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The following commit(s) were added to refs/heads/master by this push:
     new 83be1b9  STORM-3452: blobstore-migration: fix all checkstyle warnings
     new 3cb335e  Merge pull request #3070 from 
krichter722/checkstyle-blobstore-migration
83be1b9 is described below

commit 83be1b9c015255162df41085b138c36921350ded
Author: Karl-Philipp Richter <krich...@posteo.de>
AuthorDate: Thu Jul 4 21:06:50 2019 +0200

    STORM-3452: blobstore-migration: fix all checkstyle warnings
---
 external/storm-blobstore-migration/pom.xml         |  2 +-
 .../java/org/apache/storm/blobstore/ListHDFS.java  | 20 ++++++----
 .../org/apache/storm/blobstore/ListLocalFs.java    |  3 +-
 .../org/apache/storm/blobstore/MigrateBlobs.java   | 44 +++++++++++++---------
 .../org/apache/storm/blobstore/MigratorMain.java   | 20 +++++-----
 5 files changed, 50 insertions(+), 39 deletions(-)

diff --git a/external/storm-blobstore-migration/pom.xml 
b/external/storm-blobstore-migration/pom.xml
index 69d4c5e..d7c2eb2 100644
--- a/external/storm-blobstore-migration/pom.xml
+++ b/external/storm-blobstore-migration/pom.xml
@@ -129,7 +129,7 @@ limitations under the License.
                 <artifactId>maven-checkstyle-plugin</artifactId>
                 <!--Note - the version would be inherited-->
                 <configuration>
-                    <maxAllowedViolations>56</maxAllowedViolations>
+                    <maxAllowedViolations>0</maxAllowedViolations>
                 </configuration>
             </plugin>
             <plugin>
diff --git 
a/external/storm-blobstore-migration/src/main/java/org/apache/storm/blobstore/ListHDFS.java
 
b/external/storm-blobstore-migration/src/main/java/org/apache/storm/blobstore/ListHDFS.java
index 3f4566e..96e7038 100644
--- 
a/external/storm-blobstore-migration/src/main/java/org/apache/storm/blobstore/ListHDFS.java
+++ 
b/external/storm-blobstore-migration/src/main/java/org/apache/storm/blobstore/ListHDFS.java
@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.storm.blobstore;
 
 import java.util.Map;
@@ -27,14 +28,17 @@ import org.apache.storm.hdfs.blobstore.HdfsBlobStore;
 import org.apache.storm.hdfs.blobstore.HdfsClientBlobStore;
 import org.apache.storm.utils.Utils;
 
+@SuppressWarnings("checkstyle:AbbreviationAsWordInName")
 public class ListHDFS {
     
     public static void main(String[] args) throws Exception {
-        if(args.length < 1) {
+        if (args.length < 1) {
             System.out.println("Need at least 1 argument 
(hdfs_blobstore_path), but have " + Integer.toString(args.length));
             System.out.println("listHDFS <hdfs_blobstore_path> 
<hdfs_principal> <keytab>");
             System.out.println("Lists blobs in HdfsBlobStore");
-            System.out.println("Example: listHDFS 
'hdfs://some-hdfs-namenode:8080/srv/storm/my-storm-blobstore' 
'stormUser/my-nimbus-host.example....@storm.example.com' 
'/srv/my-keytab/stormUser.kt'");
+            System.out.println("Example: listHDFS "
+                    + 
"'hdfs://some-hdfs-namenode:8080/srv/storm/my-storm-blobstore' "
+                    + 
"'stormUser/my-nimbus-host.example....@storm.example.com' 
'/srv/my-keytab/stormUser.kt'");
             System.exit(1);
         }
         
@@ -43,13 +47,13 @@ public class ListHDFS {
         
         hdfsConf.put(Config.BLOBSTORE_DIR, hdfsBlobstorePath);
         hdfsConf.put(Config.STORM_PRINCIPAL_TO_LOCAL_PLUGIN, 
"org.apache.storm.security.auth.DefaultPrincipalToLocal");
-        if(args.length >= 2) {
-               System.out.println("SETTING HDFS PRINCIPAL!");
-               hdfsConf.put(Config.BLOBSTORE_HDFS_PRINCIPAL, args[1]);
+        if (args.length >= 2) {
+            System.out.println("SETTING HDFS PRINCIPAL!");
+            hdfsConf.put(Config.BLOBSTORE_HDFS_PRINCIPAL, args[1]);
         }
-        if(args.length >= 3) {
-               System.out.println("SETTING HDFS KEYTAB!");
-               hdfsConf.put(Config.BLOBSTORE_HDFS_KEYTAB, args[2]);
+        if (args.length >= 3) {
+            System.out.println("SETTING HDFS KEYTAB!");
+            hdfsConf.put(Config.BLOBSTORE_HDFS_KEYTAB, args[2]);
         }
         
