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一文掌握Spring中循环依赖与三级缓存_java_脚本之家

可以看到 earlySingletonExposure 为 true,就会将创建出来的A对象实例对象放入到三级缓存之中 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 protected void addSingletonFactory(String beanName, ObjectFactory<?> singletonFactory) { // 对 singletonFactory 进行非空校验 Assert.notNull(singletonFactory, "...

www.jb51.net/program/299290b...htm 2024-10-4

Spring需要三个级别缓存解决循环依赖原理解析_java_脚本之家

if (earlySingletonExposure) { // 把Aoo对象加入三级缓存!!! addSingletonFactory(beanName, () -> getEarlyBeanReference(beanName, mbd, bean)); } Object exposedObject = bean; try { // 给Aoo对象注入属性 populateBean(beanName, mbd, instanceWrapper); // 初始化Aoo(一些扩展点,与循环依赖关系不...

www.jb51.net/article/2755...htm 2024-9-30

springboot集成普罗米修斯(Prometheus)的方法_java_脚本之家

exposure: include: 'prometheus' metrics: tags: application: ${spring.application.name} 写一个API接口,用作测试。代码如下: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 @RestController public class TestController { Logger logger = LoggerFactory.getLogger(TestController.class); @GetMapping("/tes...

www.jb51.net/article/1928...htm 2024-9-30

详解用Spring Boot Admin来监控我们的微服务_java_脚本之家

1 2 management.endpoints.web.exposure.include=* management.endpoint.health.show-details=always使执行器端点可访问: 1 2 3 4 5 6 7 8 @Configuration public static class SecurityPermitAllConfig extends WebSecurityConfigurerAdapter { @Override protected void configure(HttpSecurity http) throws Exception {...

www.jb51.net/article/1933...htm 2024-9-29

IntelliJ Idea SpringBoot 数据库增删改查实例详解_java_脚本之家

2016-12-16 14:56:52.083 INFO 15872 --- [ main] o.s.j.e.a.AnnotationMBeanExporter : Registering beans for JMX exposure on startup 2016-12-16 14:56:52.215 INFO 15872 --- [ main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat started on port(s): 8080 (http) 2016-12-16 14...

www.jb51.net/article/1346...htm 2024-10-2

关于spring循环依赖问题及解决方案_java_脚本之家

boolean earlySingletonExposure = (mbd.isSingleton() && this.allowCircularReferences && isSingletonCurrentlyInCreation(beanName)); if (earlySingletonExposure) { // 添加三级缓存的方法详情在下方 addSingletonFactory(beanName, () -> getEarlyBeanReference(beanName, mbd, bean)); } // ③ 填充属性 this...

www.jb51.net/article/2531...htm 2024-9-30

PHP中使用Imagick实现各种图片效果实例_php技巧_脚本之家

$exifArray['exif:ExposureBiasValue'] = sprintf( "%1.1feV", ((float)$exifArray['exif:ExposureBiasValue'][0] / $exifArray['exif:ExposureBiasValue'][1] * 100) / 100 ); if ( (float)$exifArray['exif:ExposureBiasValue'] > 0 ) { $exifArray['exif:ExposureBiasValue'] = "+" ...

www.jb51.net/article/601...htm 2024-10-4