Add Downloader interface

Downloader defines action run for a Job to download artifacts required
to run the Job.

Change-Id: I932b1630a97dc9573aa0cbf0c4726a91fb042339
Signed-off-by: Lukasz Wojciechowski <l.wojciechow@partner.samsung.com>

diff --git a/controller/downloader.go b/controller/downloader.go
new file mode 100644 (file)
index 0000000..22226a5
--- /dev/null
+++ b/controller/downloader.go
@@ -0,0 +1,33 @@
+/*
+ *  Copyright (c) 2017 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License
+ */
+
+// File controller/downloader.go defines interface for delegating downloading
+// of artifacts required to run Job.
+
+package controller
+
+import (
+       "git.tizen.org/tools/weles"
+       "git.tizen.org/tools/weles/controller/notifier"
+)
+
+// Downloader defines action run for a Job to download artifacts required to
+// run the Job.
+type Downloader interface {
+       notifier.Notifier
+       // Download downloads files required to run the Job.
+       Download(weles.JobID)
+}