mirror of https://github.com/hashicorp/consul
61 lines
1.9 KiB
Go
61 lines
1.9 KiB
Go
// Copyright (c) HashiCorp, Inc.
|
|
// SPDX-License-Identifier: BUSL-1.1
|
|
|
|
package index
|
|
|
|
import "github.com/hashicorp/consul/proto-public/pbresource"
|
|
|
|
// Indexer is the base interface that all indexers must implement. Additionally
|
|
// an indexer must also implement either the SingleIndexer or MultiIndexer interface
|
|
//
|
|
//go:generate mockery --name Indexer --with-expecter
|
|
type Indexer interface {
|
|
FromArgs(args ...interface{}) ([]byte, error)
|
|
}
|
|
|
|
// SingleIndexer is the interface to use to extract a single index value from a
|
|
// resource. E.g. extracting the resources owner ID.
|
|
//
|
|
//go:generate mockery --name SingleIndexer --with-expecter
|
|
type SingleIndexer interface {
|
|
Indexer
|
|
FromResource(r *pbresource.Resource) (bool, []byte, error)
|
|
}
|
|
|
|
// MultiIndexer is the interface to implement for extracting multiple index
|
|
// values from a resource. E.g. extracting all resource References from the
|
|
// slice of references.
|
|
//
|
|
//go:generate mockery --name MultiIndexer --with-expecter
|
|
type MultiIndexer interface {
|
|
Indexer
|
|
FromResource(r *pbresource.Resource) (bool, [][]byte, error)
|
|
}
|
|
|
|
// IndexOption is a functional option to use to modify an Indexes behavior.
|
|
type IndexOption func(*Index)
|
|
|
|
// IndexRequired will cause the index to return a MissingRequiredIndexError
|
|
// in the event that the indexer returns no values for a resource.
|
|
func IndexRequired(s *Index) {
|
|
s.required = true
|
|
}
|
|
|
|
// ResourceIterator is the interface that will be returned to iterate through
|
|
// a collection of results.
|
|
//
|
|
//go:generate mockery --name ResourceIterator --with-expecter
|
|
type ResourceIterator interface {
|
|
Next() *pbresource.Resource
|
|
}
|
|
|
|
// Txn is an interface to control changes to an index within an transaction.
|
|
type Txn interface {
|
|
Get(args ...any) (*pbresource.Resource, error)
|
|
ListIterator(args ...any) (ResourceIterator, error)
|
|
ParentsIterator(args ...any) (ResourceIterator, error)
|
|
Insert(r *pbresource.Resource) error
|
|
Delete(r *pbresource.Resource) error
|
|
Commit()
|
|
}
|