saving state
diff --git a/asterix-installer/src/main/assembly/binary-assembly.xml b/asterix-installer/src/main/assembly/binary-assembly.xml
index 66d6cfe..e1a340c 100644
--- a/asterix-installer/src/main/assembly/binary-assembly.xml
+++ b/asterix-installer/src/main/assembly/binary-assembly.xml
@@ -1,110 +1,106 @@
 <assembly>
-  <id>binary-assembly</id>
-  <formats>
-    <format>zip</format>
-    <format>dir</format>
-  </formats>
-  <includeBaseDirectory>false</includeBaseDirectory>
-  <fileSets>
-    <fileSet>
-      <directory>src/main/resources/conf</directory>
-      <outputDirectory>conf</outputDirectory>
-    </fileSet>
-    <fileSet>
-      <directory>src/main/resources/clusters</directory>
-      <outputDirectory>clusters</outputDirectory>
-    </fileSet>
-    <fileSet>
-      <directory>src/main/resources/zookeeper</directory>
-      <fileMode>0755</fileMode>
-      <outputDirectory>.installer/zookeeper/bin</outputDirectory>
-    </fileSet>
-    <fileSet>
-      <directory>src/main/resources/scripts</directory>
-      <fileMode>0755</fileMode>
-      <includes>
-        <include>managix</include>
-      </includes>
-      <outputDirectory>bin</outputDirectory>
-    </fileSet>
-    <fileSet>
-      <directory>src/main/resources/scripts</directory>
-      <fileMode>0755</fileMode>
-      <excludes>
-        <exclude>managix</exclude>
-      </excludes>
-      <outputDirectory>.installer/scripts</outputDirectory>
-    </fileSet>
-    <fileSet>
-      <directory>src/main/resources/hadoop-0.20.2</directory>
-      <outputDirectory>.installer/hadoop-0.20.2</outputDirectory>
-      <fileMode>0755</fileMode>
-    </fileSet>
-    <fileSet>
-      <directory>target</directory>
-      <outputDirectory>lib</outputDirectory>
-      <includes>
-        <include>*.jar</include>
-      </includes>
-    </fileSet>
-    <fileSet>
-      <directory>../asterix-events/src/main/resources/events</directory>
-      <outputDirectory>.installer/eventrix/events</outputDirectory>
-      <fileMode>0755</fileMode>
-    </fileSet>
-    <fileSet>
-      <directory>../asterix-events/src/main/resources/scripts</directory>
-      <outputDirectory>.installer/eventrix/scripts</outputDirectory>
-    </fileSet>
-  </fileSets>
-  <dependencySets>
-    <dependencySet>
-      <includes>
-         <include>log4j:log4j</include>
-         <include>edu.uci.ics.asterix:asterix-events</include>
-         <include>edu.uci.ics.asterix:asterix-common</include>
-         <include>org.apache.zookeeper:zookeeper</include>
-         <include>args4j:args4j</include>
-         <include>log4j:log4j</include>
-         <include>commons-io:commons-io</include>
-         <include>org.slf4j:slf4j-api</include>
-         <include>org.slf4j:slf4j-log4j12</include>
-       </includes>
-       <unpack>false</unpack>
-       <outputDirectory>lib</outputDirectory>
-    </dependencySet>
-    <dependencySet>
-      <includes>
-        <include>org.apache.hadoop:hadoop-core</include>
-        <include>commons-cli:commons-cli</include>
-        <include>commons-logging:commons-logging</include>
-      </includes>
-      <unpack>false</unpack>
-      <outputDirectory>.installer/hadoop-0.20.2/lib</outputDirectory>
-    </dependencySet>
-    <dependencySet>
-      <includes>
-        <include>org.apache.zookeeper:zookeeper</include>
-        <include>log4j:log4j</include>
-        <include>org.slf4j:slf4j-api</include>
-      </includes>
-      <unpack>false</unpack>
-      <outputDirectory>.installer/zookeeper/lib</outputDirectory>
-    </dependencySet>
-    <dependencySet>
-      <outputDirectory>asterix</outputDirectory>
-      <includes>
-        <include>asterix-server*</include>
-      </includes>
-      <useTransitiveDependencies>false</useTransitiveDependencies>
-    </dependencySet>
-    <dependencySet>
-      <outputDirectory>.installer/eventrix</outputDirectory>
-      <includes>
-        <include>asterix-events*</include>
-      </includes>
-      <unpack>false</unpack>
-      <useTransitiveDependencies>false</useTransitiveDependencies>
-    </dependencySet>
-  </dependencySets>
+	<id>binary-assembly</id>
+	<formats>
+		<format>zip</format>
+		<format>dir</format>
+	</formats>
+	<includeBaseDirectory>false</includeBaseDirectory>
+	<fileSets>
+		<fileSet>
+			<directory>src/main/resources/conf</directory>
+			<outputDirectory>conf</outputDirectory>
+		</fileSet>
+		<fileSet>
+			<directory>src/main/resources/clusters</directory>
+			<outputDirectory>clusters</outputDirectory>
+		</fileSet>
+		<fileSet>
+			<directory>src/main/resources/zookeeper</directory>
+			<fileMode>0755</fileMode>
+			<outputDirectory>.installer/zookeeper/bin</outputDirectory>
+		</fileSet>
+		<fileSet>
+			<directory>src/main/resources/scripts</directory>
+			<fileMode>0755</fileMode>
+			<includes>
+				<include>managix</include>
+			</includes>
+			<outputDirectory>bin</outputDirectory>
+		</fileSet>
+		<fileSet>
+			<directory>src/main/resources/scripts</directory>
+			<fileMode>0755</fileMode>
+			<excludes>
+				<exclude>managix</exclude>
+			</excludes>
+			<outputDirectory>.installer/scripts</outputDirectory>
+		</fileSet>
+		<fileSet>
+			<directory>src/main/resources/hadoop-0.20.2</directory>
+			<outputDirectory>.installer/hadoop-0.20.2</outputDirectory>
