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Posted to commits@ambari.apache.org by jo...@apache.org on 2016/12/12 17:25:37 UTC

[12/21] ambari git commit: AMBARI-19149 - Clean up Ambari Server source code warnings (Attila Doroszlai via jonathanhurley)

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosConfigDataFileWriterFactory.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosConfigDataFileWriterFactory.java b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosConfigDataFileWriterFactory.java
index 89b5669..655717f 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosConfigDataFileWriterFactory.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosConfigDataFileWriterFactory.java
@@ -18,11 +18,11 @@
 
 package org.apache.ambari.server.serveraction.kerberos;
 
-import com.google.inject.Singleton;
-
 import java.io.File;
 import java.io.IOException;
 
+import com.google.inject.Singleton;
+
 /**
  * KerberosConfigDataFileWriterFactory creates KerberosConfigDataFileWriter instances.
  */

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosIdentityDataFileReaderFactory.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosIdentityDataFileReaderFactory.java b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosIdentityDataFileReaderFactory.java
index 3c75466..ea40381 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosIdentityDataFileReaderFactory.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosIdentityDataFileReaderFactory.java
@@ -18,11 +18,11 @@
 
 package org.apache.ambari.server.serveraction.kerberos;
 
-import com.google.inject.Singleton;
-
 import java.io.File;
 import java.io.IOException;
 
+import com.google.inject.Singleton;
+
 /**
  * KerberosIdentityDataFileReaderFactory creates KerberosIdentityDataFileReader instances.
  */

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosIdentityDataFileWriterFactory.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosIdentityDataFileWriterFactory.java b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosIdentityDataFileWriterFactory.java
index 6176071..3c3a945 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosIdentityDataFileWriterFactory.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosIdentityDataFileWriterFactory.java
@@ -18,11 +18,11 @@
 
 package org.apache.ambari.server.serveraction.kerberos;
 
-import com.google.inject.Singleton;
-
 import java.io.File;
 import java.io.IOException;
 
+import com.google.inject.Singleton;
+
 /**
  * KerberosIdentityDataFileWriterFactory creates KerberosIdentityDataFileWriter  instances.
  */

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosOperationHandler.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosOperationHandler.java b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosOperationHandler.java
index 51d1398..3e5e54c 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosOperationHandler.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosOperationHandler.java
@@ -18,20 +18,6 @@
 
 package org.apache.ambari.server.serveraction.kerberos;
 
-import org.apache.ambari.server.security.credential.PrincipalKeyCredential;
-import org.apache.ambari.server.utils.ShellCommandUtil;
-import org.apache.commons.codec.binary.Base64;
-import org.apache.commons.lang.ArrayUtils;
-import org.apache.commons.lang.StringUtils;
-import org.apache.directory.server.kerberos.shared.crypto.encryption.KerberosKeyFactory;
-import org.apache.directory.server.kerberos.shared.keytab.Keytab;
-import org.apache.directory.server.kerberos.shared.keytab.KeytabEntry;
-import org.apache.directory.shared.kerberos.KerberosTime;
-import org.apache.directory.shared.kerberos.codec.types.EncryptionType;
-import org.apache.directory.shared.kerberos.components.EncryptionKey;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
@@ -47,6 +33,20 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
+import org.apache.ambari.server.security.credential.PrincipalKeyCredential;
+import org.apache.ambari.server.utils.ShellCommandUtil;
+import org.apache.commons.codec.binary.Base64;
+import org.apache.commons.lang.ArrayUtils;
+import org.apache.commons.lang.StringUtils;
+import org.apache.directory.server.kerberos.shared.crypto.encryption.KerberosKeyFactory;
+import org.apache.directory.server.kerberos.shared.keytab.Keytab;
+import org.apache.directory.server.kerberos.shared.keytab.KeytabEntry;
+import org.apache.directory.shared.kerberos.KerberosTime;
+import org.apache.directory.shared.kerberos.codec.types.EncryptionType;
+import org.apache.directory.shared.kerberos.components.EncryptionKey;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 /**
  * KerberosOperationHandler is an abstract class providing basic implementations of common Kerberos
  * operations (like generating secure passwords) and placeholders for KDC-specific operations

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosServerAction.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosServerAction.java b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosServerAction.java
index 1d8c1ca..cab3d8d 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosServerAction.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosServerAction.java
@@ -18,7 +18,13 @@
 
 package org.apache.ambari.server.serveraction.kerberos;
 
-import com.google.inject.Inject;
+import static org.apache.ambari.server.serveraction.kerberos.KerberosIdentityDataFileReader.DATA_FILE_NAME;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
 import org.apache.ambari.server.AmbariException;
 import org.apache.ambari.server.actionmanager.HostRoleStatus;
 import org.apache.ambari.server.agent.CommandReport;
@@ -32,12 +38,7 @@ import org.apache.ambari.server.utils.StageUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import static org.apache.ambari.server.serveraction.kerberos.KerberosIdentityDataFileReader.DATA_FILE_NAME;
-
-import java.io.File;
-import java.io.IOException;
-import java.util.HashMap;
-import java.util.Map;
+import com.google.inject.Inject;
 
 /**
  * KerberosServerAction is an abstract class to be implemented by Kerberos-related

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/MITKerberosOperationHandler.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/MITKerberosOperationHandler.java b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/MITKerberosOperationHandler.java
index 4b20973..2880f6e 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/MITKerberosOperationHandler.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/MITKerberosOperationHandler.java
@@ -18,15 +18,6 @@
 
 package org.apache.ambari.server.serveraction.kerberos;
 
-import com.google.inject.Inject;
-import org.apache.ambari.server.configuration.Configuration;
-import org.apache.ambari.server.security.credential.PrincipalKeyCredential;
-import org.apache.ambari.server.utils.ShellCommandUtil;
-import org.apache.commons.lang.ArrayUtils;
-import org.apache.commons.lang.StringUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.text.NumberFormat;
 import java.text.ParseException;
 import java.util.ArrayList;
@@ -37,6 +28,16 @@ import java.util.Queue;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
+import org.apache.ambari.server.configuration.Configuration;
+import org.apache.ambari.server.security.credential.PrincipalKeyCredential;
+import org.apache.ambari.server.utils.ShellCommandUtil;
+import org.apache.commons.lang.ArrayUtils;
+import org.apache.commons.lang.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.inject.Inject;
+
 /**
  * MITKerberosOperationHandler is an implementation of a KerberosOperationHandler providing
  * functionality specifically for an MIT KDC. See http://web.mit.edu/kerberos.