         /* CREATE THE BLOBSTORES */
diff --git 
a/external/storm-blobstore-migration/src/main/java/org/apache/storm/blobstore/ListLocalFs.java
 
b/external/storm-blobstore-migration/src/main/java/org/apache/storm/blobstore/ListLocalFs.java
index 35ff33f..aefddb8 100644
--- 
a/external/storm-blobstore-migration/src/main/java/org/apache/storm/blobstore/ListLocalFs.java
+++ 
b/external/storm-blobstore-migration/src/main/java/org/apache/storm/blobstore/ListLocalFs.java
@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.storm.blobstore;
 
 import java.util.Map;
@@ -30,7 +31,7 @@ public class ListLocalFs {
     
     public static void main(String[] args) throws Exception {
         
-        if(args.length != 1) {
+        if (args.length != 1) {
             System.out.println("Need 1 arguments, but have " + 
Integer.toString(args.length));
             System.out.println("listLocalFs <local_blobstore_dir>");
             System.out.println("Migrates blobs from LocalFsBlobStore to 
HdfsBlobStore");
diff --git 
a/external/storm-blobstore-migration/src/main/java/org/apache/storm/blobstore/MigrateBlobs.java
 
b/external/storm-blobstore-migration/src/main/java/org/apache/storm/blobstore/MigrateBlobs.java
index 4e2628b..aae81fd 100644
--- 
a/external/storm-blobstore-migration/src/main/java/org/apache/storm/blobstore/MigrateBlobs.java
+++ 
b/external/storm-blobstore-migration/src/main/java/org/apache/storm/blobstore/MigrateBlobs.java
@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.storm.blobstore;
 
 import java.io.IOException;
@@ -26,31 +27,36 @@ import javax.security.auth.login.LoginContext;
 
 import org.apache.storm.Config;
 import org.apache.storm.blobstore.BlobStore;
-import org.apache.storm.hdfs.blobstore.HdfsBlobStore;
-import org.apache.storm.nimbus.NimbusInfo;
-import org.apache.storm.utils.Utils;
 import org.apache.storm.blobstore.LocalFsBlobStore;
 import org.apache.storm.generated.AuthorizationException;
 import org.apache.storm.generated.KeyAlreadyExistsException;
 import org.apache.storm.generated.KeyNotFoundException;
 import org.apache.storm.generated.ReadableBlobMeta;
 import org.apache.storm.generated.SettableBlobMeta;
+import org.apache.storm.hdfs.blobstore.HdfsBlobStore;
+import org.apache.storm.nimbus.NimbusInfo;
+import org.apache.storm.utils.Utils;
 
 public class MigrateBlobs {
     
     protected static void deleteAllBlobStoreKeys(BlobStore bs, Subject who) 
throws AuthorizationException, KeyNotFoundException {
         Iterable<String> hdfsKeys = () -> bs.listKeys();
-        for(String key : hdfsKeys) {
+        for (String key : hdfsKeys) {
             System.out.println(key);
             bs.deleteBlob(key, who);
         }
     }
     
-    protected static void copyBlobStoreKeys(BlobStore bsFrom, Subject whoFrom, 
BlobStore bsTo, Subject whoTo) throws AuthorizationException, 
KeyAlreadyExistsException, IOException, KeyNotFoundException {
+    protected static void copyBlobStoreKeys(BlobStore bsFrom,
+            Subject whoFrom,
+            BlobStore bsTo, Subject whoTo) throws AuthorizationException,
+            KeyAlreadyExistsException,
+            IOException,
+            KeyNotFoundException {
         Iterable<String> lfsKeys = () -> bsFrom.listKeys();
-        for(String key : lfsKeys) {
-            ReadableBlobMeta readable_meta = bsFrom.getBlobMeta(key, whoFrom);
-            SettableBlobMeta meta = readable_meta.get_settable();
+        for (String key : lfsKeys) {
+            ReadableBlobMeta readableMeta = bsFrom.getBlobMeta(key, whoFrom);
+            SettableBlobMeta meta = readableMeta.get_settable();
             InputStream in = bsFrom.getBlob(key, whoFrom);
             System.out.println("COPYING BLOB " + key + " FROM " + bsFrom + " 
TO " + bsTo);
             bsTo.createBlob(key, in, meta, whoTo);
@@ -66,30 +72,32 @@ public class MigrateBlobs {
             System.out.println("Need at least 2 arguments, but have " + 
Integer.toString(args.length));
             System.out.println("migrate <local_blobstore_dir> 
<hdfs_blobstore_path> <hdfs_principal> <keytab>");
             System.out.println("Migrates blobs from LocalFsBlobStore to 
HdfsBlobStore");
-            System.out.println("Example: migrate '/srv/storm' 
'hdfs://some-hdfs-namenode:8080/srv/storm/my-storm-blobstore' 
'stormUser/my-nimbus-host.example....@storm.example.com' 
'/srv/my-keytab/stormUser.kt'");
+            System.out.println("Example: migrate '/srv/storm' "
+                    + 
"'hdfs://some-hdfs-namenode:8080/srv/storm/my-storm-blobstore' "
+                    + 
"'stormUser/my-nimbus-host.example....@storm.example.com' 
'/srv/my-keytab/stormUser.kt'");
             System.exit(1);
         }
-        
-        String localBlobstoreDir = args[0];
+
         String hdfsBlobstorePath = args[1];
         
