grafana/pkg/tsdb/models.go
2017-04-21 15:07:43 +02:00

103 lines
2.3 KiB
Go

package tsdb
import (
"github.com/grafana/grafana/pkg/components/null"
"github.com/grafana/grafana/pkg/components/simplejson"
"github.com/grafana/grafana/pkg/models"
)
type Query struct {
RefId string
Model *simplejson.Json
Depends []string
DataSource *models.DataSource
Results []*TimeSeries
Exclude bool
MaxDataPoints int64
IntervalMs int64
}
type QuerySlice []*Query
type Request struct {
TimeRange *TimeRange
Queries QuerySlice
}
type Response struct {
BatchTimings []*BatchTiming `json:"timings"`
Results map[string]*QueryResult `json:"results"`
Message string `json:"message,omitempty"`
}
type BatchTiming struct {
TimeElapsed int64
}
type BatchResult struct {
Error error
QueryResults map[string]*QueryResult
Timings *BatchTiming
}
func (br *BatchResult) WithError(err error) *BatchResult {
br.Error = err
return br
}
type QueryResult struct {
Error error `json:"-"`
ErrorString string `json:"error,omitempty"`
RefId string `json:"refId"`
Meta *simplejson.Json `json:"meta,omitempty"`
Series TimeSeriesSlice `json:"series"`
Tables []*Table `json:"tables"`
}
type TimeSeries struct {
Name string `json:"name"`
Points TimeSeriesPoints `json:"points"`
Tags map[string]string `json:"tags,omitempty"`
}
type Table struct {
Columns []TableColumn `json:"columns"`
Rows []RowValues `json:"rows"`
}
type TableColumn struct {
Text string `json:"text"`
}
type RowValues []interface{}
type TimePoint [2]null.Float
type TimeSeriesPoints []TimePoint
type TimeSeriesSlice []*TimeSeries
func NewQueryResult() *QueryResult {
return &QueryResult{
Series: make(TimeSeriesSlice, 0),
}
}
func NewTimePoint(value null.Float, timestamp float64) TimePoint {
return TimePoint{value, null.FloatFrom(timestamp)}
}
func NewTimeSeriesPointsFromArgs(values ...float64) TimeSeriesPoints {
points := make(TimeSeriesPoints, 0)
for i := 0; i < len(values); i += 2 {
points = append(points, NewTimePoint(null.FloatFrom(values[i]), values[i+1]))
}
return points
}
func NewTimeSeries(name string, points TimeSeriesPoints) *TimeSeries {
return &TimeSeries{
Name: name,
Points: points,
}
}