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/PrepareDisableKerberosServerAction.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/PrepareDisableKerberosServerAction.java b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/PrepareDisableKerberosServerAction.java
index 5c56588..f221ee7 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/PrepareDisableKerberosServerAction.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/PrepareDisableKerberosServerAction.java
@@ -18,7 +18,17 @@
 
 package org.apache.ambari.server.serveraction.kerberos;
 
-import com.google.inject.Inject;
+import java.io.File;
+import java.io.IOException;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ConcurrentMap;
+import java.util.regex.Matcher;
+
 import org.apache.ambari.server.AmbariException;
 import org.apache.ambari.server.actionmanager.HostRoleStatus;
 import org.apache.ambari.server.agent.CommandReport;
@@ -33,16 +43,7 @@ import org.apache.ambari.server.state.kerberos.KerberosDescriptor;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.io.File;
-import java.io.IOException;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.concurrent.ConcurrentMap;
-import java.util.regex.Matcher;
+import com.google.inject.Inject;
 
 /**
  * PrepareEnableKerberosServerAction is a ServerAction implementation that prepares metadata needed

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/PrepareEnableKerberosServerAction.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/PrepareEnableKerberosServerAction.java b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/PrepareEnableKerberosServerAction.java
index 70b7135..1e6cc46 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/PrepareEnableKerberosServerAction.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/PrepareEnableKerberosServerAction.java
@@ -18,6 +18,13 @@
 
 package org.apache.ambari.server.serveraction.kerberos;
 
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ConcurrentMap;
+
 import org.apache.ambari.server.AmbariException;
 import org.apache.ambari.server.actionmanager.HostRoleStatus;
 import org.apache.ambari.server.agent.CommandReport;
@@ -26,13 +33,6 @@ import org.apache.ambari.server.state.Cluster;
 import org.apache.ambari.server.state.ServiceComponentHost;
 import org.apache.ambari.server.state.kerberos.KerberosDescriptor;
 
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.concurrent.ConcurrentMap;
-
 /**
  * PrepareEnableKerberosServerAction is a ServerAction implementation that prepares metadata needed
  * to enable Kerberos on the cluster.

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/PrepareKerberosIdentitiesServerAction.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/PrepareKerberosIdentitiesServerAction.java b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/PrepareKerberosIdentitiesServerAction.java
index f48b5ef..b466226 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/PrepareKerberosIdentitiesServerAction.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/PrepareKerberosIdentitiesServerAction.java
@@ -18,7 +18,16 @@
 
 package org.apache.ambari.server.serveraction.kerberos;
 
-import com.google.inject.Inject;
+import java.io.File;
+import java.io.IOException;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ConcurrentMap;
+
 import org.apache.ambari.server.AmbariException;
 import org.apache.ambari.server.actionmanager.HostRoleStatus;
 import org.apache.ambari.server.agent.CommandReport;
@@ -29,15 +38,7 @@ import org.apache.ambari.server.state.kerberos.KerberosDescriptor;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.io.File;
-import java.io.IOException;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.concurrent.ConcurrentMap;
+import com.google.inject.Inject;
 
 /**
  * PrepareKerberosIdentitiesServerAction is a ServerAction implementation that prepares metadata needed

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/TrustingSSLSocketFactory.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/TrustingSSLSocketFactory.java b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/TrustingSSLSocketFactory.java
index 73478c3..52b3703 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/TrustingSSLSocketFactory.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/TrustingSSLSocketFactory.java
@@ -18,11 +18,6 @@
 
 package org.apache.ambari.server.serveraction.kerberos;
 
-import javax.net.SocketFactory;
-import javax.net.ssl.SSLContext;
-import javax.net.ssl.SSLSocketFactory;
-import javax.net.ssl.TrustManager;
-import javax.net.ssl.X509TrustManager;
 import java.io.IOException;
 import java.net.InetAddress;
 import java.net.Socket;
@@ -31,6 +26,12 @@ import java.security.SecureRandom;
 import java.security.cert.CertificateException;
 import java.security.cert.X509Certificate;
 
+import javax.net.SocketFactory;
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLSocketFactory;
+import javax.net.ssl.TrustManager;
+import javax.net.ssl.X509TrustManager;
+
 public class TrustingSSLSocketFactory extends SSLSocketFactory {
   private SSLSocketFactory socketFactory;
 

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/UpdateKerberosConfigsServerAction.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/UpdateKerberosConfigsServerAction.java b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/UpdateKerberosConfigsServerAction.java
index 931806d..9bf6b51 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/UpdateKerberosConfigsServerAction.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/UpdateKerberosConfigsServerAction.java
@@ -18,7 +18,15 @@
 
 package org.apache.ambari.server.serveraction.kerberos;
 
-import com.google.inject.Inject;
+import java.io.File;
+import java.io.IOException;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ConcurrentMap;
+
 import org.apache.ambari.server.AmbariException;
 import org.apache.ambari.server.actionmanager.HostRoleStatus;
 import org.apache.ambari.server.agent.CommandReport;
@@ -31,14 +39,7 @@ import org.apache.ambari.server.state.SecurityType;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.io.File;
-import java.io.IOException;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
-import java.util.concurrent.ConcurrentMap;
+import com.google.inject.Inject;
 
 /**
  * UpdateKerberosConfigServerAction is implementation of ServerAction that updates service configs

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/FinalizeUpgradeAction.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/FinalizeUpgradeAction.java b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/FinalizeUpgradeAction.java
index e73651e..ed874c1 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/FinalizeUpgradeAction.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/FinalizeUpgradeAction.java
@@ -32,7 +32,6 @@ import org.apache.ambari.server.AmbariException;
 import org.apache.ambari.server.actionmanager.HostRoleStatus;
 import org.apache.ambari.server.agent.CommandReport;
 import org.apache.ambari.server.api.services.AmbariMetaInfo;
-import org.apache.ambari.server.events.HostComponentVersionAdvertisedEvent;
 import org.apache.ambari.server.events.StackUpgradeFinishEvent;
 import org.apache.ambari.server.events.publishers.VersionEventPublisher;
 import org.apache.ambari.server.orm.dao.ClusterVersionDAO;

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/RangerWebAlertConfigAction.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/RangerWebAlertConfigAction.java b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/RangerWebAlertConfigAction.java
index 31c11bd..905f5d1 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/RangerWebAlertConfigAction.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/RangerWebAlertConfigAction.java
@@ -18,9 +18,10 @@
 
 package org.apache.ambari.server.serveraction.upgrades;
 
-import com.google.gson.JsonObject;
-import com.google.gson.JsonParser;
-import com.google.inject.Inject;
+import java.util.Set;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentMap;
+
 import org.apache.ambari.server.AmbariException;
 import org.apache.ambari.server.actionmanager.HostRoleStatus;
 import org.apache.ambari.server.agent.CommandReport;
@@ -35,9 +36,9 @@ import org.apache.ambari.server.state.alert.AlertDefinitionHash;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.Set;
-import java.util.UUID;
-import java.util.concurrent.ConcurrentMap;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import com.google.inject.Inject;
 
 /**
  * This class is used to update Ranger service alert-check configs in Ambari

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/UpdateDesiredStackAction.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/UpdateDesiredStackAction.java b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/UpdateDesiredStackAction.java
index 3d304ea..134288f 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/UpdateDesiredStackAction.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/UpdateDesiredStackAction.java
@@ -16,6 +16,7 @@
  * limitations under the License.
  */
 package org.apache.ambari.server.serveraction.upgrades;
+
 import static org.apache.ambari.server.agent.ExecutionCommand.KeyNames.VERSION;
 
 import java.io.PrintWriter;
@@ -38,11 +39,11 @@ import org.apache.ambari.server.state.StackId;
 import org.apache.ambari.server.state.StackInfo;
 import org.apache.ambari.server.state.stack.UpgradePack;
 import org.apache.ambari.server.state.stack.upgrade.Direction;
-
-import com.google.inject.Inject;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import com.google.inject.Inject;
+
 /**
  * Action that represents updating the Desired Stack Id during the middle of a stack upgrade (typically NonRolling).
  * In a {@link org.apache.ambari.server.state.stack.upgrade.UpgradeType#NON_ROLLING}, the effective Stack Id is

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/UpgradeUserKerberosDescriptor.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/UpgradeUserKerberosDescriptor.java b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/UpgradeUserKerberosDescriptor.java
index f1eab38..6f79670 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/UpgradeUserKerberosDescriptor.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/UpgradeUserKerberosDescriptor.java
@@ -17,7 +17,11 @@
  */
 package org.apache.ambari.server.serveraction.upgrades;
 
-import com.google.inject.Inject;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.TreeMap;
+import java.util.concurrent.ConcurrentMap;
+
 import org.apache.ambari.server.AmbariException;
 import org.apache.ambari.server.actionmanager.HostRoleCommand;
 import org.apache.ambari.server.actionmanager.HostRoleStatus;
@@ -37,10 +41,7 @@ import org.apache.commons.lang.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.ArrayList;
-import java.util.List;
-import java.util.TreeMap;
-import java.util.concurrent.ConcurrentMap;
+import com.google.inject.Inject;
 
 /**
  * Update the user-defined Kerberos Descriptor to work with the current stack.