         hdfsConf.put(Config.BLOBSTORE_DIR, hdfsBlobstorePath);
         hdfsConf.put(Config.STORM_PRINCIPAL_TO_LOCAL_PLUGIN, 
"org.apache.storm.security.auth.DefaultPrincipalToLocal");
-        if(args.length >= 3) {
-               System.out.println("SETTING HDFS PRINCIPAL!");
-               hdfsConf.put(Config.BLOBSTORE_HDFS_PRINCIPAL, args[2]);
+        if (args.length >= 3) {
+            System.out.println("SETTING HDFS PRINCIPAL!");
+            hdfsConf.put(Config.BLOBSTORE_HDFS_PRINCIPAL, args[2]);
         }
-        if(args.length >= 4) {
-               System.out.println("SETTING HDFS KEYTAB!");
-               hdfsConf.put(Config.BLOBSTORE_HDFS_KEYTAB, args[3]);
+        if (args.length >= 4) {
+            System.out.println("SETTING HDFS KEYTAB!");
+            hdfsConf.put(Config.BLOBSTORE_HDFS_KEYTAB, args[3]);
         }
         hdfsConf.put(Config.STORM_BLOBSTORE_REPLICATION_FACTOR, 7);
         
         Map<String, Object> lfsConf = Utils.readStormConfig();
+        String localBlobstoreDir = args[0];
         lfsConf.put(Config.BLOBSTORE_DIR, localBlobstoreDir);
         lfsConf.put(Config.STORM_PRINCIPAL_TO_LOCAL_PLUGIN, 
"org.apache.storm.security.auth.DefaultPrincipalToLocal");
         
-        
+
         /* CREATE THE BLOBSTORES */
         LocalFsBlobStore lfsBlobStore = new LocalFsBlobStore();
         lfsBlobStore.prepare(lfsConf, null, NimbusInfo.fromConf(lfsConf), 
null);
diff --git 
a/external/storm-blobstore-migration/src/main/java/org/apache/storm/blobstore/MigratorMain.java
 
b/external/storm-blobstore-migration/src/main/java/org/apache/storm/blobstore/MigratorMain.java
index a18376c..03d163a 100644
--- 
a/external/storm-blobstore-migration/src/main/java/org/apache/storm/blobstore/MigratorMain.java
+++ 
b/external/storm-blobstore-migration/src/main/java/org/apache/storm/blobstore/MigratorMain.java
@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.storm.blobstore;
 
 import java.util.Arrays;
@@ -22,10 +23,10 @@ import java.util.Arrays;
 import javax.security.auth.Subject;
 
 public class MigratorMain {
-       
-       public static void listBlobStoreKeys(BlobStore bs, Subject who) {
+
+    public static void listBlobStoreKeys(BlobStore bs, Subject who) {
         Iterable<String> bsKeys = () -> bs.listKeys();
-        for(String key : bsKeys) {
+        for (String key : bsKeys) {
             System.out.println(key);
         }
     }
@@ -38,20 +39,17 @@ public class MigratorMain {
     }
     
     public static void main(String[] args) throws Exception {
-        if(args.length == 0) {
+        if (args.length == 0) {
             usage();
         }
         
-        if(args[0].equals("listHDFS")) {
+        if (args[0].equals("listHDFS")) {
             ListHDFS.main(Arrays.copyOfRange(args, 1, args.length));
-        }
-        else if(args[0].equals("listLocalFs")) {
+        } else if (args[0].equals("listLocalFs")) {
             ListLocalFs.main(Arrays.copyOfRange(args, 1, args.length));
-        }
-        else if(args[0].equals("migrate")) {
+        } else if (args[0].equals("migrate")) {
             MigrateBlobs.main(Arrays.copyOfRange(args, 1, args.length));
-        }
-        else {
+        } else {
             System.out.println("Not recognized: " + args[0]);
             usage();
         }

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