2 files changed, 25 insertions, 1 deletions
diff --git a/pkg/pool/interface.go b/pkg/pool/interface.go
index c22fbbd3..bbf7653e 100644
--- a/pkg/pool/interface.go
+++ b/pkg/pool/interface.go
@@ -27,3 +27,27 @@ type Pool interface {
 	// ExecWithContext executes task with context which is used with timeout
 	execWithTTL(ctx context.Context, rqs payload.Payload) (payload.Payload, error)
 }
+
+// Watcher is an interface for the Sync workers lifecycle
+type Watcher interface {
+	// Watch used to add workers to the container
+	Watch(workers []worker.BaseProcess) error
+
+	// Get provide first free worker
+	Get(ctx context.Context) (worker.BaseProcess, error)
+
+	// Push enqueues worker back
+	Push(w worker.BaseProcess)
+
+	// Allocate - allocates new worker and put it into the WorkerWatcher
+	Allocate() error
+
+	// Destroy destroys the underlying container
+	Destroy(ctx context.Context)
+
+	// List return all container w/o removing it from internal storage
+	List() []worker.BaseProcess
+
+	// Remove will remove worker from the container
+	Remove(wb worker.BaseProcess)
+}
diff --git a/pkg/pool/static_pool.go b/pkg/pool/static_pool.go
index 1c149c51..f2f19795 100755
--- a/pkg/pool/static_pool.go
+++ b/pkg/pool/static_pool.go
@@ -41,7 +41,7 @@ type StaticPool struct {
 	listeners []events.Listener
 
 	// manages worker states and TTLs
-	ww workerWatcher.Watcher
+	ww Watcher
 
 	// allocate new worker
 	allocator worker.Allocator