bigcyy commented on issue #3384:
URL: https://github.com/apache/hertzbeat/issues/3384#issuecomment-2899850473
At the protocol level, the collected metrics are mapped to aliasField -
value, and then further processed using a calculation expression to produce
realField - realValue. If I understood the code correctly, I hope this is
helpful to you.
```
fields:
- field: my_status
type: 1
i18n:
zh-CN: 状态
en-US: Status
aliasFields:
- memoryDeviceStatus
calculates:
- Status = (memoryDeviceStatus == 1 ? "ABSENT" : (memoryDeviceStatus == 2
? "OK" : (memoryDeviceStatus == 3 ? "WARNING" : "CRITICAL")))
```
refer to:
-
[SnmpCollectImpl.java](https://github.com/apache/hertzbeat/blob/master/hertzbeat-collector/hertzbeat-collector-basic/src/main/java/org/apache/hertzbeat/collector/collect/snmp/SnmpCollectImpl.java)
- [MetricsCollect.java
calculateFields](https://github.com/apache/hertzbeat/blob/master/hertzbeat-collector/hertzbeat-collector-collector/src/main/java/org/apache/hertzbeat/collector/dispatch/MetricsCollect.java)
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