ipld-eth-server/vendor/gopkg.in/DataDog/dd-trace-go.v1/contrib/globalsign/mgo/pipe.go
2018-09-11 16:30:29 -05:00

61 lines
1.2 KiB
Go

package mgo
import (
"github.com/globalsign/mgo"
"gopkg.in/DataDog/dd-trace-go.v1/ddtrace/tracer"
)
// Pipe is an mgo.Pipe instance along with the data necessary for tracing.
type Pipe struct {
*mgo.Pipe
cfg mongoConfig
}
// Iter invokes and traces Pipe.Iter
func (p *Pipe) Iter() *Iter {
span := newChildSpanFromContext(p.cfg)
iter := p.Pipe.Iter()
span.Finish()
return &Iter{
Iter: iter,
cfg: p.cfg,
}
}
// All invokes and traces Pipe.All
func (p *Pipe) All(result interface{}) error {
return p.Iter().All(result)
}
// One invokes and traces Pipe.One
func (p *Pipe) One(result interface{}) (err error) {
span := newChildSpanFromContext(p.cfg)
defer span.Finish(tracer.WithError(err))
err = p.Pipe.One(result)
return
}
// AllowDiskUse invokes and traces Pipe.AllowDiskUse
func (p *Pipe) AllowDiskUse() *Pipe {
return &Pipe{
Pipe: p.Pipe.AllowDiskUse(),
cfg: p.cfg,
}
}
// Batch invokes and traces Pipe.Batch
func (p *Pipe) Batch(n int) *Pipe {
return &Pipe{
Pipe: p.Pipe.Batch(n),
cfg: p.cfg,
}
}
// Explain invokes and traces Pipe.Explain
func (p *Pipe) Explain(result interface{}) (err error) {
span := newChildSpanFromContext(p.cfg)
defer span.Finish(tracer.WithError(err))
err = p.Pipe.Explain(result)
return
}