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/serveraction/users/PostUserCreationHookServerAction.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/users/PostUserCreationHookServerAction.java b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/users/PostUserCreationHookServerAction.java
index e713128..b7a04e8 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/users/PostUserCreationHookServerAction.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/users/PostUserCreationHookServerAction.java
@@ -23,8 +23,6 @@ import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
 import java.util.concurrent.ConcurrentMap;
-import java.util.concurrent.Executors;
-import java.util.concurrent.Future;
 
 import javax.inject.Inject;
 import javax.inject.Singleton;
@@ -34,7 +32,6 @@ import org.apache.ambari.server.actionmanager.HostRoleStatus;
 import org.apache.ambari.server.agent.CommandReport;
 import org.apache.ambari.server.hooks.users.UserHookParams;
 import org.apache.ambari.server.serveraction.AbstractServerAction;
-import org.apache.ambari.server.topology.AsyncCallableService;
 import org.apache.ambari.server.utils.ShellCommandUtil;
 import org.codehaus.jackson.map.ObjectMapper;
 import org.slf4j.Logger;

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/serveraction/users/ShellCommandUtilityCallable.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/users/ShellCommandUtilityCallable.java b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/users/ShellCommandUtilityCallable.java
index a59bc75..f5d19e1 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/serveraction/users/ShellCommandUtilityCallable.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/serveraction/users/ShellCommandUtilityCallable.java
@@ -20,7 +20,6 @@ package org.apache.ambari.server.serveraction.users;
 
 import java.util.concurrent.Callable;
 
-import javax.inject.Inject;
 import javax.inject.Singleton;
 
 import org.apache.ambari.server.utils.ShellCommandUtil;

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/stack/BaseModule.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/stack/BaseModule.java b/ambari-server/src/main/java/org/apache/ambari/server/stack/BaseModule.java
index 0e1116f..28b8e46 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/stack/BaseModule.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/stack/BaseModule.java
@@ -18,14 +18,14 @@
 
 package org.apache.ambari.server.stack;
 
-import org.apache.ambari.server.AmbariException;
-
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.Map;
 import java.util.Set;
 
+import org.apache.ambari.server.AmbariException;
+
 /**
  * Abstract base service definition module.
  * Provides functionality that is common across multiple modules.

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/stack/CommonServiceDirectory.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/stack/CommonServiceDirectory.java b/ambari-server/src/main/java/org/apache/ambari/server/stack/CommonServiceDirectory.java
index 40e7105..bcdb3a9 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/stack/CommonServiceDirectory.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/stack/CommonServiceDirectory.java
@@ -18,10 +18,10 @@
 
 package org.apache.ambari.server.stack;
 
-import org.apache.ambari.server.AmbariException;
-
 import java.io.File;
 
+import org.apache.ambari.server.AmbariException;
+
 /**
  * Encapsulates IO operations on a common services directory.
  */

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/stack/ComponentModule.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/stack/ComponentModule.java b/ambari-server/src/main/java/org/apache/ambari/server/stack/ComponentModule.java
index a90ea1a..51d9847 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/stack/ComponentModule.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/stack/ComponentModule.java
@@ -18,6 +18,12 @@
 
 package org.apache.ambari.server.stack;
 
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
 import org.apache.ambari.server.state.ComponentInfo;
 import org.apache.ambari.server.state.CustomCommandDefinition;
 import org.apache.ambari.server.state.DependencyInfo;
@@ -25,12 +31,6 @@ import org.apache.ambari.server.state.LogDefinition;
 import org.apache.commons.lang.builder.ToStringBuilder;
 import org.apache.commons.lang.builder.ToStringStyle;
 
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
 /**
  * Component module which provides all functionality related to parsing and fully
  * resolving service components from the stack definition.

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/stack/ConfigurationDirectory.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/stack/ConfigurationDirectory.java b/ambari-server/src/main/java/org/apache/ambari/server/stack/ConfigurationDirectory.java
index 0301f13..a30da6b 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/stack/ConfigurationDirectory.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/stack/ConfigurationDirectory.java
@@ -18,6 +18,18 @@
 
 package org.apache.ambari.server.stack;
 
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import javax.xml.bind.JAXBException;
+import javax.xml.bind.UnmarshalException;
+import javax.xml.namespace.QName;
+
 import org.apache.ambari.server.api.services.AmbariMetaInfo;
 import org.apache.ambari.server.state.ConfigHelper;
 import org.apache.ambari.server.state.PropertyInfo;
@@ -28,17 +40,6 @@ import org.apache.commons.io.FileUtils;
 import org.apache.commons.lang.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-
-import javax.xml.namespace.QName;
-import java.io.File;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import javax.xml.bind.JAXBException;
-import javax.xml.bind.UnmarshalException;
 import org.xml.sax.SAXParseException;
 
 /**

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/stack/ExtensionModule.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/stack/ExtensionModule.java b/ambari-server/src/main/java/org/apache/ambari/server/stack/ExtensionModule.java
index e3f8d0d..51b6104 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/stack/ExtensionModule.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/stack/ExtensionModule.java
@@ -27,14 +27,9 @@ import java.util.Map;
 import java.util.Set;
 
 import org.apache.ambari.server.AmbariException;
-import org.apache.ambari.server.state.ConfigHelper;
 import org.apache.ambari.server.state.ExtensionInfo;
-import org.apache.ambari.server.state.PropertyDependencyInfo;
-import org.apache.ambari.server.state.PropertyInfo;
-import org.apache.ambari.server.state.RepositoryInfo;
 import org.apache.ambari.server.state.ServiceInfo;
 import org.apache.ambari.server.state.stack.ExtensionMetainfoXml;
-import org.apache.ambari.server.state.stack.RepositoryXml;
 import org.apache.ambari.server.state.stack.ServiceMetainfoXml;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/stack/QuickLinksConfigurationModule.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/stack/QuickLinksConfigurationModule.java b/ambari-server/src/main/java/org/apache/ambari/server/stack/QuickLinksConfigurationModule.java
index ed8e8cf..9554f0c 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/stack/QuickLinksConfigurationModule.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/stack/QuickLinksConfigurationModule.java
@@ -17,13 +17,6 @@
  */
 package org.apache.ambari.server.stack;
 
