Removing DAS-Artifacts

Project: http://git-wip-us.apache.org/repos/asf/stratos/repo
Commit: http://git-wip-us.apache.org/repos/asf/stratos/commit/a61331e0
Tree: http://git-wip-us.apache.org/repos/asf/stratos/tree/a61331e0
Diff: http://git-wip-us.apache.org/repos/asf/stratos/diff/a61331e0

Branch: refs/heads/master
Commit: a61331e0cb9c2a7f87e95a6bc4fec233109a3daf
Parents: d5d7f79
Author: Thanuja <[email protected]>
Authored: Thu Jul 23 15:00:58 2015 +0530
Committer: Thanuja <[email protected]>
Committed: Thu Jul 23 15:00:58 2015 +0530

----------------------------------------------------------------------
 DAS-Artifacts/CCEventReceiver.xml               |   9 -
 DAS-Artifacts/SparkQuery.txt                    |  19 -
 ...g.apache.stratos.cloud.controller_1.0.0.json | 112 ---
 .../org_apache_stratos_cloud_controller.xml     |   1 -
 .../autoscaler/rule/RuleTasksDelegator.java     | 688 +++++++++----------
 .../util/CloudControllerConstants.java          | 478 ++++++-------
 6 files changed, 583 insertions(+), 724 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/stratos/blob/a61331e0/DAS-Artifacts/CCEventReceiver.xml
----------------------------------------------------------------------
diff --git a/DAS-Artifacts/CCEventReceiver.xml 
b/DAS-Artifacts/CCEventReceiver.xml
deleted file mode 100644
index 0ddd086..0000000
--- a/DAS-Artifacts/CCEventReceiver.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<eventReceiver name="CCEventReceiver" statistics="disable"
-    trace="enable" xmlns="http://wso2.org/carbon/eventreceiver";>
-    <from eventAdapterType="wso2event">
-        <property name="events.duplicated.in.cluster">false</property>
-    </from>
-    <mapping customMapping="disable" type="wso2event"/>
-    <to streamName="org.apache.stratos.cloud.controller" version="1.0.0"/>
-</eventReceiver>

http://git-wip-us.apache.org/repos/asf/stratos/blob/a61331e0/DAS-Artifacts/SparkQuery.txt
----------------------------------------------------------------------
diff --git a/DAS-Artifacts/SparkQuery.txt b/DAS-Artifacts/SparkQuery.txt
deleted file mode 100644
index 39f7d47..0000000
--- a/DAS-Artifacts/SparkQuery.txt
+++ /dev/null
@@ -1,19 +0,0 @@
-CREATE TEMPORARY TABLE memberstatus
-USING CarbonAnalytics 
-OPTIONS (tableName "ORG_APACHE_STRATOS_CLOUD_CONTROLLER");
-
-CREATE TEMPORARY TABLE memberstatusnew
-USING CarbonAnalytics 
-OPTIONS (tableName "CLUSTER_MEMBER_NEW", 
-         schema "startTime String, endTime String, clusterId STRING, 
activatedInstanceCount INT, terminatedInstanceCount INT, activeInstanceCount 
INT");
-
-         
-;WITH InstanceCount as 
-(select clusterId, count(case when status='Active' and timeStamp > 
current_time(null)-60000 and timeStamp <= current_time(null) then 1 else NULL 
end) as activatedInstanceCount, count(case when status='Terminated' and 
timeStamp > current_time(null)-60000 and timeStamp <= current_time(null) then 1 
else NULL end) as terminatedInstanceCount, (sum(case when status='Active' then 
1 else 0 end) - sum(case when status='Terminated' then 1 else 0 end))as 
activeInstanceCount from memberstatus group by clusterId)
-INSERT INTO table memberstatusnew select 
time(current_time(null)-60000),time(current_time(null)),clusterId, 
activatedInstanceCount, terminatedInstanceCount,activeInstanceCount from 
InstanceCount;  
-
-CREATE TEMPORARY TABLE membersnew
-USING CarbonAnalytics 
-OPTIONS (tableName "MEMBER_NEW",schema "clusterId STRING, clusterInstanceId 
STRING, partitionId STRING, networkId STRING, cartridgeType STRING, 
instanceType STRING, memberId STRING, scalingTime LONG,scalingReason STRING, 
timeStamp LONG");
-
-INSERT INTO TABLE membersnew select clusterId, 
clusterInstanceId,partitionId,networkId,cartridgeType,instanceType, memberId, 
time(scalingTime),scalingReason,time(timeStamp) FROM memberstatus where 
status='Created';

http://git-wip-us.apache.org/repos/asf/stratos/blob/a61331e0/DAS-Artifacts/org.apache.stratos.cloud.controller_1.0.0.json
----------------------------------------------------------------------
diff --git a/DAS-Artifacts/org.apache.stratos.cloud.controller_1.0.0.json 
b/DAS-Artifacts/org.apache.stratos.cloud.controller_1.0.0.json
deleted file mode 100644
index de1025f..0000000
--- a/DAS-Artifacts/org.apache.stratos.cloud.controller_1.0.0.json
+++ /dev/null
@@ -1,112 +0,0 @@
-{
-  "name": "org.apache.stratos.cloud.controller",
-  "version": "1.0.0",
-  "nickName": "cloud.controller",
-  "description": "Instances booted up by the Cloud Controller",
-  "payloadData": [
-    {
-      "name": "timeStamp",
-      "type": "LONG"
-    },
-    {
-      "name": "memberId",
-      "type": "STRING"
-    },
-    {
-      "name": "cartridgeType",
-      "type": "STRING"
-    },
-    {
-      "name": "clusterId",
-      "type": "STRING"
-    },
-    {
-      "name": "clusterInstanceId",
-      "type": "STRING"
-    },
-    {
-      "name": "lbclusterId",
-      "type": "STRING"
-    },
-    {
-      "name": "partitionId",
-      "type": "STRING"
-    },
-    {
-      "name": "networkId",
-      "type": "STRING"
-    },
-    {
-      "name": "instanceType",
-      "type": "STRING"
-    },
-    {
-      "name": "scalingReason",
-      "type": "STRING"
-    },
-    {
-      "name": "scalingTime",
-      "type": "LONG"
-    },
-    {
-      "name": "isMultiTenant",
-      "type": "STRING"
-    },
-    {
-      "name": "iaas",
-      "type": "STRING"
-    },
-    {
-      "name": "status",
-      "type": "STRING"
-    },
-    {
-      "name": "hostName",
-      "type": "STRING"
-    },
-    {
-      "name": "hypervisor",
-      "type": "STRING"
-    },
-    {
-      "name": "ram",
-      "type": "STRING"
-    },
-    {
-      "name": "imageId",
-      "type": "STRING"
-    },
-    {
-      "name": "loginPort",
-      "type": "INT"
-    },
-    {
-      "name": "osName",
-      "type": "STRING"
-    },
-    {
-      "name": "osVersion",
-      "type": "STRING"
-    },
-    {
-      "name": "osArch",
-      "type": "STRING"
-    },
-    {
-      "name": "is64bitOS",
-      "type": "STRING"
-    },
-    {
-      "name": "privateIPAddresses",
-      "type": "STRING"
-    },
-    {
-      "name": "publicIPAddresses",
-      "type": "STRING"
-    },
-    {
-      "name": "allocateIPAddresses",
-      "type": "STRING"
-    }
-  ]
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/stratos/blob/a61331e0/DAS-Artifacts/org_apache_stratos_cloud_controller.xml
----------------------------------------------------------------------
diff --git a/DAS-Artifacts/org_apache_stratos_cloud_controller.xml 
b/DAS-Artifacts/org_apache_stratos_cloud_controller.xml
deleted file mode 100644
index ee99acd..0000000
--- a/DAS-Artifacts/org_apache_stratos_cloud_controller.xml
+++ /dev/null
@@ -1 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" 
standalone="yes"?><EventStoreConfiguration><TableSchema><ColumnDefinition><Name>timeStamp</Name><EnableIndexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam><Type>LONG</Type></ColumnDefinition><ColumnDefinition><Name>memberId</Name><EnableIndexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam><Type>STRING</Type></ColumnDefinition><ColumnDefinition><Name>cartridgeType</Name><EnableIndexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam><Type>STRING</Type></ColumnDefinition><ColumnDefinition><Name>clusterId</Name><EnableIndexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam><Type>STRING</Type></ColumnDefinition><ColumnDefinition><Name>clusterInstanceId</Name><EnableIndexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScorePar
 
am>false</EnableScoreParam><Type>STRING</Type></ColumnDefinition><ColumnDefinition><Name>lbclusterId</Name><EnableIndexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam><Type>STRING</Type></ColumnDefinition><ColumnDefinition><Name>partitionId</Name><EnableIndexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam><Type>STRING</Type></ColumnDefinition><ColumnDefinition><Name>networkId</Name><EnableIndexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam><Type>STRING</Type></ColumnDefinition><ColumnDefinition><Name>instanceType</Name><EnableIndexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam><Type>STRING</Type></ColumnDefinition><ColumnDefinition><Name>scalingReason</Name><EnableIndexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam
 ><Type>STRING</Type></ColumnDefinition><ColumnDefinition><Name>scalingTime</Name><EnableIndexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam><Type>LONG</Type></ColumnDefinition><ColumnDefinition><Name>isMultiTenant</Name><EnableIndexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam><Type>STRING</Type></ColumnDefinition><ColumnDefinition><Name>iaas</Name><EnableIndexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam><Type>STRING</Type></ColumnDefinition><ColumnDefinition><Name>status</Name><EnableIndexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam><Type>STRING</Type></ColumnDefinition><ColumnDefinition><Name>hostName</Name><EnableIndexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam><Type>STRING</Type></ColumnDefinition><Co
 
lumnDefinition><Name>hypervisor</Name><EnableIndexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam><Type>STRING</Type></ColumnDefinition><ColumnDefinition><Name>ram</Name><EnableIndexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam><Type>STRING</Type></ColumnDefinition><ColumnDefinition><Name>imageId</Name><EnableIndexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam><Type>STRING</Type></ColumnDefinition><ColumnDefinition><Name>loginPort</Name><EnableIndexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam><Type>INTEGER</Type></ColumnDefinition><ColumnDefinition><Name>osName</Name><EnableIndexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam><Type>STRING</Type></ColumnDefinition><ColumnDefinition><Name>osVersion</Name><EnableIn
 
dexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam><Type>STRING</Type></ColumnDefinition><ColumnDefinition><Name>osArch</Name><EnableIndexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam><Type>STRING</Type></ColumnDefinition><ColumnDefinition><Name>is64bitOS</Name><EnableIndexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam><Type>STRING</Type></ColumnDefinition><ColumnDefinition><Name>privateIPAddresses</Name><EnableIndexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam><Type>STRING</Type></ColumnDefinition><ColumnDefinition><Name>publicIPAddresses</Name><EnableIndexing>false</EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam><Type>STRING</Type></ColumnDefinition><ColumnDefinition><Name>allocateIPAddresses</Name><EnableIndexing>false<
 
