bbgo_origin/pkg/bbgo/injection.go

38 lines
817 B
Go
Raw Normal View History

package bbgo
import (
"reflect"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
func injectStrategyField(strategy SingleExchangeStrategy, rs reflect.Value, fieldName string, obj interface{}) error {
field := rs.FieldByName(fieldName)
if !field.IsValid() {
return nil
}
logrus.Infof("found %s in strategy %T, injecting %T...", fieldName, strategy, obj)
if !field.CanSet() {
return errors.Errorf("field %s of strategy %T can not be set", fieldName, strategy)
}
rv := reflect.ValueOf(obj)
if field.Kind() == reflect.Ptr {
if field.Type() != rv.Type() {
return errors.Errorf("field type mismatches: %s != %s", field.Type(), rv.Type())
}
field.Set(rv)
} else if field.Kind() == reflect.Interface {
field.Set(rv)
} else {
// set as value
field.Set(rv.Elem())
}
return nil
}