Module bus.limiter
Package org.miaixz.bus.limiter.magic.annotation

Annotation Interface Downgrade

@Inherited @Documented @Retention(RUNTIME) @Target(METHOD) public @interface Downgrade
Annotation for marking methods that require service request degradation (downgrade). This annotation is used to apply flow control rules that trigger a fallback mechanism when certain conditions are met, such as exceeding a defined threshold.
Since:
Java 17+
Author:
Kimi Liu

  • Required Element Summary

    Required Elements
    Modifier and Type
    Required Element
    Description
    int
    count
    Specifies the threshold count for the downgrade rule.
    FlowGrade
    grade
    Specifies the flow grade for the downgrade rule.

  • Element Details

    • grade

      FlowGrade grade
      Specifies the flow grade for the downgrade rule. This determines the type of metric used for limiting, e.g., QPS or thread count.
      Returns:
      The FlowGrade for the downgrade rule.

    • count

      int count
      Specifies the threshold count for the downgrade rule. When the resource usage exceeds this count, the downgrade mechanism is triggered.
      Returns:
      The count threshold for the downgrade rule.