From 1ec392a49420175187e274e982f474a44d3b20f5 Mon Sep 17 00:00:00 2001
From: Fabian Affolter <fabian@affolter-engineering.ch>
Date: Thu, 10 Sep 2015 19:11:20 +0200
Subject: [PATCH] Add update

---
 homeassistant/components/switch/arest.py | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/homeassistant/components/switch/arest.py b/homeassistant/components/switch/arest.py
index e171e954a12..4f235c3bcd5 100644
--- a/homeassistant/components/switch/arest.py
+++ b/homeassistant/components/switch/arest.py
@@ -93,12 +93,6 @@ class ArestSwitch(SwitchDevice):
     @property
     def is_on(self):
         """ True if device is on. """
-        request = get('{}/digital/{}'.format(self._resource, self._pin))
-        if request.json()['return_value'] == 0:
-            self._state = False
-        else:
-            self._state = True
-
         return self._state
 
     def turn_on(self, **kwargs):
@@ -114,3 +108,8 @@ class ArestSwitch(SwitchDevice):
         if request.status_code is not 200:
             _LOGGER.error("Can't turn off the pin. Is device offline?")
         self._state = False
+
+    def update(self):
+        """ Gets the latest data from aREST API and updates the state. """
+        request = get('{}/digital/{}'.format(self._resource, self._pin))
+        self._state = request.json()['return_value'] != 0