[GitHub] [incubator-crail] PepperJo commented on a change in pull request #72: Allow namenode as parameter instead of conf file.

[GitBox <gi...@apache.org>]

PepperJo commented on a change in pull request #72: Allow namenode as parameter instead of conf file.
URL: https://github.com/apache/incubator-crail/pull/72#discussion_r263700220
 
 

 ##########
 File path: client/src/main/java/org/apache/crail/conf/CrailConfiguration.java
 ##########
 @@ -39,6 +39,17 @@ public CrailConfiguration() throws IOException {
 		mergeProperties(properties);
 	}
 
+  // This constructor is useful, when a client does
+  // not have access to a file system, but only needs the configuration
+  // of the namenode address. As an example, an OpenWHisk function
+  // does not have a filesystem associated and therefore cannot
+  // read the namenode address from any configuration file.
+  public CrailConfiguration(String nameNodeAddress) throws IOException {
+    conf = new ConcurrentHashMap<>();
+    conf.put("crail.namenode.address", nameNodeAddress);
 
 Review comment:
   Why not instead make a constructor which creates an empty configuration? and the client can then set all the configuration parameters to its liking?

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