/EnableIndexing><IsPrimaryKey>false</IsPrimaryKey><EnableScoreParam>false</EnableScoreParam><Type>STRING</Type></ColumnDefinition></TableSchema><Source><StreamId>org.apache.stratos.cloud.controller:1.0.0</StreamId></Source><RecordStoreName>EVENT_STORE</RecordStoreName></EventStoreConfiguration>
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/stratos/blob/a61331e0/components/org.apache.stratos.autoscaler/src/main/java/org/apache/stratos/autoscaler/rule/RuleTasksDelegator.java
----------------------------------------------------------------------
diff --git 
a/components/org.apache.stratos.autoscaler/src/main/java/org/apache/stratos/autoscaler/rule/RuleTasksDelegator.java
 
b/components/org.apache.stratos.autoscaler/src/main/java/org/apache/stratos/autoscaler/rule/RuleTasksDelegator.java
index 3a69880..d569ed2 100644
--- 
a/components/org.apache.stratos.autoscaler/src/main/java/org/apache/stratos/autoscaler/rule/RuleTasksDelegator.java
+++ 
b/components/org.apache.stratos.autoscaler/src/main/java/org/apache/stratos/autoscaler/rule/RuleTasksDelegator.java
@@ -43,348 +43,348 @@ import 
org.apache.stratos.common.constants.StratosConstants;
  */
 public class RuleTasksDelegator {
 
-       private static boolean arspiIsSet = false;
-
-       private static final Log log = 
LogFactory.getLog(RuleTasksDelegator.class);
-
-       public double getPredictedValueForNextMinute(float average, float 
gradient, float secondDerivative,
-                                                    int timeInterval) {
-               double predictedValue;
-               //        s = u * t + 0.5 * a * t * t
-               if (log.isDebugEnabled()) {
-                       log.debug(String.format("Predicting the value, 
[average]: %s , [gradient]: %s , [second derivative] " +
-                                               ": %s , [time intervals]: %s ", 
average, gradient, secondDerivative, timeInterval));
-               }
-               predictedValue = average + gradient * timeInterval + 0.5 * 
secondDerivative * timeInterval * timeInterval;
-
-               return predictedValue;
-       }
-
-       public int getNumberOfInstancesRequiredBasedOnRif(float 
rifPredictedValue, float rifThreshold) {
-
-               if (rifThreshold != 0) {
-
-                       float requiredNumberOfInstances = rifPredictedValue / 
rifThreshold;
-                       return (int) Math.ceil(requiredNumberOfInstances);
-               } else {
-                       log.error("Request in flight threshold is Zero");
-                       return 0;
-               }
-
-       }
-
-       public int getNumberOfInstancesRequiredBasedOnMemoryConsumption(float 
threshold, double predictedValue, int min,
-                                                                       int 
max) {
-               double numberOfAdditionalInstancesRequired = 0;
-               if (predictedValue != threshold) {
-
-                       float scalingRange = 100 - threshold;
-                       int instanceRange = max - min;
-
-                       if (instanceRange != 0) {
-
-                               float gradient = scalingRange / instanceRange;
-                               numberOfAdditionalInstancesRequired = 
(predictedValue - threshold) / gradient;
-                       }
-
-                       if (predictedValue < threshold) {
-                               //Since predicted-value is less, it can be 
scale-down
-                               return min - 1;
-                       }
-               }
-
-               return (int) Math.ceil(min + 
numberOfAdditionalInstancesRequired);
-       }
-
-       public int getNumberOfInstancesRequiredBasedOnLoadAverage(float 
threshold, double predictedValue, int min) {
-
-               double numberOfInstances;
-               if (threshold != 0) {
-
-                       numberOfInstances = (min * predictedValue) / threshold;
-                       return (int) Math.ceil(numberOfInstances);
-               }
-
-               return min;
-       }
-
-       public int getMaxNumberOfInstancesRequired(int 
numberOfInstancesRequiredBasedOnRif,
-                                                  int 
numberOfInstancesRequiredBasedOnMemoryConsumption, boolean mcReset,
-                                                  int 
numberOfInstancesReuquiredBasedOnLoadAverage, boolean laReset) {
-               int numberOfInstances = 0;
-
-               int rifBasedRequiredInstances = 0;
-               int mcBasedRequiredInstances = 0;
-               int laBasedRequiredInstances = 0;
-               if (arspiIsSet) {
-                       rifBasedRequiredInstances = 
numberOfInstancesRequiredBasedOnRif;
-               }
-               if (mcReset) {
-                       mcBasedRequiredInstances = 
numberOfInstancesRequiredBasedOnMemoryConsumption;
-               }
-               if (laReset) {
-                       laBasedRequiredInstances = 
numberOfInstancesReuquiredBasedOnLoadAverage;
-               }
-               numberOfInstances = 
Math.max(Math.max(numberOfInstancesRequiredBasedOnMemoryConsumption,
-                                                     
numberOfInstancesReuquiredBasedOnLoadAverage),
-                                            
numberOfInstancesRequiredBasedOnRif);
-               return numberOfInstances;
-       }
-
-       public PartitionAlgorithm getPartitionAlgorithm(String 
partitionAlgorithm) {
-
-               PartitionAlgorithm autoscaleAlgorithm = null;
-               //FIXME to not parse for algo when partition is chosen by the 
parent
-
-               if (partitionAlgorithm == null) {
-                       //Send one after another as default
-                       partitionAlgorithm = 
StratosConstants.PARTITION_ONE_AFTER_ANOTHER_ALGORITHM_ID;
-               }
-               if (log.isDebugEnabled()) {
-                       log.debug(String.format("Retrieving partition algorithm 
[Partition algorithm]: %s", partitionAlgorithm));
-               }
-               if 
(StratosConstants.PARTITION_ROUND_ROBIN_ALGORITHM_ID.equals(partitionAlgorithm))
 {
-                       autoscaleAlgorithm = new RoundRobin();
-               } else if 
(StratosConstants.PARTITION_ONE_AFTER_ANOTHER_ALGORITHM_ID.equals(partitionAlgorithm))
 {
-                       autoscaleAlgorithm = new OneAfterAnother();
-               } else {
-                       if (log.isErrorEnabled()) {
-                               log.error(String.format("Partition algorithm %s 
could not be identified !", partitionAlgorithm));
-                       }
-               }
-               return autoscaleAlgorithm;
-       }
-
-       public void delegateInstanceCleanup(String memberId) {
-               try {
-                       // send the instance notification event.
-                       
InstanceNotificationPublisher.getInstance().sendInstanceCleanupEventForMember(memberId);
-                       log.info("Instance clean up event sent for [member] " + 
memberId);
-
-               } catch (Exception e) {
-                       log.error("Cannot terminate instance", e);
-               }
-       }
-
-       /**
-        * Invoked from drools to start an instance.
-        *
-        * @param clusterMonitorPartitionContext Cluster monitor partition 
context
-        * @param clusterId                      Cluster id
-        * @param clusterInstanceId              Instance id
-        * @param isPrimary                      Is a primary member
-        */
-       public void delegateSpawn(ClusterLevelPartitionContext 
clusterMonitorPartitionContext, String clusterId,
-                                 String clusterInstanceId, boolean isPrimary, 
String autoscalingReason, long scalingTime) {
-
-               try {
-                       String nwPartitionId = 
clusterMonitorPartitionContext.getNetworkPartitionId();
-
-                       // Calculate accumulation of minimum counts of all the 
partition of current network partition
-                       int minimumCountOfNetworkPartition;
-                       ClusterMonitor clusterMonitor = 
AutoscalerContext.getInstance().getClusterMonitor(clusterId);
-                       ClusterContext clusterContext = 
clusterMonitor.getClusterContext();
-                       ClusterLevelNetworkPartitionContext 
clusterLevelNetworkPartitionContext =
-                                       
clusterContext.getNetworkPartitionCtxt(nwPartitionId);
-                       ClusterInstanceContext clusterInstanceContext =
-                                       (ClusterInstanceContext) 
clusterLevelNetworkPartitionContext.
-                                                                               
                                    getInstanceContext(
-                                                                               
                                                    clusterInstanceId);
-                       minimumCountOfNetworkPartition = 
clusterInstanceContext.getMinInstanceCount();
-
-                       MemberContext memberContext = 
AutoscalerCloudControllerClient.getInstance().startInstance(
-                                       
clusterMonitorPartitionContext.getPartition(), clusterId, clusterInstanceId,
-                                       
clusterMonitorPartitionContext.getNetworkPartitionId(), isPrimary, 
minimumCountOfNetworkPartition,
-                                       autoscalingReason, scalingTime);
-                       if (memberContext != null) {
-                               ClusterLevelPartitionContext partitionContext = 
clusterInstanceContext.
-                                                                               
                                      getPartitionCtxt(
-                                                                               
                                                      
