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transporter.go
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transporter.go
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package drivers
import (
"context"
)
// Transporter implements logic for moving data between two connectors
// (the actual connector objects are provided in AsTransporter)
type Transporter interface {
Transfer(ctx context.Context, srcProps, sinkProps map[string]any, opts *TransferOptions) error
}
// TransferOptions provide execution context for Transporter.Transfer
type TransferOptions struct {
AllowHostAccess bool
RepoRoot string
Progress Progress
AcquireConnector func(string) (Handle, func(), error)
}
// Progress is an interface for communicating progress info
type Progress interface {
Target(val int64, unit ProgressUnit)
// Observe is used by caller to provide incremental updates
Observe(val int64, unit ProgressUnit)
}
type NoOpProgress struct{}
func (n NoOpProgress) Target(val int64, unit ProgressUnit) {}
func (n NoOpProgress) Observe(val int64, unit ProgressUnit) {}
var _ Progress = NoOpProgress{}
type ProgressUnit int
const (
ProgressUnitByte ProgressUnit = iota
ProgressUnitFile
ProgressUnitRecord
)