-import org.apache.ambari.server.AmbariException;
-import org.apache.ambari.server.state.QuickLinksConfigurationInfo;
-import org.apache.ambari.server.state.quicklinks.QuickLinks;
-import org.codehaus.jackson.map.ObjectMapper;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.FileReader;
@@ -34,6 +27,13 @@ import java.util.HashSet;
 import java.util.Map;
 import java.util.Set;
 
+import org.apache.ambari.server.AmbariException;
+import org.apache.ambari.server.state.QuickLinksConfigurationInfo;
+import org.apache.ambari.server.state.quicklinks.QuickLinks;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 public class QuickLinksConfigurationModule extends BaseModule<QuickLinksConfigurationModule, QuickLinksConfigurationInfo> implements Validable {
 
   private static final Logger LOG = LoggerFactory.getLogger(QuickLinksConfigurationModule.class);

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/stack/ServiceModule.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/stack/ServiceModule.java b/ambari-server/src/main/java/org/apache/ambari/server/stack/ServiceModule.java
index d1dc1df..c027f7f 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/stack/ServiceModule.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/stack/ServiceModule.java
@@ -18,11 +18,17 @@
 
 package org.apache.ambari.server.stack;
 
-import com.google.common.base.Function;
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.Iterables;
-import com.google.common.collect.Lists;
-import com.google.common.collect.Sets;
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import javax.annotation.Nullable;
 
 import org.apache.ambari.server.AmbariException;
 import org.apache.ambari.server.api.services.AmbariMetaInfo;
@@ -39,17 +45,11 @@ import org.apache.commons.lang.builder.ToStringStyle;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import javax.annotation.Nullable;
-
-import java.io.File;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
+import com.google.common.base.Function;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Iterables;
+import com.google.common.collect.Lists;
+import com.google.common.collect.Sets;
 
 
 /**

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/stack/StackContext.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/stack/StackContext.java b/ambari-server/src/main/java/org/apache/ambari/server/stack/StackContext.java
index 37e4b5f..8e2e1e1 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/stack/StackContext.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/stack/StackContext.java
@@ -18,13 +18,6 @@
 
 package org.apache.ambari.server.stack;
 
-import org.apache.ambari.server.api.services.AmbariMetaInfo;
-import org.apache.ambari.server.metadata.ActionMetadata;
-import org.apache.ambari.server.orm.dao.MetainfoDAO;
-import org.apache.ambari.server.orm.entities.MetainfoEntity;
-import org.apache.ambari.server.state.stack.LatestRepoCallable;
-import org.apache.ambari.server.state.stack.OsFamily;
-
 import java.io.File;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -33,6 +26,13 @@ import java.util.concurrent.Executors;
 import java.util.concurrent.Future;
 import java.util.concurrent.ThreadFactory;
 
+import org.apache.ambari.server.api.services.AmbariMetaInfo;
+import org.apache.ambari.server.metadata.ActionMetadata;
+import org.apache.ambari.server.orm.dao.MetainfoDAO;
+import org.apache.ambari.server.orm.entities.MetainfoEntity;
+import org.apache.ambari.server.state.stack.LatestRepoCallable;
+import org.apache.ambari.server.state.stack.OsFamily;
+
 /**
  * Provides external functionality to the Stack framework.
  */

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/stack/StackDefinitionModule.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/stack/StackDefinitionModule.java b/ambari-server/src/main/java/org/apache/ambari/server/stack/StackDefinitionModule.java
index 0e834b8..c5ce976 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/stack/StackDefinitionModule.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/stack/StackDefinitionModule.java
@@ -19,10 +19,10 @@
 package org.apache.ambari.server.stack;
 
 
-import org.apache.ambari.server.AmbariException;
-
 import java.util.Map;
 
+import org.apache.ambari.server.AmbariException;
+
 /**
  * Stack Definition Module.
  * Represents a module within a stack definition tree.  For each stack version specified in

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/stack/StackManager.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/stack/StackManager.java b/ambari-server/src/main/java/org/apache/ambari/server/stack/StackManager.java
index 0e2e0d8..28d9e5d 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/stack/StackManager.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/stack/StackManager.java
@@ -51,10 +51,10 @@ import org.apache.ambari.server.state.stack.ServiceMetainfoXml;
 import org.apache.commons.io.FileUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.xml.sax.SAXException;
 
 import com.google.inject.Inject;
 import com.google.inject.assistedinject.Assisted;
-import org.xml.sax.SAXException;
 
 
 /**

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/stack/StackServiceDirectory.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/stack/StackServiceDirectory.java b/ambari-server/src/main/java/org/apache/ambari/server/stack/StackServiceDirectory.java
index 611b6bd..736ae95 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/stack/StackServiceDirectory.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/stack/StackServiceDirectory.java
@@ -21,6 +21,7 @@ package org.apache.ambari.server.stack;
 import java.io.File;
 import java.util.Arrays;
 import java.util.Collection;
+
 import javax.annotation.Nullable;
 
 import org.apache.ambari.server.AmbariException;

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/stack/ThemeModule.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/stack/ThemeModule.java b/ambari-server/src/main/java/org/apache/ambari/server/stack/ThemeModule.java
index 30c1f1b..f07efea 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/stack/ThemeModule.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/stack/ThemeModule.java
@@ -17,13 +17,6 @@
  */
 package org.apache.ambari.server.stack;
 
-import org.apache.ambari.server.AmbariException;
-import org.apache.ambari.server.state.ThemeInfo;
-import org.apache.ambari.server.state.theme.Theme;
-import org.codehaus.jackson.map.ObjectMapper;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.FileReader;
@@ -34,6 +27,13 @@ import java.util.HashSet;
 import java.util.Map;
 import java.util.Set;
 
+import org.apache.ambari.server.AmbariException;
+import org.apache.ambari.server.state.ThemeInfo;
+import org.apache.ambari.server.state.theme.Theme;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 public class ThemeModule extends BaseModule<ThemeModule, ThemeInfo> implements Validable {
 
   private static final Logger LOG = LoggerFactory.getLogger(ThemeModule.class);

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/stack/UpdateActiveRepoVersionOnStartup.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/stack/UpdateActiveRepoVersionOnStartup.java b/ambari-server/src/main/java/org/apache/ambari/server/stack/UpdateActiveRepoVersionOnStartup.java
index 8a32a42..29af6a8 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/stack/UpdateActiveRepoVersionOnStartup.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/stack/UpdateActiveRepoVersionOnStartup.java
@@ -19,6 +19,7 @@
 package org.apache.ambari.server.stack;
 
 import java.util.List;
+
 import javax.annotation.Nullable;
 
 import org.apache.ambari.server.AmbariException;

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/stageplanner/RoleGraph.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/stageplanner/RoleGraph.java b/ambari-server/src/main/java/org/apache/ambari/server/stageplanner/RoleGraph.java
index c8a18b6..404e4ff 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/stageplanner/RoleGraph.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/stageplanner/RoleGraph.java
@@ -17,24 +17,23 @@
  */
 package org.apache.ambari.server.stageplanner;
 
