28 lines
842 B
Go
28 lines
842 B
Go
package historian
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import (
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"context"
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"github.com/grafana/grafana-plugin-sdk-go/data"
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"github.com/grafana/grafana/pkg/services/ngalert/models"
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"github.com/grafana/grafana/pkg/services/ngalert/state"
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history_model "github.com/grafana/grafana/pkg/services/ngalert/state/historian/model"
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)
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// NoOpHistorian is a state.Historian that does nothing with the resulting data, to be used in contexts where history is not needed.
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type NoOpHistorian struct{}
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func NewNopHistorian() *NoOpHistorian {
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return &NoOpHistorian{}
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}
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func (f *NoOpHistorian) Record(ctx context.Context, _ history_model.RuleMeta, _ []state.StateTransition) <-chan error {
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errCh := make(chan error)
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close(errCh)
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return errCh
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}
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func (f *NoOpHistorian) Query(ctx context.Context, query models.HistoryQuery) (*data.Frame, error) {
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return data.NewFrame("states"), nil
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}
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