> On Jan. 18, 2016, 11:48 a.m., Ajit Kumar wrote: > > ambari-server/src/main/java/org/apache/ambari/server/controller/KerberosHelperImpl.java, > > line 478 > > <https://reviews.apache.org/r/42369/diff/1/?file=1199000#file1199000line478> > > > > It will be better to add empty collection than null. > > Robert Levas wrote: > If I did that, then in this case the ArrayList would be created twice, > rather than once. See the next few lines where the "properties" list is > further processed. > > Ajit Kumar wrote: > If you want to avoid creation of collection twice, you can just use > Collections.emptyMap() instead of null; > > Now you don't need following line of code: > if (requestConfigurationProperties == null) { > requestConfigurationProperties = new HashMap<String, > String>(); > }
I will still need to check for null, since I don't know what the passed in values have. But I will add your suggestion since I am making some other changes. - Robert ----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/42369/#review115017 ----------------------------------------------------------- On Jan. 16, 2016, 6:25 a.m., Robert Levas wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/42369/ > ----------------------------------------------------------- > > (Updated Jan. 16, 2016, 6:25 a.m.) > > > Review request for Ambari, Robert Nettleton, Sandor Magyari, and Srimanth > Gunturi. > > > Bugs: AMBARI-14698 > https://issues.apache.org/jira/browse/AMBARI-14698 > > > Repository: ambari > > > Description > ------- > > Kerberos automation logic should use the stack advisor when determining > configuration updates. This will ensure that property updates are valid given > the cluster's configuration and whether the cluster was created using the > API, UI, or BluePrints. > > > Diffs > ----- > > > ambari-server/src/main/java/org/apache/ambari/server/api/services/stackadvisor/StackAdvisorBlueprintProcessor.java > 337ad06 > > ambari-server/src/main/java/org/apache/ambari/server/controller/KerberosHelper.java > b6686b4 > > ambari-server/src/main/java/org/apache/ambari/server/controller/KerberosHelperImpl.java > 6f0fa27 > > ambari-server/src/main/java/org/apache/ambari/server/serveraction/ServerActionExecutor.java > 4c241d1 > > ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/AbstractPrepareKerberosServerAction.java > 359e651 > > ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/PrepareDisableKerberosServerAction.java > 8ab04ff > > ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/PrepareEnableKerberosServerAction.java > 84248dc > > ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/PrepareKerberosIdentitiesServerAction.java > fba3eea > > ambari-server/src/main/java/org/apache/ambari/server/topology/ClusterConfigurationRequest.java > 1e89272 > ambari-server/src/main/resources/stacks/HDP/2.0.6/services/stack_advisor.py > ca7d2dd > > ambari-server/src/test/java/org/apache/ambari/server/api/services/stackadvisor/StackAdvisorBlueprintProcessorTest.java > d5531a6 > > ambari-server/src/test/java/org/apache/ambari/server/controller/KerberosHelperTest.java > 8861549 > > ambari-server/src/test/java/org/apache/ambari/server/topology/ClusterConfigurationRequestTest.java > d1886b9 > > Diff: https://reviews.apache.org/r/42369/diff/ > > > Testing > ------- > > Manualled tested: > - creating a cluster via the UI then enabling Kerberos and disabling Kerberos > - creating a cluster via Blueprints then enabling Kerberos and disabling > Kerberos > - creating a Kerberized cluster via Blueprints then disabling Kerberos > > # Local test results: > > [INFO] > ------------------------------------------------------------------------ > [INFO] BUILD SUCCESS > [INFO] > ------------------------------------------------------------------------ > [INFO] Total time: 1:08:31.852s > [INFO] Finished at: Fri Jan 15 19:39:40 EST 2016 > [INFO] Final Memory: 56M/1632M > [INFO] > ------------------------------------------------------------------------ > > # Jenkins test results: > > [INFO] > ------------------------------------------------------------------------ > [INFO] BUILD SUCCESS > [INFO] > ------------------------------------------------------------------------ > [INFO] Total time: 01:54 h > [INFO] Finished at: 2016-01-16T05:54:09+00:00 > [INFO] Final Memory: 135M/643M > [INFO] > ------------------------------------------------------------------------ > > > Thanks, > > Robert Levas > >