clusterMonitorPartitionContext
-                                                                               
                                                                      
.getPartitionId());
-                               
partitionContext.addPendingMember(memberContext);
-                               partitionContext.addMemberStatsContext(new 
MemberStatsContext(memberContext.getMemberId()));
-                               if (log.isDebugEnabled()) {
-                                       log.debug(String.format("Pending member 
added, [member] %s [partition] %s",
-                                                               
memberContext.getMemberId(), memberContext.getPartition().getId()));
-                               }
-
-                       } else {
-                               if (log.isErrorEnabled()) {
-                                       log.error("Member context returned from 
cloud controller is null");
-                               }
-                       }
-               } catch (Exception e) {
-                       String message = String.format("Could not start 
instance: [cluster-id] %s [instance-id] %s", clusterId,
-                                                      clusterInstanceId);
-                       log.error(message, e);
-                       throw new RuntimeException(message, e);
-               }
-       }
-
-       public void delegateScalingDependencyNotification(String clusterId, 
String networkPartitionId, String instanceId,
-                                                         int 
requiredInstanceCount, int minimumInstanceCount) {
-
-               if (log.isDebugEnabled()) {
-                       log.debug("Scaling dependent notification is going to 
the [parentInstance] " + instanceId);
-               }
-               //Notify parent for checking scaling dependencies
-               ClusterMonitor clusterMonitor = 
AutoscalerContext.getInstance().getClusterMonitor(clusterId);
-               float fMinimumInstanceCount = minimumInstanceCount;
-               float factor = requiredInstanceCount / fMinimumInstanceCount;
-               clusterMonitor.sendClusterScalingEvent(networkPartitionId, 
instanceId, factor);
-       }
-
-       public void delegateScalingOverMaxNotification(String clusterId, String 
networkPartitionId, String instanceId) {
-               if (log.isDebugEnabled()) {
-                       log.debug("Scaling max out notification is going to the 
[parentInstance] " + instanceId);
-               }
-               //Notify parent for checking scaling dependencies
-               ClusterMonitor clusterMonitor = 
AutoscalerContext.getInstance().getClusterMonitor(clusterId);
-               clusterMonitor.sendScalingOverMaxEvent(networkPartitionId, 
instanceId);
-       }
-
-       public void delegateScalingDownBeyondMinNotification(String clusterId, 
String networkPartitionId,
-                                                            String instanceId) 
{
-               if (log.isDebugEnabled()) {
-                       log.debug("Scaling down lower min notification is going 
to the [parentInstance] " + instanceId);
-               }
-               //Notify parent for checking scaling dependencies
-               ClusterMonitor clusterMonitor = 
AutoscalerContext.getInstance().getClusterMonitor(clusterId);
-               
clusterMonitor.sendScalingDownBeyondMinEvent(networkPartitionId, instanceId);
-       }
-
-       public void delegateTerminate(ClusterLevelPartitionContext 
clusterMonitorPartitionContext, String memberId) {
-
-               try {
-                       //Moving member to pending termination list
-                       if 
(clusterMonitorPartitionContext.activeMemberAvailable(memberId)) {
-
-                               log.info(String.format("[scale-down] Moving 
active member to termination pending list [member id] %s " +
-                                                      "[partition] %s [network 
partition] %s", memberId,
-                                                      
clusterMonitorPartitionContext.getPartitionId(),
-                                                      
clusterMonitorPartitionContext.getNetworkPartitionId()));
-                               
clusterMonitorPartitionContext.moveActiveMemberToTerminationPendingMembers(memberId);
-                               
clusterMonitorPartitionContext.removeMemberStatsContext(memberId);
-                       } else if 
(clusterMonitorPartitionContext.pendingMemberAvailable(memberId)) {
-
-                               log.info(String.format(
-                                               "[scale-down] Moving pending 
member to termination pending list [member id] %s " +
-                                               "[partition] %s [network 
partition] %s", memberId,
-                                               
clusterMonitorPartitionContext.getPartitionId(),
-                                               
clusterMonitorPartitionContext.getNetworkPartitionId()));
-                               
clusterMonitorPartitionContext.movePendingMemberToObsoleteMembers(memberId);
-                               
clusterMonitorPartitionContext.removeMemberStatsContext(memberId);
-                       }
-               } catch (Exception e) {
-                       log.error("[scale-down] Cannot move member to 
termination pending list ", e);
-               }
-       }
-
-       public void delegateTerminateDependency(ClusterLevelPartitionContext 
clusterMonitorPartitionContext,
-                                               String memberId) {
-               try {
-                       //calling SM to send the instance notification event.
-                       if (log.isDebugEnabled()) {
-                               
log.debug("delegateTerminateDependency:memberId:" + memberId);
-                       }
-                       
-               } catch (Exception e) {
-                       log.error("Cannot terminate instance", e);
-               }
-       }
-
-       public void terminateObsoleteInstance(String memberId) {
-               try {
-                       
AutoscalerCloudControllerClient.getInstance().terminateInstance(memberId);
-               } catch (Exception e) {
-                       log.error("Cannot terminate instance", e);
-               }
-       }
-
-       //Grouping
-       public void delegateTerminateAll(String clusterId) {
-               try {
-                       if (log.isDebugEnabled()) {
-                               log.debug("delegateTerminateAll - begin");
-                       }
-                       
AutoscalerCloudControllerClient.getInstance().terminateAllInstances(clusterId);
-                       if (log.isDebugEnabled()) {
-                               log.debug("delegateTerminateAll - done");
-                       }
-               } catch (Exception e) {
-                       log.error("Cannot terminate instance", e);
-               }
-       }
-
-       public int getPredictedReplicasForStat(int minReplicas, float 
statUpperLimit, float statPredictedValue) {
-               if (statUpperLimit == 0) {
-                       return 0;
-               }
-               float predictedValue = ((minReplicas / statUpperLimit) * 
statPredictedValue);
-               return (int) Math.ceil(predictedValue);
-       }
-
-       public double getLoadAveragePredictedValue(ClusterInstanceContext 
clusterInstanceContext) {
-               double loadAveragePredicted = 0.0d;
-               int totalMemberCount = 0;
-               for (ClusterLevelPartitionContext partitionContext : 
clusterInstanceContext.getPartitionCtxts()) {
-                       for (MemberStatsContext memberStatsContext : 
partitionContext.getMemberStatsContexts().values()) {
-
-                               float memberAverageLoadAverage = 
memberStatsContext.getLoadAverage().getAverage();
-                               float memberGredientLoadAverage = 
memberStatsContext.getLoadAverage().getGradient();
-                               float memberSecondDerivativeLoadAverage = 
memberStatsContext.getLoadAverage().getSecondDerivative();
-
-                               double memberPredictedLoadAverage =
-                                               
getPredictedValueForNextMinute(memberAverageLoadAverage, 
memberGredientLoadAverage,
-                                                                              
memberSecondDerivativeLoadAverage, 1);
-
-                               if (log.isDebugEnabled()) {
-                                       
log.debug(String.format("[cluster-instance-id] %s [member-id] %s " + 
"[predicted load average] %s ",
-                                                               
clusterInstanceContext.getId(), memberStatsContext.getMemberId(),
-                                                               
memberPredictedLoadAverage));
-                               }
-                               loadAveragePredicted += 
memberPredictedLoadAverage;
-                               ++totalMemberCount;
-                       }
-               }
-
-               if (totalMemberCount > 0) {
-                       log.debug("Predicted load average : " + 
loadAveragePredicted / totalMemberCount);
-                       return loadAveragePredicted / totalMemberCount;
-               } else {
-                       return 0;
-               }
-       }
-
-       public double getMemoryConsumptionPredictedValue(ClusterInstanceContext 
clusterInstanceContext) {
-               double memoryConsumptionPredicted = 0.0d;
-               int totalMemberCount = 0;
-               for (ClusterLevelPartitionContext partitionContext : 
clusterInstanceContext.getPartitionCtxts()) {
-                       for (MemberStatsContext memberStatsContext : 
partitionContext.getMemberStatsContexts().values()) {
-
-                               float memberMemoryConsumptionAverage = 
memberStatsContext.getMemoryConsumption().getAverage();
-                               float memberMemoryConsumptionGredient = 
memberStatsContext.getMemoryConsumption().getGradient();
-                               float memberMemoryConsumptionSecondDerivative =
-                                               
memberStatsContext.getMemoryConsumption().getSecondDerivative();
-
-                               double memberPredictedMemoryConsumption =
-                                               
getPredictedValueForNextMinute(memberMemoryConsumptionAverage, 
memberMemoryConsumptionGredient,
-                                                                              
memberMemoryConsumptionSecondDerivative, 1);
-
-                               if (log.isDebugEnabled()) {
-                                       log.debug(String.format("[member-id] %s 
[predicted memory consumption] %s ",
-                                                               
memberStatsContext.getMemberId(), memberPredictedMemoryConsumption));
-                               }
-                               memoryConsumptionPredicted += 
memberPredictedMemoryConsumption;
-                               ++totalMemberCount;
-                       }
-               }
-
-               if (totalMemberCount > 0) {
-                       log.debug("Predicted memory consumption : " + 
memoryConsumptionPredicted / totalMemberCount);
-                       return memoryConsumptionPredicted / totalMemberCount;
-               } else {
-                       return 0;
-               }
-       }
+    private static boolean arspiIsSet = false;
+
+    private static final Log log = LogFactory.getLog(RuleTasksDelegator.class);
+
+    public double getPredictedValueForNextMinute(float average, float 
gradient, float secondDerivative,
+                                                 int timeInterval) {
+        double predictedValue;
+        //        s = u * t + 0.5 * a * t * t
+        if (log.isDebugEnabled()) {
+            log.debug(String.format("Predicting the value, [average]: %s , 
[gradient]: %s , [second derivative] " +
+                    ": %s , [time intervals]: %s ", average, gradient, 
secondDerivative, timeInterval));
+        }
+        predictedValue = average + gradient * timeInterval + 0.5 * 
secondDerivative * timeInterval * timeInterval;
+
+        return predictedValue;
+    }
+
+    public int getNumberOfInstancesRequiredBasedOnRif(float rifPredictedValue, 
float rifThreshold) {
+
+        if (rifThreshold != 0) {
+
+            float requiredNumberOfInstances = rifPredictedValue / rifThreshold;
+            return (int) Math.ceil(requiredNumberOfInstances);
+        } else {
+            log.error("Request in flight threshold is Zero");
+            return 0;
+        }
+
+    }
+
+    public int getNumberOfInstancesRequiredBasedOnMemoryConsumption(float 
threshold, double predictedValue, int min,
+                                                                    int max) {
+        double numberOfAdditionalInstancesRequired = 0;
+        if (predictedValue != threshold) {
+
+            float scalingRange = 100 - threshold;
+            int instanceRange = max - min;
+
+            if (instanceRange != 0) {
+
+                float gradient = scalingRange / instanceRange;
+                numberOfAdditionalInstancesRequired = (predictedValue - 
threshold) / gradient;
+            }
+
+            if (predictedValue < threshold) {
+                //Since predicted-value is less, it can be scale-down
+                return min - 1;
+            }
+        }
+
+        return (int) Math.ceil(min + numberOfAdditionalInstancesRequired);
+    }
+
+    public int getNumberOfInstancesRequiredBasedOnLoadAverage(float threshold, 
double predictedValue, int min) {
+
+        double numberOfInstances;
+        if (threshold != 0) {
+
+            numberOfInstances = (min * predictedValue) / threshold;
+            return (int) Math.ceil(numberOfInstances);
+        }
+
+        return min;
+    }
+
+    public int getMaxNumberOfInstancesRequired(int 
numberOfInstancesRequiredBasedOnRif,
+                                               int 
numberOfInstancesRequiredBasedOnMemoryConsumption, boolean mcReset,
