From f3680844643f11fa6403e32436798bcf32bfc95e Mon Sep 17 00:00:00 2001
From: omenem <omenem@usi.ch>
Date: Mon, 23 Mar 2020 18:31:46 +0100
Subject: [PATCH] delete cascade no more in switch

---
 .../usi/inf/sa4/sanmarinoes/smarthut/models/Switch.java   | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/Switch.java b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/Switch.java
index d819dfe..ed6f38d 100644
--- a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/Switch.java
+++ b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/Switch.java
@@ -5,6 +5,7 @@ import java.util.Set;
 import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.OneToMany;
+import javax.persistence.PreRemove;
 
 /** A switch input device */
 @Entity
@@ -51,4 +52,11 @@ public class Switch extends InputDevice {
     public Set<Switchable> getOutputs() {
         return switchables;
     }
+
+    @PreRemove
+    private void removeSwitchable() {
+        for (Switchable s : getOutputs()) {
+            s.setSwitchId(null);
+        }
+    }
 }