initial commit

internal/collector/registry.go

@@ -0,0 +1,31 @@
+package collector
+
+import (
+	"sync"
+)
+
+type Registry struct {
+	collectors []Collector
+	mutex      sync.RWMutex
+}
+
+func NewRegistry() *Registry {
+	return &Registry{
+		collectors: make([]Collector, 0),
+	}
+}
+
+func (r *Registry) Register(collector Collector) {
+	r.mutex.Lock()
+	defer r.mutex.Unlock()
+	r.collectors = append(r.collectors, collector)
+}
+
+func (r *Registry) GetCollectors() []Collector {
+	r.mutex.RLock()
+	defer r.mutex.RUnlock()
+
+	result := make([]Collector, len(r.collectors))
+	copy(result, r.collectors)
+	return result
+}