-import com.google.inject.Inject;
-import com.google.inject.assistedinject.Assisted;
-import com.google.inject.assistedinject.AssistedInject;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.TreeMap;
 
 import org.apache.ambari.server.RoleCommand;
+import org.apache.ambari.server.actionmanager.CommandExecutionType;
 import org.apache.ambari.server.actionmanager.HostRoleCommand;
 import org.apache.ambari.server.actionmanager.Stage;
-import org.apache.ambari.server.actionmanager.CommandExecutionType;
 import org.apache.ambari.server.actionmanager.StageFactory;
 import org.apache.ambari.server.metadata.RoleCommandOrder;
-
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-import java.util.TreeMap;
+import com.google.inject.Inject;
+import com.google.inject.assistedinject.Assisted;
+import com.google.inject.assistedinject.AssistedInject;
 
 public class RoleGraph {
 

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/BulkCommandDefinition.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/BulkCommandDefinition.java b/ambari-server/src/main/java/org/apache/ambari/server/state/BulkCommandDefinition.java
index 7b02829..122e2f4 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/BulkCommandDefinition.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/BulkCommandDefinition.java
@@ -17,11 +17,12 @@
  */
 package org.apache.ambari.server.state;
 
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+
 import org.apache.commons.lang.builder.EqualsBuilder;
 import org.apache.commons.lang.builder.HashCodeBuilder;
 
-import javax.xml.bind.annotation.*;
-
 /**
  * Represents the customCommand tag at service/component metainfo
  */

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/ClientConfigFileDefinition.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/ClientConfigFileDefinition.java b/ambari-server/src/main/java/org/apache/ambari/server/state/ClientConfigFileDefinition.java
index 6d31d98..f31271b 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/ClientConfigFileDefinition.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/ClientConfigFileDefinition.java
@@ -17,12 +17,12 @@
  */
 package org.apache.ambari.server.state;
 
-import org.apache.commons.lang.builder.EqualsBuilder;
-import org.apache.commons.lang.builder.HashCodeBuilder;
-
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 
+import org.apache.commons.lang.builder.EqualsBuilder;
+import org.apache.commons.lang.builder.HashCodeBuilder;
+
 /**
  * Represents the configFiles tag at service/component metainfo
  */

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/CommandScriptDefinition.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/CommandScriptDefinition.java b/ambari-server/src/main/java/org/apache/ambari/server/state/CommandScriptDefinition.java
index e35619f..cee55fa 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/CommandScriptDefinition.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/CommandScriptDefinition.java
@@ -19,12 +19,12 @@
 package org.apache.ambari.server.state;
 
 
-import org.apache.commons.lang.builder.EqualsBuilder;
-import org.apache.commons.lang.builder.HashCodeBuilder;
-
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 
+import org.apache.commons.lang.builder.EqualsBuilder;
+import org.apache.commons.lang.builder.HashCodeBuilder;
+
 
 /**
  * Represents info about command script

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/ComponentInfo.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/ComponentInfo.java b/ambari-server/src/main/java/org/apache/ambari/server/state/ComponentInfo.java
index bd9b798..409bcae 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/ComponentInfo.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/ComponentInfo.java
@@ -18,6 +18,9 @@
 
 package org.apache.ambari.server.state;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.XmlElement;
@@ -27,9 +30,6 @@ import javax.xml.bind.annotation.XmlElements;
 import org.apache.commons.lang.builder.ToStringBuilder;
 import org.apache.commons.lang.builder.ToStringStyle;
 
-import java.util.ArrayList;
-import java.util.List;
-
 @XmlAccessorType(XmlAccessType.FIELD)
 public class ComponentInfo {
   private String name;

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/ConfigHelper.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/ConfigHelper.java b/ambari-server/src/main/java/org/apache/ambari/server/state/ConfigHelper.java
index 8022457..3fb036d 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/ConfigHelper.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/ConfigHelper.java
@@ -31,7 +31,6 @@ import java.util.Set;
 import java.util.TreeMap;
 import java.util.concurrent.TimeUnit;
 
-import com.google.common.base.Objects;
 import org.apache.ambari.server.AmbariException;
 import org.apache.ambari.server.api.services.AmbariMetaInfo;
 import org.apache.ambari.server.configuration.Configuration;
@@ -45,6 +44,7 @@ import org.apache.commons.lang.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import com.google.common.base.Objects;
 import com.google.common.cache.Cache;
 import com.google.common.cache.CacheBuilder;
 import com.google.common.collect.Maps;

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/CustomCommandDefinition.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/CustomCommandDefinition.java b/ambari-server/src/main/java/org/apache/ambari/server/state/CustomCommandDefinition.java
index 72eeb50..280a59b 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/CustomCommandDefinition.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/CustomCommandDefinition.java
@@ -17,11 +17,12 @@
  */
 package org.apache.ambari.server.state;
 
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+
 import org.apache.commons.lang.builder.EqualsBuilder;
 import org.apache.commons.lang.builder.HashCodeBuilder;
 
-import javax.xml.bind.annotation.*;
-
 /**
  * Represents the customCommand tag at service/component metainfo
  */

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/DependencyConditionInfo.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/DependencyConditionInfo.java b/ambari-server/src/main/java/org/apache/ambari/server/state/DependencyConditionInfo.java
index 66c3e2b..5d9358c 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/DependencyConditionInfo.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/DependencyConditionInfo.java
@@ -19,6 +19,7 @@
 package org.apache.ambari.server.state;
 
 import java.util.Map;
+
 import javax.xml.bind.annotation.XmlElement;
 import javax.xml.bind.annotation.XmlSeeAlso;
 import javax.xml.bind.annotation.XmlTransient;

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/DependencyInfo.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/DependencyInfo.java b/ambari-server/src/main/java/org/apache/ambari/server/state/DependencyInfo.java
index 540767c..8703661 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/DependencyInfo.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/DependencyInfo.java
@@ -21,9 +21,11 @@ package org.apache.ambari.server.state;
 
 import java.util.ArrayList;
 import java.util.List;
+
 import javax.xml.bind.annotation.XmlElement;
 import javax.xml.bind.annotation.XmlElementWrapper;
 import javax.xml.bind.annotation.XmlElements;
+
 import org.apache.commons.collections.CollectionUtils;
 
 /**

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/ExtensionInfo.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/ExtensionInfo.java b/ambari-server/src/main/java/org/apache/ambari/server/state/ExtensionInfo.java
index 89a6fb5..13cfe92 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/ExtensionInfo.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/ExtensionInfo.java
@@ -21,7 +21,6 @@ package org.apache.ambari.server.state;
 import java.io.File;
 import java.util.ArrayList;
 import java.util.Collection;
-import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/QuickLinksConfigurationInfo.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/QuickLinksConfigurationInfo.java b/ambari-server/src/main/java/org/apache/ambari/server/state/QuickLinksConfigurationInfo.java
index 86fc002..d4bdce8 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/QuickLinksConfigurationInfo.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/QuickLinksConfigurationInfo.java
@@ -17,6 +17,8 @@
  */
 package org.apache.ambari.server.state;
 
+import java.util.Map;
+
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.XmlElement;
@@ -24,8 +26,6 @@ import javax.xml.bind.annotation.XmlTransient;
 
 import org.apache.ambari.server.state.quicklinks.QuickLinks;
 
-import java.util.Map;
-
 /**
  * Wrapper for quickLinksConfiguration description
  */

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/RepositoryInfo.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/RepositoryInfo.java b/ambari-server/src/main/java/org/apache/ambari/server/state/RepositoryInfo.java
index 53fea4a..41ea5e7 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/RepositoryInfo.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/RepositoryInfo.java
@@ -18,10 +18,10 @@
 
 package org.apache.ambari.server.state;
 
