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|
package resource
import (
"fmt"
"log"
"sync"
)
var (
repo repository
once sync.Once
)
func getRepository() repository {
once.Do(func() {
repo = newRepository()
})
return repo
}
func resetRepository() {
repo = newRepository()
}
type repository struct {
registered map[string]Resource
mu *sync.Mutex
}
func newRepository() repository {
return repository{
registered: make(map[string]Resource),
mu: new(sync.Mutex),
}
}
func (r repository) register(res Resource) error {
r.mu.Lock()
defer r.mu.Unlock()
if _, exists := r.registered[res.ID()]; exists {
return fmt.Errorf("resource %v already registered", res)
}
r.registered[res.ID()] = res
log.Printf("Registered resource %v\n", res)
return nil
}
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