consul/internal/controller/watch.go

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// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: BUSL-1.1
package controller
import (
"fmt"
"github.com/hashicorp/consul/internal/controller/cache/index"
"github.com/hashicorp/consul/internal/resource"
"github.com/hashicorp/consul/proto-public/pbresource"
)
type watch struct {
watchedType *pbresource.Type
mapper DependencyMapper
indexes map[string]*index.Index
}
func newWatch(watchedType *pbresource.Type, mapper DependencyMapper) *watch {
if mapper == nil {
panic("mapper not provided")
}
return &watch{
watchedType: watchedType,
indexes: make(map[string]*index.Index),
mapper: mapper,
}
}
func (w *watch) addIndex(index *index.Index) {
if _, indexExists := w.indexes[index.Name()]; indexExists {
panic(fmt.Sprintf("index with name %s is already defined", index.Name()))
}
w.indexes[index.Name()] = index
}
func (w *watch) key() string {
return resource.ToGVK(w.watchedType)
}