+                                               int 
numberOfInstancesReuquiredBasedOnLoadAverage, boolean laReset) {
+        int numberOfInstances = 0;
+
+        int rifBasedRequiredInstances = 0;
+        int mcBasedRequiredInstances = 0;
+        int laBasedRequiredInstances = 0;
+        if (arspiIsSet) {
+            rifBasedRequiredInstances = numberOfInstancesRequiredBasedOnRif;
+        }
+        if (mcReset) {
+            mcBasedRequiredInstances = 
numberOfInstancesRequiredBasedOnMemoryConsumption;
+        }
+        if (laReset) {
+            laBasedRequiredInstances = 
numberOfInstancesReuquiredBasedOnLoadAverage;
+        }
+        numberOfInstances = 
Math.max(Math.max(numberOfInstancesRequiredBasedOnMemoryConsumption,
+                        numberOfInstancesReuquiredBasedOnLoadAverage),
+                numberOfInstancesRequiredBasedOnRif);
+        return numberOfInstances;
+    }
+
+    public PartitionAlgorithm getPartitionAlgorithm(String partitionAlgorithm) 
{
+
+        PartitionAlgorithm autoscaleAlgorithm = null;
+        //FIXME to not parse for algo when partition is chosen by the parent
+
+        if (partitionAlgorithm == null) {
+            //Send one after another as default
+            partitionAlgorithm = 
StratosConstants.PARTITION_ONE_AFTER_ANOTHER_ALGORITHM_ID;
+        }
+        if (log.isDebugEnabled()) {
+            log.debug(String.format("Retrieving partition algorithm [Partition 
algorithm]: %s", partitionAlgorithm));
+        }
+        if 
(StratosConstants.PARTITION_ROUND_ROBIN_ALGORITHM_ID.equals(partitionAlgorithm))
 {
+            autoscaleAlgorithm = new RoundRobin();
+        } else if 
(StratosConstants.PARTITION_ONE_AFTER_ANOTHER_ALGORITHM_ID.equals(partitionAlgorithm))
 {
+            autoscaleAlgorithm = new OneAfterAnother();
+        } else {
+            if (log.isErrorEnabled()) {
+                log.error(String.format("Partition algorithm %s could not be 
identified !", partitionAlgorithm));
+            }
+        }
+        return autoscaleAlgorithm;
+    }
+
+    public void delegateInstanceCleanup(String memberId) {
+        try {
+            // send the instance notification event.
+            
InstanceNotificationPublisher.getInstance().sendInstanceCleanupEventForMember(memberId);
+            log.info("Instance clean up event sent for [member] " + memberId);
+
+        } catch (Exception e) {
+            log.error("Cannot terminate instance", e);
+        }
+    }
+
+    /**
+     * Invoked from drools to start an instance.
+     *
+     * @param clusterMonitorPartitionContext Cluster monitor partition context
+     * @param clusterId                      Cluster id
+     * @param clusterInstanceId              Instance id
+     * @param isPrimary                      Is a primary member
+     */
+    public void delegateSpawn(ClusterLevelPartitionContext 
clusterMonitorPartitionContext, String clusterId,
+                              String clusterInstanceId, boolean isPrimary, 
String autoscalingReason, long scalingTime) {
+
+        try {
+            String nwPartitionId = 
clusterMonitorPartitionContext.getNetworkPartitionId();
+
+            // Calculate accumulation of minimum counts of all the partition 
of current network partition
+            int minimumCountOfNetworkPartition;
+            ClusterMonitor clusterMonitor = 
AutoscalerContext.getInstance().getClusterMonitor(clusterId);
+            ClusterContext clusterContext = clusterMonitor.getClusterContext();
+            ClusterLevelNetworkPartitionContext 
clusterLevelNetworkPartitionContext =
+                    clusterContext.getNetworkPartitionCtxt(nwPartitionId);
+            ClusterInstanceContext clusterInstanceContext =
+                    (ClusterInstanceContext) 
clusterLevelNetworkPartitionContext.
+                            getInstanceContext(
+                                    clusterInstanceId);
+            minimumCountOfNetworkPartition = 
clusterInstanceContext.getMinInstanceCount();
+
+            MemberContext memberContext = 
AutoscalerCloudControllerClient.getInstance().startInstance(
+                    clusterMonitorPartitionContext.getPartition(), clusterId, 
clusterInstanceId,
+                    clusterMonitorPartitionContext.getNetworkPartitionId(), 
isPrimary, minimumCountOfNetworkPartition,
+                    autoscalingReason, scalingTime);
+            if (memberContext != null) {
+                ClusterLevelPartitionContext partitionContext = 
clusterInstanceContext.
+                        getPartitionCtxt(
+                                clusterMonitorPartitionContext
+                                        .getPartitionId());
+                partitionContext.addPendingMember(memberContext);
+                partitionContext.addMemberStatsContext(new 
MemberStatsContext(memberContext.getMemberId()));
+                if (log.isDebugEnabled()) {
+                    log.debug(String.format("Pending member added, [member] %s 
[partition] %s",
+                            memberContext.getMemberId(), 
memberContext.getPartition().getId()));
+                }
+
+            } else {
+                if (log.isErrorEnabled()) {
+                    log.error("Member context returned from cloud controller 
is null");
+                }
+            }
+        } catch (Exception e) {
+            String message = String.format("Could not start instance: 
[cluster-id] %s [instance-id] %s", clusterId,
+                    clusterInstanceId);
+            log.error(message, e);
+            throw new RuntimeException(message, e);
+        }
+    }
+
+    public void delegateScalingDependencyNotification(String clusterId, String 
networkPartitionId, String instanceId,
+                                                      int 
requiredInstanceCount, int minimumInstanceCount) {
+
+        if (log.isDebugEnabled()) {
+            log.debug("Scaling dependent notification is going to the 
[parentInstance] " + instanceId);
+        }
+        //Notify parent for checking scaling dependencies
+        ClusterMonitor clusterMonitor = 
AutoscalerContext.getInstance().getClusterMonitor(clusterId);
+        float fMinimumInstanceCount = minimumInstanceCount;
+        float factor = requiredInstanceCount / fMinimumInstanceCount;
+        clusterMonitor.sendClusterScalingEvent(networkPartitionId, instanceId, 
factor);
+    }
+
+    public void delegateScalingOverMaxNotification(String clusterId, String 
networkPartitionId, String instanceId) {
+        if (log.isDebugEnabled()) {
+            log.debug("Scaling max out notification is going to the 
[parentInstance] " + instanceId);
+        }
+        //Notify parent for checking scaling dependencies
+        ClusterMonitor clusterMonitor = 
AutoscalerContext.getInstance().getClusterMonitor(clusterId);
+        clusterMonitor.sendScalingOverMaxEvent(networkPartitionId, instanceId);
+    }
+
+    public void delegateScalingDownBeyondMinNotification(String clusterId, 
String networkPartitionId,
+                                                         String instanceId) {
+        if (log.isDebugEnabled()) {
+            log.debug("Scaling down lower min notification is going to the 
[parentInstance] " + instanceId);
+        }
+        //Notify parent for checking scaling dependencies
+        ClusterMonitor clusterMonitor = 
AutoscalerContext.getInstance().getClusterMonitor(clusterId);
+        clusterMonitor.sendScalingDownBeyondMinEvent(networkPartitionId, 
instanceId);
+    }
+
+    public void delegateTerminate(ClusterLevelPartitionContext 
clusterMonitorPartitionContext, String memberId) {
+
+        try {
+            //Moving member to pending termination list
+            if 
(clusterMonitorPartitionContext.activeMemberAvailable(memberId)) {
+
+                log.info(String.format("[scale-down] Moving active member to 
termination pending list [member id] %s " +
+                                "[partition] %s [network partition] %s", 
memberId,
+                        clusterMonitorPartitionContext.getPartitionId(),
+                        
clusterMonitorPartitionContext.getNetworkPartitionId()));
+                
clusterMonitorPartitionContext.moveActiveMemberToTerminationPendingMembers(memberId);
+                
clusterMonitorPartitionContext.removeMemberStatsContext(memberId);
+            } else if 
(clusterMonitorPartitionContext.pendingMemberAvailable(memberId)) {
+
+                log.info(String.format(
+                        "[scale-down] Moving pending member to termination 
pending list [member id] %s " +
+                                "[partition] %s [network partition] %s", 
memberId,
+                        clusterMonitorPartitionContext.getPartitionId(),
+                        
clusterMonitorPartitionContext.getNetworkPartitionId()));
+                
clusterMonitorPartitionContext.movePendingMemberToObsoleteMembers(memberId);
+                
clusterMonitorPartitionContext.removeMemberStatsContext(memberId);
+            }
+        } catch (Exception e) {
+            log.error("[scale-down] Cannot move member to termination pending 
list ", e);
+        }
+    }
+
+    public void delegateTerminateDependency(ClusterLevelPartitionContext 
clusterMonitorPartitionContext,
+                                            String memberId) {
+        try {
+            //calling SM to send the instance notification event.
+            if (log.isDebugEnabled()) {
+                log.debug("delegateTerminateDependency:memberId:" + memberId);
+            }
+
+        } catch (Exception e) {
+            log.error("Cannot terminate instance", e);
+        }
+    }
+
+    public void terminateObsoleteInstance(String memberId) {
+        try {
+            
AutoscalerCloudControllerClient.getInstance().terminateInstance(memberId);
+        } catch (Exception e) {
+            log.error("Cannot terminate instance", e);
+        }
+    }
+
+    //Grouping
+    public void delegateTerminateAll(String clusterId) {
+        try {
+            if (log.isDebugEnabled()) {
+                log.debug("delegateTerminateAll - begin");
+            }
+            
AutoscalerCloudControllerClient.getInstance().terminateAllInstances(clusterId);
+            if (log.isDebugEnabled()) {
+                log.debug("delegateTerminateAll - done");
+            }
+        } catch (Exception e) {
+            log.error("Cannot terminate instance", e);
+        }
+    }
+
+    public int getPredictedReplicasForStat(int minReplicas, float 
statUpperLimit, float statPredictedValue) {
+        if (statUpperLimit == 0) {
+            return 0;
+        }
+        float predictedValue = ((minReplicas / statUpperLimit) * 
statPredictedValue);
+        return (int) Math.ceil(predictedValue);
+    }
+
+    public double getLoadAveragePredictedValue(ClusterInstanceContext 
clusterInstanceContext) {
+        double loadAveragePredicted = 0.0d;
+        int totalMemberCount = 0;
+        for (ClusterLevelPartitionContext partitionContext : 
clusterInstanceContext.getPartitionCtxts()) {
+            for (MemberStatsContext memberStatsContext : 
partitionContext.getMemberStatsContexts().values()) {
+
+                float memberAverageLoadAverage = 
memberStatsContext.getLoadAverage().getAverage();
+                float memberGredientLoadAverage = 
memberStatsContext.getLoadAverage().getGradient();
+                float memberSecondDerivativeLoadAverage = 
memberStatsContext.getLoadAverage().getSecondDerivative();
+
+                double memberPredictedLoadAverage =
+                        
getPredictedValueForNextMinute(memberAverageLoadAverage, 
memberGredientLoadAverage,
+                                memberSecondDerivativeLoadAverage, 1);
+
+                if (log.isDebugEnabled()) {
+                    log.debug(String.format("[cluster-instance-id] %s 
[member-id] %s " + "[predicted load average] %s ",
+                            clusterInstanceContext.getId(), 
memberStatsContext.getMemberId(),
+                            memberPredictedLoadAverage));
+                }
+                loadAveragePredicted += memberPredictedLoadAverage;
+                ++totalMemberCount;
+            }
+        }
+
+        if (totalMemberCount > 0) {
+            log.debug("Predicted load average : " + loadAveragePredicted / 
totalMemberCount);
+            return loadAveragePredicted / totalMemberCount;
+        } else {
+            return 0;
+        }
+    }
+
+    public double getMemoryConsumptionPredictedValue(ClusterInstanceContext 
clusterInstanceContext) {
+        double memoryConsumptionPredicted = 0.0d;
+        int totalMemberCount = 0;
+        for (ClusterLevelPartitionContext partitionContext : 
clusterInstanceContext.getPartitionCtxts()) {
+            for (MemberStatsContext memberStatsContext : 
partitionContext.getMemberStatsContexts().values()) {
+
+                float memberMemoryConsumptionAverage = 
memberStatsContext.getMemoryConsumption().getAverage();
+                float memberMemoryConsumptionGredient = 
memberStatsContext.getMemoryConsumption().getGradient();
+                float memberMemoryConsumptionSecondDerivative =
+                        
memberStatsContext.getMemoryConsumption().getSecondDerivative();
+
+                double memberPredictedMemoryConsumption =
+                        
getPredictedValueForNextMinute(memberMemoryConsumptionAverage, 
memberMemoryConsumptionGredient,
+                                memberMemoryConsumptionSecondDerivative, 1);
+
+                if (log.isDebugEnabled()) {
+                    log.debug(String.format("[member-id] %s [predicted memory 
consumption] %s ",
+                            memberStatsContext.getMemberId(), 
memberPredictedMemoryConsumption));
+                }
+                memoryConsumptionPredicted += memberPredictedMemoryConsumption;
+                ++totalMemberCount;
+            }
+        }
+
+        if (totalMemberCount > 0) {
+            log.debug("Predicted memory consumption : " + 
memoryConsumptionPredicted / totalMemberCount);
+            return memoryConsumptionPredicted / totalMemberCount;
+        } else {
+            return 0;
+        }
+    }
 }

