Struct ConfigWatcher 

pub struct ConfigWatcher { /* private fields */ }

ConfigWatcher — watches config sources for changes. ConfigWatcher — 监视配置源的更改。

Supports file modification watching and HTTP polling. Equivalent to Spring Cloud Config’s watch mechanism. 支持文件修改监视和 HTTP 轮询。 等价于 Spring Cloud Config 的监视机制。

Implementations

impl ConfigWatcher

pub fn new(scope: RefreshScope) -> Self

Create a new config watcher / 创建新配置监视器

pub fn watch_file(&mut self, path: impl Into<PathBuf>)

Add a file to watch / 添加要监视的文件

pub fn check_changes(&mut self) -> Vec<String>

Check for file changes and fire events / 检查文件更改并触发事件

Returns a list of keys that changed (empty if no changes detected). 返回已更改的键列表（如果未检测到更改则为空）。

pub fn scope(&self) -> &RefreshScope

Get the underlying RefreshScope / 获取底层 RefreshScope

pub fn watched_count(&self) -> usize

Get the number of watched files / 获取被监视文件的数量

Trait Implementations

impl Debug for ConfigWatcher

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.