ml
52 lines
1.4 KiB
Go
52 lines
1.4 KiB
Go
package resource
|
|
|
|
import "fmt"
|
|
|
|
// NotFoundError indicates the unknown ID.
|
|
type NotFoundError struct {
|
|
ID ID
|
|
}
|
|
|
|
// Error implements the error interface.
|
|
func (err NotFoundError) Error() string {
|
|
return fmt.Sprintf("resource with ID %v does not exist", err.ID)
|
|
}
|
|
|
|
// ErrNotFound returns an error specifying the given ID doesn't
|
|
// have an associated resource.
|
|
func ErrNotFound(id ID) error {
|
|
return NotFoundError{ID: id}
|
|
}
|
|
|
|
// BlockNotFoundError indicates the unknown block index.
|
|
type BlockNotFoundError struct {
|
|
Index int
|
|
Available int
|
|
}
|
|
|
|
// Error implements the error interface.
|
|
func (err BlockNotFoundError) Error() string {
|
|
return fmt.Sprintf("block index wrong: %v/%v", err.Index, err.Available)
|
|
}
|
|
|
|
// ErrBlockNotFound returns an error specifying the given index does not identify a valid block.
|
|
func ErrBlockNotFound(index, available int) error {
|
|
return BlockNotFoundError{Index: index, Available: available}
|
|
}
|
|
|
|
// WrongTypeError indicates a resource of unexpected type.
|
|
type WrongTypeError struct {
|
|
Key Key
|
|
Expected ContentType
|
|
}
|
|
|
|
// Error implements the error interface.
|
|
func (err WrongTypeError) Error() string {
|
|
return fmt.Sprintf("resource %v does not have expected type %v", err.Key, err.Expected)
|
|
}
|
|
|
|
// ErrWrongType returns an error specifying a resource was of unexpected type.
|
|
func ErrWrongType(key Key, expected ContentType) error {
|
|
return WrongTypeError{Key: key, Expected: expected}
|
|
}
|