-import com.google.common.base.Objects;
 import org.apache.ambari.server.controller.RepositoryResponse;
 
 import com.google.common.base.Function;
+import com.google.common.base.Objects;
 import com.google.common.base.Strings;
 
 public class RepositoryInfo {

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/ServiceComponentHostEvent.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/ServiceComponentHostEvent.java b/ambari-server/src/main/java/org/apache/ambari/server/state/ServiceComponentHostEvent.java
index f624f74..72c810d 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/ServiceComponentHostEvent.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/ServiceComponentHostEvent.java
@@ -21,7 +21,21 @@ package org.apache.ambari.server.state;
 import java.util.Map;
 
 import org.apache.ambari.server.state.fsm.event.AbstractEvent;
-import org.apache.ambari.server.state.svccomphost.*;
+import org.apache.ambari.server.state.svccomphost.ServiceComponentHostDisableEvent;
+import org.apache.ambari.server.state.svccomphost.ServiceComponentHostInstallEvent;
+import org.apache.ambari.server.state.svccomphost.ServiceComponentHostOpFailedEvent;
+import org.apache.ambari.server.state.svccomphost.ServiceComponentHostOpInProgressEvent;
+import org.apache.ambari.server.state.svccomphost.ServiceComponentHostOpRestartedEvent;
+import org.apache.ambari.server.state.svccomphost.ServiceComponentHostOpSucceededEvent;
+import org.apache.ambari.server.state.svccomphost.ServiceComponentHostRestoreEvent;
+import org.apache.ambari.server.state.svccomphost.ServiceComponentHostServerActionEvent;
+import org.apache.ambari.server.state.svccomphost.ServiceComponentHostStartEvent;
+import org.apache.ambari.server.state.svccomphost.ServiceComponentHostStartedEvent;
+import org.apache.ambari.server.state.svccomphost.ServiceComponentHostStopEvent;
+import org.apache.ambari.server.state.svccomphost.ServiceComponentHostStoppedEvent;
+import org.apache.ambari.server.state.svccomphost.ServiceComponentHostUninstallEvent;
+import org.apache.ambari.server.state.svccomphost.ServiceComponentHostUpgradeEvent;
+import org.apache.ambari.server.state.svccomphost.ServiceComponentHostWipeoutEvent;
 import org.codehaus.jackson.annotate.JsonCreator;
 import org.codehaus.jackson.annotate.JsonProperty;
 

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/ServiceInfo.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/ServiceInfo.java b/ambari-server/src/main/java/org/apache/ambari/server/state/ServiceInfo.java
index 56fcd74..00c7a64 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/ServiceInfo.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/ServiceInfo.java
@@ -18,26 +18,6 @@
 
 package org.apache.ambari.server.state;
 
-import com.google.common.base.Function;
-import com.google.common.collect.ImmutableMap;
-import com.google.common.collect.Lists;
-import com.google.common.collect.Maps;
-import com.google.common.collect.Multimap;
-import com.google.common.collect.Multimaps;
-import org.apache.ambari.server.api.services.AmbariMetaInfo;
-import org.apache.ambari.server.stack.Validable;
-import org.apache.ambari.server.state.stack.MetricDefinition;
-import org.apache.ambari.server.state.stack.StackRoleCommandOrder;
-import org.codehaus.jackson.annotate.JsonIgnore;
-import org.codehaus.jackson.map.annotate.JsonFilter;
-
-import javax.xml.bind.Unmarshaller;
-import javax.xml.bind.annotation.XmlAccessType;
-import javax.xml.bind.annotation.XmlAccessorType;
-import javax.xml.bind.annotation.XmlElement;
-import javax.xml.bind.annotation.XmlElementWrapper;
-import javax.xml.bind.annotation.XmlElements;
-import javax.xml.bind.annotation.XmlTransient;
 import java.io.File;
 import java.util.AbstractMap;
 import java.util.ArrayList;
@@ -50,6 +30,28 @@ import java.util.Map;
 import java.util.Set;
 import java.util.TreeMap;
 
+import javax.xml.bind.Unmarshaller;
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlElementWrapper;
+import javax.xml.bind.annotation.XmlElements;
+import javax.xml.bind.annotation.XmlTransient;
+
+import org.apache.ambari.server.api.services.AmbariMetaInfo;
+import org.apache.ambari.server.stack.Validable;
+import org.apache.ambari.server.state.stack.MetricDefinition;
+import org.apache.ambari.server.state.stack.StackRoleCommandOrder;
+import org.codehaus.jackson.annotate.JsonIgnore;
+import org.codehaus.jackson.map.annotate.JsonFilter;
+
+import com.google.common.base.Function;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.Lists;
+import com.google.common.collect.Maps;
+import com.google.common.collect.Multimap;
+import com.google.common.collect.Multimaps;
+
 @XmlAccessorType(XmlAccessType.FIELD)
 @JsonFilter("propertiesfilter")
 public class ServiceInfo implements Validable{

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/ServiceOsSpecific.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/ServiceOsSpecific.java b/ambari-server/src/main/java/org/apache/ambari/server/state/ServiceOsSpecific.java
index 5e1d5d3..117b11a 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/ServiceOsSpecific.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/ServiceOsSpecific.java
@@ -17,10 +17,15 @@
  */
 package org.apache.ambari.server.state;
 
-import javax.xml.bind.annotation.*;
 import java.util.ArrayList;
 import java.util.List;
 
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlElementWrapper;
+import javax.xml.bind.annotation.XmlElements;
+
 import com.google.gson.annotations.SerializedName;
 /**
  * Represents service os-specific details (like repositories and packages). 

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/ServicePropertyInfo.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/ServicePropertyInfo.java b/ambari-server/src/main/java/org/apache/ambari/server/state/ServicePropertyInfo.java
index c152cfd..6bfc309 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/ServicePropertyInfo.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/ServicePropertyInfo.java
@@ -18,12 +18,12 @@
 
 package org.apache.ambari.server.state;
 
-import org.apache.commons.lang.builder.EqualsBuilder;
-import org.apache.commons.lang.builder.HashCodeBuilder;
-
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 
+import org.apache.commons.lang.builder.EqualsBuilder;
+import org.apache.commons.lang.builder.HashCodeBuilder;
+
 @XmlAccessorType(XmlAccessType.FIELD)
 public final class ServicePropertyInfo {
   /**

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/StackInfo.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/StackInfo.java b/ambari-server/src/main/java/org/apache/ambari/server/state/StackInfo.java
index ba5cb42..bd60e3a 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/StackInfo.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/StackInfo.java
@@ -37,9 +37,7 @@ import org.apache.ambari.server.state.stack.RepositoryXml;
 import org.apache.ambari.server.state.stack.StackRoleCommandOrder;
 import org.apache.ambari.server.state.stack.UpgradePack;
 
-import com.google.common.collect.Collections2;
 import com.google.common.collect.ListMultimap;
-import com.google.common.collect.Lists;
 import com.google.common.collect.Multimaps;
 import com.google.common.io.Files;
 

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/ThemeInfo.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/ThemeInfo.java b/ambari-server/src/main/java/org/apache/ambari/server/state/ThemeInfo.java
index 855733a..06e448d 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/ThemeInfo.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/ThemeInfo.java
@@ -17,13 +17,14 @@
  */
 package org.apache.ambari.server.state;
 
-import org.apache.ambari.server.state.theme.Theme;
+import java.util.Map;
 
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.XmlElement;
 import javax.xml.bind.annotation.XmlTransient;
-import java.util.Map;
+
+import org.apache.ambari.server.state.theme.Theme;
 
