huijunwu commented on a change in pull request #2884: move downloader registry
map to yaml
URL: https://github.com/apache/incubator-heron/pull/2884#discussion_r185668803
##########
File path:
heron/downloaders/src/java/org/apache/heron/downloader/DownloadRunner.java
##########
@@ -38,7 +184,14 @@ public static void main(String[] args) throws Exception {
file.mkdirs();
}
- final Downloader downloader =
Registry.get().getDownloader(topologyLocation);
+ Map<String, Class<? extends Downloader>> downloaders = new HashMap<>();
+ for (Map.Entry<String, Object> e
+ : ((Map<String, Object>)
config.get(Key.DOWNLOADER_PROTOCOLS)).entrySet()) {
+ Class clazz = Class.forName((String) e.getValue());
+ downloaders.put(e.getKey(), clazz);
+ }
+
+ final Downloader downloader = Registry.getDownloader(downloaders,
topologyLocation);
Review comment:
updated
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