mirror of https://github.com/hashicorp/consul
66 lines
1.7 KiB
Go
66 lines
1.7 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package indexers
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import (
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"github.com/hashicorp/consul/internal/controller/cache/index"
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"github.com/hashicorp/consul/internal/resource"
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"github.com/hashicorp/consul/proto-public/pbresource"
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"google.golang.org/protobuf/proto"
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)
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type FromArgs func(args ...any) ([]byte, error)
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type SingleIndexer[T proto.Message] func(r *resource.DecodedResource[T]) (bool, []byte, error)
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type MultiIndexer[T proto.Message] func(r *resource.DecodedResource[T]) (bool, [][]byte, error)
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func DecodedSingleIndexer[T proto.Message](name string, args FromArgs, idx SingleIndexer[T]) *index.Index {
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return index.New(name, &singleIndexer[T]{
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decodedIndexer: idx,
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indexArgs: args,
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})
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}
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func DecodedMultiIndexer[T proto.Message](name string, args FromArgs, idx MultiIndexer[T]) *index.Index {
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return index.New(name, &multiIndexer[T]{
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indexArgs: args,
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decodedIndexer: idx,
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})
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}
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type singleIndexer[T proto.Message] struct {
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indexArgs FromArgs
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decodedIndexer SingleIndexer[T]
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}
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func (i *singleIndexer[T]) FromArgs(args ...any) ([]byte, error) {
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return i.indexArgs(args...)
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}
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func (i *singleIndexer[T]) FromResource(r *pbresource.Resource) (bool, []byte, error) {
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res, err := resource.Decode[T](r)
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if err != nil {
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return false, nil, err
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}
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return i.decodedIndexer(res)
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}
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type multiIndexer[T proto.Message] struct {
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decodedIndexer MultiIndexer[T]
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indexArgs FromArgs
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}
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func (i *multiIndexer[T]) FromArgs(args ...any) ([]byte, error) {
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return i.indexArgs(args...)
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}
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func (i *multiIndexer[T]) FromResource(r *pbresource.Resource) (bool, [][]byte, error) {
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res, err := resource.Decode[T](r)
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if err != nil {
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return false, nil, err
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}
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return i.decodedIndexer(res)
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}
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