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package grpctool
import (
"sync"
"google.golang.org/protobuf/proto"
)
type LazyStreamVisitor struct {
streamMessage proto.Message
once sync.Once
sv *StreamVisitor
}
func NewLazyStreamVisitor(streamMessage proto.Message) *LazyStreamVisitor {
return &LazyStreamVisitor{
streamMessage: streamMessage,
}
}
func (v *LazyStreamVisitor) Get() *StreamVisitor {
v.once.Do(func() {
var err error
v.sv, err = NewStreamVisitor(v.streamMessage)
if err != nil {
panic(err) // this will never panic as long as the proto file is correct
}
})
return v.sv
}
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