1package entity
 2
 3import (
 4	"fmt"
 5	"strings"
 6)
 7
 8type ErrMultipleMatch struct {
 9	entityType string
10	Matching   []Id
11}
12
13func NewErrMultipleMatch(entityType string, matching []Id) *ErrMultipleMatch {
14	return &ErrMultipleMatch{entityType: entityType, Matching: matching}
15}
16
17func (e ErrMultipleMatch) Error() string {
18	matching := make([]string, len(e.Matching))
19
20	for i, match := range e.Matching {
21		matching[i] = match.String()
22	}
23
24	return fmt.Sprintf("Multiple matching %s found:\n%s",
25		e.entityType,
26		strings.Join(matching, "\n"))
27}
28
29func IsErrMultipleMatch(err error) bool {
30	_, ok := err.(*ErrMultipleMatch)
31	return ok
32}