 /**
  * Wrapper for theme description

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/ValueAttributesInfo.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/ValueAttributesInfo.java b/ambari-server/src/main/java/org/apache/ambari/server/state/ValueAttributesInfo.java
index 5ece0ec..36feba9 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/ValueAttributesInfo.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/ValueAttributesInfo.java
@@ -18,15 +18,16 @@
 
 package org.apache.ambari.server.state;
 
-import org.codehaus.jackson.annotate.JsonProperty;
-import org.codehaus.jackson.map.annotate.JsonSerialize;
+import java.util.Collection;
 
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.XmlElement;
 import javax.xml.bind.annotation.XmlElementWrapper;
 import javax.xml.bind.annotation.XmlElements;
-import java.util.Collection;
+
+import org.codehaus.jackson.annotate.JsonProperty;
+import org.codehaus.jackson.map.annotate.JsonSerialize;
 
 @XmlAccessorType(XmlAccessType.FIELD)
 @JsonSerialize(include=JsonSerialize.Inclusion.NON_NULL)

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/ValueEntryInfo.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/ValueEntryInfo.java b/ambari-server/src/main/java/org/apache/ambari/server/state/ValueEntryInfo.java
index 9f67114..7824933 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/ValueEntryInfo.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/ValueEntryInfo.java
@@ -18,11 +18,11 @@
 
 package org.apache.ambari.server.state;
 
-import org.codehaus.jackson.map.annotate.JsonSerialize;
-
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 
+import org.codehaus.jackson.map.annotate.JsonSerialize;
+
 @XmlAccessorType(XmlAccessType.FIELD)
 @JsonSerialize(include=JsonSerialize.Inclusion.NON_NULL)
 public class ValueEntryInfo {

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/alert/AlertDefinitionHash.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/alert/AlertDefinitionHash.java b/ambari-server/src/main/java/org/apache/ambari/server/state/alert/AlertDefinitionHash.java
index 57181e5..2f1c7ee 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/alert/AlertDefinitionHash.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/alert/AlertDefinitionHash.java
@@ -22,7 +22,6 @@ import java.security.NoSuchAlgorithmException;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
-import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/alert/AmsSource.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/alert/AmsSource.java b/ambari-server/src/main/java/org/apache/ambari/server/state/alert/AmsSource.java
index eda6a5a..21cf81c 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/alert/AmsSource.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/alert/AmsSource.java
@@ -17,10 +17,10 @@
  */
 package org.apache.ambari.server.state.alert;
 
-import com.google.gson.annotations.SerializedName;
-
 import java.util.List;
 
+import com.google.gson.annotations.SerializedName;
+
 /**
  * Alert when the source type is defined as {@link org.apache.ambari.server.state.alert.SourceType#METRIC}
  * <p/>

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/host/HostHealthyHeartbeatEvent.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/host/HostHealthyHeartbeatEvent.java b/ambari-server/src/main/java/org/apache/ambari/server/state/host/HostHealthyHeartbeatEvent.java
index d4e93b8..a3421b1 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/host/HostHealthyHeartbeatEvent.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/host/HostHealthyHeartbeatEvent.java
@@ -19,14 +19,14 @@
 
 package org.apache.ambari.server.state.host;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import org.apache.ambari.server.agent.AgentEnv;
 import org.apache.ambari.server.agent.DiskInfo;
 import org.apache.ambari.server.state.HostEvent;
 import org.apache.ambari.server.state.HostEventType;
 
-import java.util.ArrayList;
-import java.util.List;
-
 public class HostHealthyHeartbeatEvent extends HostEvent {
 
   private final long heartbeatTime;

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/AbstractKerberosDescriptorContainer.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/AbstractKerberosDescriptorContainer.java b/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/AbstractKerberosDescriptorContainer.java
index ad2437a..53c69f1 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/AbstractKerberosDescriptorContainer.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/AbstractKerberosDescriptorContainer.java
@@ -18,19 +18,19 @@
 
 package org.apache.ambari.server.state.kerberos;
 
-import org.apache.ambari.server.AmbariException;
-
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
-import java.util.TreeMap;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.TreeMap;
 import java.util.TreeSet;
 import java.util.regex.Pattern;
 
+import org.apache.ambari.server.AmbariException;
+
 /**
  * AbstractKerberosDescriptorContainer is an abstract class implementing AbstractKerberosDescriptor
  * and providing facility to handle common descriptor container functionality.

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/AbstractKerberosDescriptorFactory.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/AbstractKerberosDescriptorFactory.java b/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/AbstractKerberosDescriptorFactory.java
index 9b438ed..c61b1a4 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/AbstractKerberosDescriptorFactory.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/AbstractKerberosDescriptorFactory.java
@@ -18,17 +18,18 @@
 
 package org.apache.ambari.server.state.kerberos;
 
-import com.google.gson.Gson;
-import com.google.gson.JsonSyntaxException;
-import com.google.gson.reflect.TypeToken;
-import org.apache.ambari.server.AmbariException;
-
 import java.io.File;
 import java.io.FileReader;
 import java.io.IOException;
 import java.util.Collections;
 import java.util.Map;
 
+import org.apache.ambari.server.AmbariException;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonSyntaxException;
+import com.google.gson.reflect.TypeToken;
+
 /**
  * AbstractKerberosDescriptorFactory is an abstract class containing common functionality for
  * Kerberos descriptor factory classes.

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosConfigurationDescriptor.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosConfigurationDescriptor.java b/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosConfigurationDescriptor.java
index bc5f936..683f97f 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosConfigurationDescriptor.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosConfigurationDescriptor.java
@@ -18,9 +18,9 @@
 package org.apache.ambari.server.state.kerberos;
 
 
-import java.util.TreeMap;
 import java.util.Map;
 import java.util.Set;
+import java.util.TreeMap;
 
 /**
  * KerberosConfigurationDescriptor is an implementation of an AbstractKerberosDescriptor that

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosDescriptor.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosDescriptor.java b/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosDescriptor.java
index e7be589..3596ecd 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosDescriptor.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosDescriptor.java
@@ -20,11 +20,11 @@ package org.apache.ambari.server.state.kerberos;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
-import java.util.TreeMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.TreeMap;
 
 /**
  * KerberosDescriptor is an implementation of an AbstractKerberosDescriptorContainer that

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosDescriptorFactory.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosDescriptorFactory.java b/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosDescriptorFactory.java
index 6c021f3..c8e9c8a 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosDescriptorFactory.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosDescriptorFactory.java
@@ -18,13 +18,14 @@
 
 package org.apache.ambari.server.state.kerberos;
 
-import com.google.inject.Singleton;
-import org.apache.ambari.server.AmbariException;
-
 import java.io.File;
 import java.io.IOException;
 import java.util.Map;
 
+import org.apache.ambari.server.AmbariException;
+
+import com.google.inject.Singleton;
+
 /**
  * KerberosDescriptorFactory is a factory class used to create KerberosDescriptor instances using
  * various sources of data.

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosDescriptorUpdateHelper.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosDescriptorUpdateHelper.java b/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosDescriptorUpdateHelper.java
index 2eef4b9..e2a5cce 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosDescriptorUpdateHelper.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosDescriptorUpdateHelper.java
@@ -18,18 +18,18 @@
 
 package org.apache.ambari.server.state.kerberos;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.util.ArrayList;
 import java.util.Collections;
-import java.util.TreeMap;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.TreeMap;
 import java.util.TreeSet;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 /**
  * KerberosDescriptorUpdateHelper provides routines for upgrading the user-specified Kerberos descriptor
  * when changing stacks.

