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              IGrafana
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[ServiceContractAttribute] public interface IGrafanaDataService
The IGrafanaDataService type exposes the following members.
| Name | Description | |
|---|---|---|
| Annotations | Queries openHistorian for annotations in a time-range (e.g., Alarms). | |
| GetAlarmState | Queries openPDC alarm states as a Grafana data source. | |
| GetDeviceAlarms | Queries openHistorian Device alarm states. | |
| GetDeviceGroups | Queries openHistorian Device Groups. | |
| GetLocationData | Queries openHistorian location data for Grafana offsetting duplicate coordinates using a radial distribution. | |
| GetMetadata | Queries openHistorian as a Grafana Metadata source. | |
| Query | Queries openHistorian as a Grafana data source. | |
| Search | Search openHistorian for a target. | |
| SearchFields | Search data source for a list of columns from a specific table. | |
| SearchFilters | Search data source for a list of tables. | |
| SearchOrderBys | Search data source for a list of columns from a specific table to use for ORDER BY expression. | |
| TagKeys | Requests available tag keys. | |
| TagValues | Requests available tag values. | |
| TestDataSource | Validates that openHistorian Grafana data source is responding as expected. |