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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package errorcompounder
import (
"fmt"
"strings"
"sync"
"github.com/pkg/errors"
)
type SafeErrorCompounder struct {
sync.Mutex
errors []error
}
func (ec *SafeErrorCompounder) Add(err error) {
ec.Lock()
defer ec.Unlock()
if err != nil {
ec.errors = append(ec.errors, err)
}
}
func (ec *SafeErrorCompounder) Addf(msg string, args ...interface{}) {
ec.Lock()
defer ec.Unlock()
ec.errors = append(ec.errors, fmt.Errorf(msg, args...))
}
func (ec *SafeErrorCompounder) ToError() error {
ec.Lock()
defer ec.Unlock()
if len(ec.errors) == 0 {
return nil
}
var msg strings.Builder
for i, err := range ec.errors {
if i != 0 {
msg.WriteString(", ")
}
msg.WriteString(err.Error())
}
return errors.New(msg.String())
}
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