watchers renamed to controllers

1 files changed, 10 insertions, 0 deletions

diff --git a/controller.go b/controller.go
new file mode 100644
index 00000000..bda7ad6b
--- /dev/null
+++ b/controller.go
@@ -0,0 +1,10 @@
+package roadrunner
+
+// Controller observes pool state and decides if any worker must be destroyed.
+type Controller interface {
+	// Lock controller on given pool instance.
+	Attach(p Pool) Controller
+
+	// Detach pool watching.
+	Detach()
+}