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosIdentityDescriptor.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosIdentityDescriptor.java b/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosIdentityDescriptor.java
index fb6cb97..fea8cfe 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosIdentityDescriptor.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosIdentityDescriptor.java
@@ -17,11 +17,11 @@
  */
 package org.apache.ambari.server.state.kerberos;
 
+import java.util.Map;
+
 import org.apache.ambari.server.collections.Predicate;
 import org.apache.ambari.server.collections.PredicateUtils;
 
-import java.util.Map;
-
 /**
  * KerberosIdentityDescriptor is an implementation of an AbstractKerberosDescriptor that
  * encapsulates data related to a Kerberos identity - including its principal and keytab file details.

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosPrincipalDescriptor.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosPrincipalDescriptor.java b/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosPrincipalDescriptor.java
index 83dd953..8fe434e 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosPrincipalDescriptor.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosPrincipalDescriptor.java
@@ -17,8 +17,8 @@
  */
 package org.apache.ambari.server.state.kerberos;
 
-import java.util.TreeMap;
 import java.util.Map;
+import java.util.TreeMap;
 
 /**
  * KerberosPrincipalDescriptor is an implementation of an AbstractKerberosDescriptor that

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosServiceDescriptor.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosServiceDescriptor.java b/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosServiceDescriptor.java
index 0f14ca6..6f31dba 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosServiceDescriptor.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosServiceDescriptor.java
@@ -20,9 +20,9 @@ package org.apache.ambari.server.state.kerberos;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
-import java.util.TreeMap;
 import java.util.List;
 import java.util.Map;
+import java.util.TreeMap;
 
 /**
  * Represents information required to configure Kerberos for a particular service.

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosServiceDescriptorFactory.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosServiceDescriptorFactory.java b/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosServiceDescriptorFactory.java
index a5e199a..08839c8 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosServiceDescriptorFactory.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosServiceDescriptorFactory.java
@@ -18,15 +18,16 @@
 
 package org.apache.ambari.server.state.kerberos;
 
-import com.google.inject.Singleton;
-import org.apache.ambari.server.AmbariException;
-
 import java.io.File;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Map;
 
+import org.apache.ambari.server.AmbariException;
+
+import com.google.inject.Singleton;
+
 /**
  * KerberosServiceDescriptorFactory is a factory class used to create KerberosServiceDescriptor
  * instances using various sources of data.

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/VariableReplacementHelper.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/VariableReplacementHelper.java b/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/VariableReplacementHelper.java
index d472b79..b171689 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/VariableReplacementHelper.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/VariableReplacementHelper.java
@@ -18,13 +18,15 @@
 
 package org.apache.ambari.server.state.kerberos;
 
-import com.google.inject.Singleton;
-import org.apache.ambari.server.AmbariException;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
+import org.apache.ambari.server.AmbariException;
+
+import com.google.inject.Singleton;
+
 /**
  * Helper class to provide variable replacement services
  */

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/quicklinks/Link.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/quicklinks/Link.java b/ambari-server/src/main/java/org/apache/ambari/server/state/quicklinks/Link.java
index f7c14f3..72ad764 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/quicklinks/Link.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/quicklinks/Link.java
@@ -18,7 +18,6 @@
 
 package org.apache.ambari.server.state.quicklinks;
 
-import java.util.ArrayList;
 import java.util.List;
 
 import javax.annotation.Nullable;

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/quicklinks/Protocol.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/quicklinks/Protocol.java b/ambari-server/src/main/java/org/apache/ambari/server/state/quicklinks/Protocol.java
index d45d26f..c175c56 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/quicklinks/Protocol.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/quicklinks/Protocol.java
@@ -18,12 +18,12 @@
 
 package org.apache.ambari.server.state.quicklinks;
 
+import java.util.List;
+
 import org.codehaus.jackson.annotate.JsonIgnoreProperties;
 import org.codehaus.jackson.annotate.JsonProperty;
 import org.codehaus.jackson.map.annotate.JsonSerialize;
 
-import java.util.List;
-
 @JsonSerialize(include= JsonSerialize.Inclusion.NON_NULL)
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class Protocol{

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/quicklinks/QuickLinksConfiguration.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/quicklinks/QuickLinksConfiguration.java b/ambari-server/src/main/java/org/apache/ambari/server/state/quicklinks/QuickLinksConfiguration.java
index c53ee5b..ae74f7e 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/quicklinks/QuickLinksConfiguration.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/quicklinks/QuickLinksConfiguration.java
@@ -18,15 +18,15 @@
 
 package org.apache.ambari.server.state.quicklinks;
 
-import org.codehaus.jackson.annotate.JsonIgnoreProperties;
-import org.codehaus.jackson.annotate.JsonProperty;
-import org.codehaus.jackson.map.annotate.JsonSerialize;
-
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+import org.codehaus.jackson.annotate.JsonIgnoreProperties;
+import org.codehaus.jackson.annotate.JsonProperty;
+import org.codehaus.jackson.map.annotate.JsonSerialize;
+
 @JsonSerialize(include= JsonSerialize.Inclusion.NON_NULL)
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class QuickLinksConfiguration{

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/scheduler/Batch.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/scheduler/Batch.java b/ambari-server/src/main/java/org/apache/ambari/server/state/scheduler/Batch.java
index 036ea40..a3d9b42 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/scheduler/Batch.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/scheduler/Batch.java
@@ -17,12 +17,12 @@
  */
 package org.apache.ambari.server.state.scheduler;
 
-import org.codehaus.jackson.annotate.JsonProperty;
-import org.codehaus.jackson.map.annotate.JsonSerialize;
-
 import java.util.ArrayList;
 import java.util.List;
 
+import org.codehaus.jackson.annotate.JsonProperty;
+import org.codehaus.jackson.map.annotate.JsonSerialize;
+
 public class Batch {
   private final List<BatchRequest> batchRequests = new ArrayList<BatchRequest>();
   private BatchSettings batchSettings;

http://git-wip-us.apache.org/repos/asf/ambari/blob/e4db5709/ambari-server/src/main/java/org/apache/ambari/server/state/scheduler/BatchRequestJob.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/scheduler/BatchRequestJob.java b/ambari-server/src/main/java/org/apache/ambari/server/state/scheduler/BatchRequestJob.java
index 6b571c8..cb3faf7 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/scheduler/BatchRequestJob.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/scheduler/BatchRequestJob.java
@@ -17,8 +17,9 @@
  */
 package org.apache.ambari.server.state.scheduler;
 
-import com.google.inject.Inject;
-import com.google.inject.name.Named;
+import java.util.HashMap;
+import java.util.Map;
+
 import org.apache.ambari.server.AmbariException;
 import org.apache.ambari.server.actionmanager.HostRoleStatus;
 import org.apache.ambari.server.scheduler.AbstractLinearExecutionJob;
@@ -27,8 +28,9 @@ import org.quartz.DisallowConcurrentExecution;
 import org.quartz.PersistJobDataAfterExecution;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import java.util.HashMap;
-import java.util.Map;
+
+import com.google.inject.Inject;
+import com.google.inject.name.Named;
 
 @PersistJobDataAfterExecution
 @DisallowConcurrentExecution