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|
package client
import (
"context"
"sync"
"github.com/pkg/errors"
)
type BuildFunc func(context.Context, Client) (*Result, error)
type Result struct {
mu sync.Mutex
Ref Reference
Refs map[string]Reference
Metadata map[string][]byte
}
func NewResult() *Result {
return &Result{}
}
func (r *Result) AddMeta(k string, v []byte) {
r.mu.Lock()
if r.Metadata == nil {
r.Metadata = map[string][]byte{}
}
r.Metadata[k] = v
r.mu.Unlock()
}
func (r *Result) AddRef(k string, ref Reference) {
r.mu.Lock()
if r.Refs == nil {
r.Refs = map[string]Reference{}
}
r.Refs[k] = ref
r.mu.Unlock()
}
func (r *Result) SetRef(ref Reference) {
r.Ref = ref
}
func (r *Result) SingleRef() (Reference, error) {
r.mu.Lock()
defer r.mu.Unlock()
if r.Refs != nil && r.Ref == nil {
return nil, errors.Errorf("invalid map result")
}
return r.Ref, nil
}
|