http://git-wip-us.apache.org/repos/asf/stratos/blob/a61331e0/components/org.apache.stratos.cloud.controller/src/main/java/org/apache/stratos/cloud/controller/util/CloudControllerConstants.java
----------------------------------------------------------------------
diff --git 
a/components/org.apache.stratos.cloud.controller/src/main/java/org/apache/stratos/cloud/controller/util/CloudControllerConstants.java
 
b/components/org.apache.stratos.cloud.controller/src/main/java/org/apache/stratos/cloud/controller/util/CloudControllerConstants.java
index e2d953b..41dd8f0 100644
--- 
a/components/org.apache.stratos.cloud.controller/src/main/java/org/apache/stratos/cloud/controller/util/CloudControllerConstants.java
+++ 
b/components/org.apache.stratos.cloud.controller/src/main/java/org/apache/stratos/cloud/controller/util/CloudControllerConstants.java
@@ -24,261 +24,261 @@ import java.io.File;
 
 public final class CloudControllerConstants {
 
-       /**
-        * cloud-controller XML file's elements
-        */
-       public static final String CLOUD_CONTROLLER_ELEMENT = "cloudController";
-       public static final String SERIALIZATION_DIR_ELEMENT = 
"serializationDir";
-       public static final String IAAS_PROVIDERS_ELEMENT = "iaasProviders";
-       public static final String IAAS_PROVIDER_ELEMENT = "iaasProvider";
-       public static final String PARTITION_ELEMENT = "partition";
-       public static final String PARTITIONS_ELEMENT = "partitions";
-       public static final String REGION_ELEMENT = "region";
-       public static final String ZONE_ELEMENT = "zone";
-       public static final String DEPLOYMENT_ELEMENT = "deployment";
-       public static final String PORT_MAPPING_ELEMENT = "portMapping";
-       public static final String APP_TYPES_ELEMENT = "appTypes";
-       public static final String TYPE_ATTR = "type";
-       public static final String HOST_ATTR = "host";
-       public static final String BASE_DIR_ATTR = "baseDir";
-       public static final String PROVIDER_ATTR = "provider";
-       public static final String VERSION_ATTR = "version";
-       public static final String MULTI_TENANT_ATTR = "multiTenant";
-       public static final String PORT_ATTR = "port";
-       public static final String PROXY_PORT_ATTR = "proxyPort";
-       public static final String NAME_ATTR = "name";
-       public static final String APP_SPECIFIC_MAPPING_ATTR = 
"appSpecificMapping";
+    /**
+     * cloud-controller XML file's elements
+     */
+    public static final String CLOUD_CONTROLLER_ELEMENT = "cloudController";
+    public static final String SERIALIZATION_DIR_ELEMENT = "serializationDir";
+    public static final String IAAS_PROVIDERS_ELEMENT = "iaasProviders";
+    public static final String IAAS_PROVIDER_ELEMENT = "iaasProvider";
+    public static final String PARTITION_ELEMENT = "partition";
+    public static final String PARTITIONS_ELEMENT = "partitions";
+    public static final String REGION_ELEMENT = "region";
+    public static final String ZONE_ELEMENT = "zone";
+    public static final String DEPLOYMENT_ELEMENT = "deployment";
+    public static final String PORT_MAPPING_ELEMENT = "portMapping";
+    public static final String APP_TYPES_ELEMENT = "appTypes";
+    public static final String TYPE_ATTR = "type";
+    public static final String HOST_ATTR = "host";
+    public static final String BASE_DIR_ATTR = "baseDir";
+    public static final String PROVIDER_ATTR = "provider";
+    public static final String VERSION_ATTR = "version";
+    public static final String MULTI_TENANT_ATTR = "multiTenant";
+    public static final String PORT_ATTR = "port";
+    public static final String PROXY_PORT_ATTR = "proxyPort";
+    public static final String NAME_ATTR = "name";
+    public static final String APP_SPECIFIC_MAPPING_ATTR = 
"appSpecificMapping";
 
-       public static final String CARTRIDGES_ELEMENT = "cartridges";
-       public static final String CARTRIDGE_ELEMENT = "cartridge";
+    public static final String CARTRIDGES_ELEMENT = "cartridges";
+    public static final String CARTRIDGE_ELEMENT = "cartridge";
 
