MetricRepository (Spring Boot API)

所有超级接口:
CounterWriter, GaugeWriter, MetricReader, MetricWriter
所有已知实现类:
InMemoryMetricRepository, RedisMetricRepository
```
public interface MetricRepository
extends MetricReader, MetricWriter
```
Convenient combination of reader and writer concerns.

- 方法概要
  - 从接口继承的方法 org.springframework.boot.actuate.metrics.writer.CounterWriter
    increment, reset
  - 从接口继承的方法 org.springframework.boot.actuate.metrics.writer.GaugeWriter
    set
  - 从接口继承的方法 org.springframework.boot.actuate.metrics.reader.MetricReader
    count, findAll, findOne