Files
grafana/pkg/services/live/pipeline/output_multiple.go

31 lines
720 B
Go

package pipeline
import (
"context"
"github.com/grafana/grafana-plugin-sdk-go/data"
)
// MultipleOutput can combine several Outputter and
// execute them sequentially.
type MultipleOutput struct {
Outputters []Outputter
}
func (m MultipleOutput) Output(ctx context.Context, vars OutputVars, frame *data.Frame) ([]*ChannelFrame, error) {
var frames []*ChannelFrame
for _, out := range m.Outputters {
f, err := out.Output(ctx, vars, frame)
if err != nil {
logger.Error("Error outputting frame", "error", err)
return nil, err
}
frames = append(frames, f...)
}
return frames, nil
}
func NewMultipleOutput(outputters ...Outputter) *MultipleOutput {
return &MultipleOutput{Outputters: outputters}
}