
<bean id="someobject" class="SomeClass" />
<bean class="org.springframework.beans.factory.config.MethodInvokingFactoryBean">
<property name="targetObject" ref="someobject">
<property name="targetMethod" value="set">
<property name="arguments">
<list>
<value>String1</value>
<value>String2</value>
</list>
</property>
</bean>