-       public static final String DISPLAY_NAME_ELEMENT = "displayName";
-       public static final String DESCRIPTION_ELEMENT = "description";
-       public static final String PROPERTY_ELEMENT = "property";
-       public static final String PROPERTY_NAME_ATTR = "name";
-       public static final String PROPERTY_VALUE_ATTR = "value";
-       public static final String IMAGE_ID_ELEMENT = "imageId";
-       public static final String SCALE_DOWN_ORDER_ELEMENT = "scaleDownOrder";
-       public static final String SCALE_UP_ORDER_ELEMENT = "scaleUpOrder";
-       public static final String CLASS_NAME_ELEMENT = "className";
-       public static final String PROVIDER_ELEMENT = "provider";
-       public static final String IDENTITY_ELEMENT = "identity";
-       public static final String TYPE_ELEMENT = "type";
-       public static final String SCOPE_ELEMENT = "scope";
-       public static final String ID_ELEMENT = "id";
-       public static final String CREDENTIAL_ELEMENT = "credential";
-       public static final String DEFAULT_SERVICE_ELEMENT = "default";
-       public static final String SERVICE_ELEMENT = "service";
-       public static final String SERVICES_ELEMENT = "services";
-       public static final String DIRECTORY_ELEMENT = "dir";
-       public static final String HTTP_ELEMENT = "http";
-       public static final String HTTPS_ELEMENT = "https";
-       public static final String APP_TYPE_ELEMENT = "appType";
-       public static final String SERVICE_DOMAIN_ATTR = "domain";
-       public static final String SERVICE_SUB_DOMAIN_ATTR = "subDomain";
-       public static final String SERVICE_TENANT_RANGE_ATTR = "tenantRange";
-       public static final String POLICY_NAME = "policyName";
-       public static final String PAYLOAD_ELEMENT = "payload";
-       public static final String DATA_PUBLISHER_ELEMENT = "dataPublisher";
-       public static final String TOPOLOGY_SYNC_ELEMENT = "topologySync";
-       public static final String ENABLE_ATTR = "enable";
-       public static final String BAM_SERVER_ELEMENT = "bamServer";
-       public static final String CRON_ELEMENT = "cron";
-       public static final String BAM_SERVER_ADMIN_USERNAME_ELEMENT = 
"adminUserName";
-       public static final String BAM_SERVER_ADMIN_PASSWORD_ELEMENT = 
"adminPassword";
-       public static final String CASSANDRA_INFO_ELEMENT = "cassandraInfo";
-       public static final String HOST_ELEMENT = "host";
-       public static final String CONNECTION_URL_ELEMENT = "connectionUrl";
-       public static final String HOST_PORT_ELEMENT = "port";
-       public static final String USER_NAME_ELEMENT = "userName";
-       public static final String PASSWORD_ELEMENT = "password";
-       public static final String CLOUD_CONTROLLER_EVENT_STREAM = 
"org.apache.stratos.cloud.controller";
-       public static final String CLOUD_CONTROLLER_COL_FAMILY = 
CLOUD_CONTROLLER_EVENT_STREAM.replaceAll("[/.]", "_");
+    public static final String DISPLAY_NAME_ELEMENT = "displayName";
+    public static final String DESCRIPTION_ELEMENT = "description";
+    public static final String PROPERTY_ELEMENT = "property";
+    public static final String PROPERTY_NAME_ATTR = "name";
+    public static final String PROPERTY_VALUE_ATTR = "value";
+    public static final String IMAGE_ID_ELEMENT = "imageId";
+    public static final String SCALE_DOWN_ORDER_ELEMENT = "scaleDownOrder";
+    public static final String SCALE_UP_ORDER_ELEMENT = "scaleUpOrder";
+    public static final String CLASS_NAME_ELEMENT = "className";
+    public static final String PROVIDER_ELEMENT = "provider";
+    public static final String IDENTITY_ELEMENT = "identity";
+    public static final String TYPE_ELEMENT = "type";
+    public static final String SCOPE_ELEMENT = "scope";
+    public static final String ID_ELEMENT = "id";
+    public static final String CREDENTIAL_ELEMENT = "credential";
+    public static final String DEFAULT_SERVICE_ELEMENT = "default";
+    public static final String SERVICE_ELEMENT = "service";
+    public static final String SERVICES_ELEMENT = "services";
+    public static final String DIRECTORY_ELEMENT = "dir";
+    public static final String HTTP_ELEMENT = "http";
+    public static final String HTTPS_ELEMENT = "https";
+    public static final String APP_TYPE_ELEMENT = "appType";
+    public static final String SERVICE_DOMAIN_ATTR = "domain";
+    public static final String SERVICE_SUB_DOMAIN_ATTR = "subDomain";
+    public static final String SERVICE_TENANT_RANGE_ATTR = "tenantRange";
+    public static final String POLICY_NAME = "policyName";
+    public static final String PAYLOAD_ELEMENT = "payload";
+    public static final String DATA_PUBLISHER_ELEMENT = "dataPublisher";
+    public static final String TOPOLOGY_SYNC_ELEMENT = "topologySync";
+    public static final String ENABLE_ATTR = "enable";
+    public static final String BAM_SERVER_ELEMENT = "bamServer";
+    public static final String CRON_ELEMENT = "cron";
+    public static final String BAM_SERVER_ADMIN_USERNAME_ELEMENT = 
"adminUserName";
+    public static final String BAM_SERVER_ADMIN_PASSWORD_ELEMENT = 
"adminPassword";
+    public static final String CASSANDRA_INFO_ELEMENT = "cassandraInfo";
+    public static final String HOST_ELEMENT = "host";
+    public static final String CONNECTION_URL_ELEMENT = "connectionUrl";
+    public static final String HOST_PORT_ELEMENT = "port";
+    public static final String USER_NAME_ELEMENT = "userName";
+    public static final String PASSWORD_ELEMENT = "password";
+    public static final String CLOUD_CONTROLLER_EVENT_STREAM = 
"org.apache.stratos.cloud.controller";
+    public static final String CLOUD_CONTROLLER_COL_FAMILY = 
CLOUD_CONTROLLER_EVENT_STREAM.replaceAll("[/.]", "_");
 
-       /**
-        * column names
-        */
-       public static final String PAYLOAD_PREFIX = "payload_";
-       public static final String MEMBER_ID_COL = "memberId";
-       public static final String CARTRIDGE_TYPE_COL = "cartridgeType";
-       public static final String CLUSTER_ID_COL = "clusterId";
-       public static final String CLUSTER_INSTANCE_ID_COL = 
"clusterInstanceId";
-       public static final String PARTITION_ID_COL = "partitionId";
-       public static final String NETWORK_ID_COL = "networkId";
-       public static final String ALIAS_COL = "alias";
-       public static final String TENANT_RANGE_COL = "tenantRange";
-       public static final String IS_MULTI_TENANT_COL = "isMultiTenant";
-       public static final String IAAS_COL = "iaas";
-       public static final String STATUS_COL = "status";
-       public static final String HOST_NAME_COL = "hostName";
-       public static final String HYPERVISOR_COL = "hypervisor";
-       public static final String RAM_COL = "ram";
-       public static final String IMAGE_ID_COL = "imageId";
-       public static final String LOGIN_PORT_COL = "loginPort";
-       public static final String OS_NAME_COL = "osName";
-       public static final String OS_VERSION_COL = "osVersion";
-       public static final String OS_ARCH_COL = "osArch";
-       public static final String OS_BIT_COL = "is64bitOS";
-       public static final String PRIV_IP_COL = "privateIPAddresses";
-       public static final String PUB_IP_COL = "publicIPAddresses";
-       public static final String ALLOCATE_IP_COL = "allocateIPAddresses";
-       public static final String TIME_STAMP = "timeStamp";
-       public static final String SCALING_REASON = "scalingReason";
-       public static final String SCALING_TIME = "scalingTime";
+    /**
+     * column names
+     */
+    public static final String PAYLOAD_PREFIX = "payload_";
+    public static final String MEMBER_ID_COL = "memberId";
+    public static final String CARTRIDGE_TYPE_COL = "cartridgeType";
+    public static final String CLUSTER_ID_COL = "clusterId";
+    public static final String CLUSTER_INSTANCE_ID_COL = "clusterInstanceId";
+    public static final String PARTITION_ID_COL = "partitionId";
+    public static final String NETWORK_ID_COL = "networkId";
+    public static final String ALIAS_COL = "alias";
+    public static final String TENANT_RANGE_COL = "tenantRange";
+    public static final String IS_MULTI_TENANT_COL = "isMultiTenant";
+    public static final String IAAS_COL = "iaas";
+    public static final String STATUS_COL = "status";
+    public static final String HOST_NAME_COL = "hostName";
+    public static final String HYPERVISOR_COL = "hypervisor";
+    public static final String RAM_COL = "ram";
+    public static final String IMAGE_ID_COL = "imageId";
+    public static final String LOGIN_PORT_COL = "loginPort";
+    public static final String OS_NAME_COL = "osName";
+    public static final String OS_VERSION_COL = "osVersion";
+    public static final String OS_ARCH_COL = "osArch";
+    public static final String OS_BIT_COL = "is64bitOS";
+    public static final String PRIV_IP_COL = "privateIPAddresses";
+    public static final String PUB_IP_COL = "publicIPAddresses";
+    public static final String ALLOCATE_IP_COL = "allocateIPAddresses";
+    public static final String TIME_STAMP = "timeStamp";
+    public static final String SCALING_REASON = "scalingReason";
+    public static final String SCALING_TIME = "scalingTime";
 
-       /**
-        * Properties
-        */
-       public static final String REGION_PROPERTY = "region";
-       public static final String TOPICS_PROPERTY = "topics";
-       public static final String PUBLIC_IP_PROPERTY = "public_ip";
-       public static final String TENANT_ID_PROPERTY = "tenant_id";
-       public static final String ALIAS_PROPERTY = "alias";
-       public static final String AUTO_ASSIGN_IP_PROPERTY = "autoAssignIp";
-       public static final String JCLOUDS_ENDPOINT = "jclouds.endpoint";
-       public static final String CRON_PROPERTY = "cron";
-       public static final String AMQP_CONNECTION_URL_PROPERTY = 
"amqpConnectionUrl";
-       public static final String AMQP_INITIAL_CONTEXT_FACTORY_PROPERTY = 
"amqpInitialContextFactory";
-       public static final String AMQP_TOPIC_CONNECTION_FACTORY_PROPERTY = 
"amqpTopicConnectionFactory";
-       public static final String INSTANCE_TOPIC = "instance/*";
-       // pre define a floating ip
-       public static final String FLOATING_IP_PROPERTY = "floatingIp";
-       public static final String DEFAULT_FLOATING_IP_POOL = 
"defaultFloatingIpPool";
-       public static final String OPENSTACK_NETWORKING_PROVIDER = 
"openstack.networking.provider";
-       public static final String OPENSTACK_NEUTRON_NETWORKING = "neutron";
+    /**
+     * Properties
+     */
+    public static final String REGION_PROPERTY = "region";
+    public static final String TOPICS_PROPERTY = "topics";
+    public static final String PUBLIC_IP_PROPERTY = "public_ip";
+    public static final String TENANT_ID_PROPERTY = "tenant_id";
+    public static final String ALIAS_PROPERTY = "alias";
+    public static final String AUTO_ASSIGN_IP_PROPERTY = "autoAssignIp";
+    public static final String JCLOUDS_ENDPOINT = "jclouds.endpoint";
+    public static final String CRON_PROPERTY = "cron";
+    public static final String AMQP_CONNECTION_URL_PROPERTY = 
"amqpConnectionUrl";
+    public static final String AMQP_INITIAL_CONTEXT_FACTORY_PROPERTY = 
"amqpInitialContextFactory";
+    public static final String AMQP_TOPIC_CONNECTION_FACTORY_PROPERTY = 
"amqpTopicConnectionFactory";
+    public static final String INSTANCE_TOPIC = "instance/*";
+    // pre define a floating ip
+    public static final String FLOATING_IP_PROPERTY = "floatingIp";
+    public static final String DEFAULT_FLOATING_IP_POOL = 
"defaultFloatingIpPool";
+    public static final String OPENSTACK_NETWORKING_PROVIDER = 
"openstack.networking.provider";
+    public static final String OPENSTACK_NEUTRON_NETWORKING = "neutron";
 
