FALCON-2263 Deletion of entities for an extension has to have a speci…

…fic order of deleting processes first and then feeds

Author: sandeep <sandysmdl@gmail.com>
Author: sandeep.samudrala <sandysmdl@gmail.com>

Reviewers: @pallavi-rao

Closes #347 from sandeepSamudrala/FALCON-2263 and squashes the following commits:

bc75ff2 [sandeep.samudrala] resolved merge conflicts
2850609 [sandeep.samudrala] Merge branch 'master' of https://github.com/apache/falcon into FALCON-2263
984e44e [sandeep] FALCON-2263 Deletion of entities for an extension has to have a specific order of deleting processes first and then feeds
7de7798 [sandeep] go -b FALCON-2263Merge branch 'master' of https://github.com/apache/falcon
c5da0a2 [sandeep] Merge branch 'master' of https://github.com/apache/falcon
7e16263 [sandeep] Merge branch 'master' of https://github.com/apache/falcon
a234d94 [sandeep] FALCON-2231 Incoporated review comments and small fixes for duplicate submission and colo addition to schedule command
26e3350 [sandeep] Merge branch 'master' of https://github.com/apache/falcon
73fbf75 [sandeep] Merge branch 'master' of https://github.com/apache/falcon
cc28658 [sandeep] Merge branch 'master' of https://github.com/apache/falcon
089b10d [sandeep] Merge branch 'master' of https://github.com/apache/falcon
456d4ee [sandeep] Merge branch 'master' of https://github.com/apache/falcon
0cf9af6 [sandeep] Merge branch 'master' of https://github.com/apache/falcon
4a2e23e [sandeep] Merge branch 'master' of https://github.com/apache/falcon
b1546ed [sandeep] Merge branch 'master' of https://github.com/apache/falcon
0a433fb [sandeep] Merge branch 'master' of https://github.com/apache/falcon
194f36a [sandeep] Merge branch 'master' of https://github.com/apache/falcon
e0ad358 [sandeep] Merge branch 'master' of https://github.com/apache/falcon
f96a084 [sandeep] Merge branch 'master' of https://github.com/apache/falcon
9cf36e9 [sandeep] Merge branch 'master' of https://github.com/apache/falcon
bbca081 [sandeep] Merge branch 'master' of https://github.com/apache/falcon
48f6afa [sandeep] Merge branch 'master' of https://github.com/apache/falcon
250cc46 [sandeep] Merge branch 'master' of https://github.com/apache/falcon
d0393e9 [sandeep] Merge branch 'master' of https://github.com/apache/falcon
a178805 [sandeep] Merge branch 'master' of https://github.com/apache/falcon
d6dc8bf [sandeep] Merge branch 'master' of https://github.com/apache/falcon
1bb8d3c [sandeep] Merge branch 'master' of https://github.com/apache/falcon
c065566 [sandeep] reverting last line changes made
1a4dcd2 [sandeep] rebased and resolved the conflicts from master
271318b [sandeep] FALCON-2097. Adding UT to the new method for getting next instance time with Delay.
a94d4fe [sandeep] rebasing from master
9e68a57 [sandeep] FALCON-298. Feed update with replication delay creates holes

prism/src/main/java/org/apache/falcon/resource/AbstractExtensionManager.java

@@ -169,7 +169,7 @@ private void canDeleteExtension(String extensionName) throws FalconException {
 
     protected SortedMap<EntityType, List<String>> getJobEntities(ExtensionJobsBean extensionJobsBean)
         throws FalconException {
-        TreeMap<EntityType, List<String>> entityMap = new TreeMap<>();
+        TreeMap<EntityType, List<String>> entityMap = new TreeMap<>(Collections.<EntityType>reverseOrder());
         entityMap.put(EntityType.PROCESS, extensionJobsBean.getProcesses());
         entityMap.put(EntityType.FEED, extensionJobsBean.getFeeds());
         return entityMap;