-       /**
-        * XPath expressions
-        */
-       public static final String IAAS_PROVIDER_XPATH =
-                       "/" + CLOUD_CONTROLLER_ELEMENT + "/" + 
IAAS_PROVIDERS_ELEMENT + "/" + IAAS_PROVIDER_ELEMENT;
-       public static final String PARTITION_XPATH =
-                       "/" + CLOUD_CONTROLLER_ELEMENT + "/" + 
PARTITIONS_ELEMENT + "/" + PARTITION_ELEMENT;
-       public static final String REGION_XPATH =
-                       "/" + CLOUD_CONTROLLER_ELEMENT + "/" + 
IAAS_PROVIDERS_ELEMENT + "/" + IAAS_PROVIDER_ELEMENT + "/" +
-                       REGION_ELEMENT;
-       public static final String ZONE_XPATH =
-                       "/" + CLOUD_CONTROLLER_ELEMENT + "/" + 
IAAS_PROVIDERS_ELEMENT + "/" + IAAS_PROVIDER_ELEMENT + "/" +
-                       REGION_ELEMENT + "/" + ZONE_ELEMENT;
-       public static final String HOST_XPATH =
-                       "/" + CLOUD_CONTROLLER_ELEMENT + "/" + 
IAAS_PROVIDERS_ELEMENT + "/" + IAAS_PROVIDER_ELEMENT + "/" +
-                       REGION_ELEMENT + "/" + ZONE_ELEMENT + "/" + 
HOST_ELEMENT;
-       public static final String PROPERTY_ELEMENT_XPATH = "/" + 
PROPERTY_ELEMENT;
-       public static final String IMAGE_ID_ELEMENT_XPATH = "/" + 
IMAGE_ID_ELEMENT;
-       public static final String SCALE_UP_ORDER_ELEMENT_XPATH = "/" + 
SCALE_UP_ORDER_ELEMENT;
-       public static final String SCALE_DOWN_ORDER_ELEMENT_XPATH = "/" + 
SCALE_DOWN_ORDER_ELEMENT;
-       public static final String PROVIDER_ELEMENT_XPATH = "/" + 
PROPERTY_ELEMENT;
-       public static final String IDENTITY_ELEMENT_XPATH = "/" + 
IDENTITY_ELEMENT;
-       public static final String CREDENTIAL_ELEMENT_XPATH = "/" + 
CREDENTIAL_ELEMENT;
-       public static final String SERVICES_ELEMENT_XPATH = "/" + 
SERVICES_ELEMENT + "/" + SERVICE_ELEMENT;
-       public static final String SERVICE_ELEMENT_XPATH = "/" + 
SERVICE_ELEMENT;
-       public static final String CARTRIDGE_ELEMENT_XPATH = "/" + 
CARTRIDGE_ELEMENT;
-       public static final String PAYLOAD_ELEMENT_XPATH = "/" + 
PAYLOAD_ELEMENT;
-       public static final String HOST_ELEMENT_XPATH = "/" + HOST_ELEMENT;
-       public static final String CARTRIDGES_ELEMENT_XPATH = "/" + 
CARTRIDGES_ELEMENT + "/" + CARTRIDGE_ELEMENT;
-       public static final String IAAS_PROVIDER_ELEMENT_XPATH = "/" + 
IAAS_PROVIDER_ELEMENT;
-       public static final String DEPLOYMENT_ELEMENT_XPATH = "/" + 
DEPLOYMENT_ELEMENT;
-       public static final String PORT_MAPPING_ELEMENT_XPATH = "/" + 
PORT_MAPPING_ELEMENT;
-       public static final String APP_TYPES_ELEMENT_XPATH = "/" + 
APP_TYPES_ELEMENT;
+    /**
+     * XPath expressions
+     */
+    public static final String IAAS_PROVIDER_XPATH =
+            "/" + CLOUD_CONTROLLER_ELEMENT + "/" + IAAS_PROVIDERS_ELEMENT + 
"/" + IAAS_PROVIDER_ELEMENT;
+    public static final String PARTITION_XPATH =
+            "/" + CLOUD_CONTROLLER_ELEMENT + "/" + PARTITIONS_ELEMENT + "/" + 
PARTITION_ELEMENT;
+    public static final String REGION_XPATH =
+            "/" + CLOUD_CONTROLLER_ELEMENT + "/" + IAAS_PROVIDERS_ELEMENT + 
"/" + IAAS_PROVIDER_ELEMENT + "/" +
+                    REGION_ELEMENT;
+    public static final String ZONE_XPATH =
+            "/" + CLOUD_CONTROLLER_ELEMENT + "/" + IAAS_PROVIDERS_ELEMENT + 
"/" + IAAS_PROVIDER_ELEMENT + "/" +
+                    REGION_ELEMENT + "/" + ZONE_ELEMENT;
+    public static final String HOST_XPATH =
+            "/" + CLOUD_CONTROLLER_ELEMENT + "/" + IAAS_PROVIDERS_ELEMENT + 
"/" + IAAS_PROVIDER_ELEMENT + "/" +
+                    REGION_ELEMENT + "/" + ZONE_ELEMENT + "/" + HOST_ELEMENT;
+    public static final String PROPERTY_ELEMENT_XPATH = "/" + PROPERTY_ELEMENT;
+    public static final String IMAGE_ID_ELEMENT_XPATH = "/" + IMAGE_ID_ELEMENT;
+    public static final String SCALE_UP_ORDER_ELEMENT_XPATH = "/" + 
SCALE_UP_ORDER_ELEMENT;
+    public static final String SCALE_DOWN_ORDER_ELEMENT_XPATH = "/" + 
SCALE_DOWN_ORDER_ELEMENT;
+    public static final String PROVIDER_ELEMENT_XPATH = "/" + PROPERTY_ELEMENT;
+    public static final String IDENTITY_ELEMENT_XPATH = "/" + IDENTITY_ELEMENT;
+    public static final String CREDENTIAL_ELEMENT_XPATH = "/" + 
CREDENTIAL_ELEMENT;
+    public static final String SERVICES_ELEMENT_XPATH = "/" + SERVICES_ELEMENT 
+ "/" + SERVICE_ELEMENT;
+    public static final String SERVICE_ELEMENT_XPATH = "/" + SERVICE_ELEMENT;
+    public static final String CARTRIDGE_ELEMENT_XPATH = "/" + 
CARTRIDGE_ELEMENT;
+    public static final String PAYLOAD_ELEMENT_XPATH = "/" + PAYLOAD_ELEMENT;
+    public static final String HOST_ELEMENT_XPATH = "/" + HOST_ELEMENT;
+    public static final String CARTRIDGES_ELEMENT_XPATH = "/" + 
CARTRIDGES_ELEMENT + "/" + CARTRIDGE_ELEMENT;
+    public static final String IAAS_PROVIDER_ELEMENT_XPATH = "/" + 
IAAS_PROVIDER_ELEMENT;
+    public static final String DEPLOYMENT_ELEMENT_XPATH = "/" + 
DEPLOYMENT_ELEMENT;
+    public static final String PORT_MAPPING_ELEMENT_XPATH = "/" + 
PORT_MAPPING_ELEMENT;
+    public static final String APP_TYPES_ELEMENT_XPATH = "/" + 
APP_TYPES_ELEMENT;
 
-       public static final String DATA_PUBLISHER_XPATH = "/" + 
CLOUD_CONTROLLER_ELEMENT + "/" + DATA_PUBLISHER_ELEMENT;
-       public static final String TOPOLOGY_SYNC_XPATH = "/" + 
CLOUD_CONTROLLER_ELEMENT + "/" + TOPOLOGY_SYNC_ELEMENT;
-       public static final String DATA_PUBLISHER_CRON_XPATH = "/" + 
CLOUD_CONTROLLER_ELEMENT + "/" + CRON_ELEMENT;
-       public static final String BAM_SERVER_ADMIN_USERNAME_XPATH =
-                       "/" + CLOUD_CONTROLLER_ELEMENT + "/" + 
BAM_SERVER_ADMIN_USERNAME_ELEMENT;
-       public static final String BAM_SERVER_ADMIN_PASSWORD_XPATH =
-                       "/" + CLOUD_CONTROLLER_ELEMENT + "/" + 
BAM_SERVER_ADMIN_PASSWORD_ELEMENT;
+    public static final String DATA_PUBLISHER_XPATH = "/" + 
CLOUD_CONTROLLER_ELEMENT + "/" + DATA_PUBLISHER_ELEMENT;
+    public static final String TOPOLOGY_SYNC_XPATH = "/" + 
CLOUD_CONTROLLER_ELEMENT + "/" + TOPOLOGY_SYNC_ELEMENT;
+    public static final String DATA_PUBLISHER_CRON_XPATH = "/" + 
CLOUD_CONTROLLER_ELEMENT + "/" + CRON_ELEMENT;
+    public static final String BAM_SERVER_ADMIN_USERNAME_XPATH =
+            "/" + CLOUD_CONTROLLER_ELEMENT + "/" + 
BAM_SERVER_ADMIN_USERNAME_ELEMENT;
+    public static final String BAM_SERVER_ADMIN_PASSWORD_XPATH =
+            "/" + CLOUD_CONTROLLER_ELEMENT + "/" + 
BAM_SERVER_ADMIN_PASSWORD_ELEMENT;
 
-       /**
-        * Secret Manager related aliases.
-        */
-       public static final String ALIAS_ATTRIBUTE = "secretAlias";
-       public static final String ALIAS_ATTRIBUTE_PREFIX = "svns";
-       public static final String ALIAS_NAMESPACE = 
"http://org.wso2.securevault/configuration";;
+    /**
+     * Secret Manager related aliases.
+     */
+    public static final String ALIAS_ATTRIBUTE = "secretAlias";
+    public static final String ALIAS_ATTRIBUTE_PREFIX = "svns";
+    public static final String ALIAS_NAMESPACE = 
"http://org.wso2.securevault/configuration";;
 
-       /**
-        * Payload related constants
-        */
-       public static final String PAYLOAD_NAME = "payload";
-       public static final String ENTRY_SEPARATOR = ",";
+    /**
+     * Payload related constants
+     */
+    public static final String PAYLOAD_NAME = "payload";
+    public static final String ENTRY_SEPARATOR = ",";
 
-       /**
-        * Publisher task related constants
-        */
-       public static final String DATA_PUB_TASK_TYPE = 
"CLOUD_CONTROLLER_DATA_PUBLISHER_TASK";
-       // default is : data publisher will run in first second of every minute
-       public static final String PUB_CRON_EXPRESSION = "1 * * * * ? *";
-       public static final String DATA_PUB_TASK_NAME = 
"CartridgeInstanceDataPublisher";
-       public static final String DEFAULT_BAM_SERVER_USER_NAME = "admin";
-       public static final String DEFAULT_BAM_SERVER_PASSWORD = "admin";
-       public static final String DEFAULT_CASSANDRA_URL = "localhost:9160";
-       public static final String DEFAULT_CASSANDRA_USER = "admin";
-       public static final String DEFAULT_CASSANDRA_PASSWORD = "admin";
-       public static final String DEFAULT_CASSANDRA_CLUSTER_NAME = "Test 
Cluster";
-       public static final String DEFAULT_CASSANDRA_KEY_SPACE = "EVENT_KS";
+    /**
+     * Publisher task related constants
+     */
+    public static final String DATA_PUB_TASK_TYPE = 
"CLOUD_CONTROLLER_DATA_PUBLISHER_TASK";
+    // default is : data publisher will run in first second of every minute
+    public static final String PUB_CRON_EXPRESSION = "1 * * * * ? *";
+    public static final String DATA_PUB_TASK_NAME = 
"CartridgeInstanceDataPublisher";
+    public static final String DEFAULT_BAM_SERVER_USER_NAME = "admin";
+    public static final String DEFAULT_BAM_SERVER_PASSWORD = "admin";
+    public static final String DEFAULT_CASSANDRA_URL = "localhost:9160";
+    public static final String DEFAULT_CASSANDRA_USER = "admin";
+    public static final String DEFAULT_CASSANDRA_PASSWORD = "admin";
+    public static final String DEFAULT_CASSANDRA_CLUSTER_NAME = "Test Cluster";
+    public static final String DEFAULT_CASSANDRA_KEY_SPACE = "EVENT_KS";
 
-       /**
-        * Directories
-        */
-       public static final String SERVICES_DIR =
-                       CarbonUtils.getCarbonRepository() + File.separator + 
"services" + File.separator;
+    /**
+     * Directories
+     */
+    public static final String SERVICES_DIR =
+            CarbonUtils.getCarbonRepository() + File.separator + "services" + 
File.separator;
 
-       /**
-        * Topology sync related constants
-        */
-       public static final String TOPOLOGY_FILE_PATH =
-                       CarbonUtils.getCarbonConfigDirPath() + File.separator + 
"service-topology.conf";
-       public static final String TOPOLOGY_SYNC_CRON = "1 * * * * ? *";
-       public static final String TOPOLOGY_SYNC_TASK_NAME = 
"TOPOLOGY_SYNC_TASK";
-       public static final String TOPOLOGY_SYNC_TASK_TYPE = 
"TOPOLOGY_SYNC_TASK_TYPE";
-       public static final String AMQP_CONNECTION_URL =
-                       
"amqp://admin:admin@clientID/carbon?brokerlist='tcp://localhost:5672'";
-       public static final String AMQP_INITIAL_CONTEXT_FACTORY = 
"org.wso2.andes.jndi.PropertiesFileInitialContextFactory";
-       public static final String AMQP_TOPIC_CONNECTION_FACTORY = 
"qpidConnectionfactory";
+    /**
+     * Topology sync related constants
+     */
+    public static final String TOPOLOGY_FILE_PATH =
+            CarbonUtils.getCarbonConfigDirPath() + File.separator + 
"service-topology.conf";
+    public static final String TOPOLOGY_SYNC_CRON = "1 * * * * ? *";
+    public static final String TOPOLOGY_SYNC_TASK_NAME = "TOPOLOGY_SYNC_TASK";
+    public static final String TOPOLOGY_SYNC_TASK_TYPE = 
"TOPOLOGY_SYNC_TASK_TYPE";
+    public static final String AMQP_CONNECTION_URL =
+            
"amqp://admin:admin@clientID/carbon?brokerlist='tcp://localhost:5672'";
+    public static final String AMQP_INITIAL_CONTEXT_FACTORY = 
"org.wso2.andes.jndi.PropertiesFileInitialContextFactory";
+    public static final String AMQP_TOPIC_CONNECTION_FACTORY = 
"qpidConnectionfactory";
 
-       /**
-        * Persistence
-        */
-       public static final String DATA_RESOURCE = "/cloud.controller/data";
-       public static final String TOPOLOGY_RESOURCE = 
"/cloud.controller/topology";
-       public static final String AVAILABILITY_ZONE = "availabilityZone";
-       public static final String KEY_PAIR = "keyPair";
-       public static final String HOST = "host";
-       public static final String SECURITY_GROUP_IDS = "securityGroupIds";
-       public static final String SECURITY_GROUPS = "securityGroups";
-       public static final String SUBNET_ID = "subnetId";
-       public static final String TAGS = "tags";
-       public static final String TAGS_AS_KEY_VALUE_PAIRS_PREFIX = "tag:";
-       public static final String AUTO_ASSIGN_IP = "autoAssignIp";
-       public static final String BLOCK_UNTIL_RUNNING = "blockUntilRunning";
-       public static final String INSTANCE_TYPE = "instanceType";
-       public static final String ASSOCIATE_PUBLIC_IP_ADDRESS = 
"associatePublicIpAddress";
-       public static final String LB_CLUSTER_ID_COL = "lbclusterId";
-       public static final String NETWORK_INTERFACES = "networkInterfaces";
-       public static final String NETWORK_FIXED_IP = "fixedIp";
-       public static final String NETWORK_PORT = "portUuid";
-       public static final String NETWORK_UUID = "networkUuid";
+    /**
+     * Persistence
+     */
+    public static final String DATA_RESOURCE = "/cloud.controller/data";
+    public static final String TOPOLOGY_RESOURCE = 
"/cloud.controller/topology";
+    public static final String AVAILABILITY_ZONE = "availabilityZone";
+    public static final String KEY_PAIR = "keyPair";
+    public static final String HOST = "host";
+    public static final String SECURITY_GROUP_IDS = "securityGroupIds";
+    public static final String SECURITY_GROUPS = "securityGroups";
+    public static final String SUBNET_ID = "subnetId";
+    public static final String TAGS = "tags";
+    public static final String TAGS_AS_KEY_VALUE_PAIRS_PREFIX = "tag:";
+    public static final String AUTO_ASSIGN_IP = "autoAssignIp";
+    public static final String BLOCK_UNTIL_RUNNING = "blockUntilRunning";
+    public static final String INSTANCE_TYPE = "instanceType";
+    public static final String ASSOCIATE_PUBLIC_IP_ADDRESS = 
"associatePublicIpAddress";
+    public static final String LB_CLUSTER_ID_COL = "lbclusterId";
+    public static final String NETWORK_INTERFACES = "networkInterfaces";
+    public static final String NETWORK_FIXED_IP = "fixedIp";
+    public static final String NETWORK_PORT = "portUuid";
+    public static final String NETWORK_UUID = "networkUuid";
 
-       // CloudStack specific
-       public static final String USER_NAME = "username";
-       public static final String DOMAIN_ID = "domainId";
-       public static final String DISK_OFFERING = "diskOffering";
-       public static final String NETWORK_IDS = "networkIds";
+    // CloudStack specific
+    public static final String USER_NAME = "username";
+    public static final String DOMAIN_ID = "domainId";
+    public static final String DISK_OFFERING = "diskOffering";
+    public static final String NETWORK_IDS = "networkIds";
 
-       public static final String IS_LOAD_BALANCER = "load.balancer";
+    public static final String IS_LOAD_BALANCER = "load.balancer";
 
-       /**
-        * PortRange min max
-        */
-       public static final int PORT_RANGE_MAX = 65535;
-       public static final int PORT_RANGE_MIN = 1;
+    /**
+     * PortRange min max
+     */
+    public static final int PORT_RANGE_MAX = 65535;
+    public static final int PORT_RANGE_MIN = 1;
 
-       public static final String KUBERNETES_PARTITION_PROVIDER = "kubernetes";
+    public static final String KUBERNETES_PARTITION_PROVIDER = "kubernetes";
 
-       /**
-        * Load balancing ip type enumeration values
-        */
-       public static final String LOADBALANCING_IP_TYPE_PRIVATE = "private";
-       public static final String LOADBALANCING_IP_TYPE_PUBLIC = "public";
+    /**
+     * Load balancing ip type enumeration values
+     */
+    public static final String LOADBALANCING_IP_TYPE_PRIVATE = "private";
+    public static final String LOADBALANCING_IP_TYPE_PUBLIC = "public";
 
 }

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