+			<fileMode>0755</fileMode>
+		</fileSet>
+		<fileSet>
+			<directory>target</directory>
+			<outputDirectory>lib</outputDirectory>
+			<includes>
+				<include>*.jar</include>
+			</includes>
+		</fileSet>
+		<fileSet>
+			<directory>../asterix-events/src/main/resources/events</directory>
+			<outputDirectory>.installer/events</outputDirectory>
+			<fileMode>0755</fileMode>
+		</fileSet>
+	</fileSets>
+	<dependencySets>
+		<dependencySet>
+			<includes>
+				<include>log4j:log4j</include>
+				<include>edu.uci.ics.asterix:asterix-events</include>
+				<include>edu.uci.ics.asterix:asterix-common</include>
+				<include>org.apache.zookeeper:zookeeper</include>
+				<include>args4j:args4j</include>
+				<include>log4j:log4j</include>
+				<include>commons-io:commons-io</include>
+				<include>org.slf4j:slf4j-api</include>
+				<include>org.slf4j:slf4j-log4j12</include>
+			</includes>
+			<unpack>false</unpack>
+			<outputDirectory>lib</outputDirectory>
+		</dependencySet>
+		<dependencySet>
+			<includes>
+				<include>org.apache.hadoop:hadoop-core</include>
+				<include>commons-cli:commons-cli</include>
+				<include>commons-logging:commons-logging</include>
+			</includes>
+			<unpack>false</unpack>
+			<outputDirectory>.installer/hadoop-0.20.2/lib</outputDirectory>
+		</dependencySet>
+		<dependencySet>
+			<includes>
+				<include>org.apache.zookeeper:zookeeper</include>
+				<include>log4j:log4j</include>
+				<include>org.slf4j:slf4j-api</include>
+			</includes>
+			<unpack>false</unpack>
+			<outputDirectory>.installer/zookeeper/lib</outputDirectory>
+		</dependencySet>
+		<dependencySet>
+			<outputDirectory>asterix</outputDirectory>
+			<includes>
+				<include>asterix-server*</include>
+			</includes>
+			<useTransitiveDependencies>false</useTransitiveDependencies>
+		</dependencySet>
+		<dependencySet>
+			<outputDirectory>.installer/events</outputDirectory>
+			<includes>
+				<include>asterix-events*</include>
+			</includes>
+			<unpack>false</unpack>
+			<useTransitiveDependencies>false</useTransitiveDependencies>
+		</dependencySet>
+	</dependencySets>
 </assembly>
diff --git a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/BackupCommand.java b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/BackupCommand.java
index 55b6a2d..cc60614 100644
--- a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/BackupCommand.java
+++ b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/BackupCommand.java
@@ -39,12 +39,12 @@
     protected void execCommand() throws Exception {
         InstallerDriver.initConfig();
         String asterixInstanceName = ((BackupConfig) config).name;
-        AsterixInstance instance = AsterixEventServiceUtil.validateAsterixInstanceExists(asterixInstanceName, State.INACTIVE);
+        AsterixInstance instance = AsterixEventServiceUtil.validateAsterixInstanceExists(asterixInstanceName,
+                State.INACTIVE);
         List<BackupInfo> backupInfo = instance.getBackupInfo();
-        PatternCreator pc = new PatternCreator();
         Backup backupConf = AsterixEventService.getConfiguration().getBackup();
-        Patterns patterns = pc.getBackUpAsterixPattern(instance, backupConf);
-        InstallerUtil.getEventrixClient(instance.getCluster()).submit(patterns);
+        Patterns patterns = PatternCreator.INSTANCE.getBackUpAsterixPattern(instance, backupConf);
+        AsterixEventService.getAsterixEventServiceClient(instance.getCluster()).submit(patterns);
         int backupId = backupInfo.size();
         BackupInfo binfo = new BackupInfo(backupId, new Date(), backupConf);
         backupInfo.add(binfo);
diff --git a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/CreateCommand.java b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/CreateCommand.java
index fc4b391..ad3649a 100644
--- a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/CreateCommand.java
+++ b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/CreateCommand.java
@@ -26,6 +26,7 @@
 import edu.uci.ics.asterix.event.model.AsterixRuntimeState;
 import edu.uci.ics.asterix.event.schema.cluster.Cluster;
 import edu.uci.ics.asterix.event.schema.pattern.Patterns;
+import edu.uci.ics.asterix.event.service.AsterixEventService;
 import edu.uci.ics.asterix.event.service.AsterixEventServiceUtil;
 import edu.uci.ics.asterix.event.service.ServiceProvider;
 import edu.uci.ics.asterix.event.util.PatternCreator;
@@ -56,20 +57,20 @@
         AsterixEventServiceUtil.evaluateConflictWithOtherInstances(asterixInstance);
         AsterixEventServiceUtil.createAsterixZip(asterixInstance);
         AsterixEventServiceUtil.createClusterProperties(cluster, asterixConfiguration);
-        EventrixClient eventrixClient = InstallerUtil.getEventrixClient(cluster);
-        PatternCreator pc = new PatternCreator();
+        EventrixClient eventrixClient = AsterixEventService.getAsterixEventServiceClient(cluster);
 
-        Patterns asterixBinarytrasnferPattern = pc.getAsterixBinaryTransferPattern(asterixInstanceName, cluster);
+        Patterns asterixBinarytrasnferPattern = PatternCreator.INSTANCE.getAsterixBinaryTransferPattern(
+                asterixInstanceName, cluster);
         eventrixClient.submit(asterixBinarytrasnferPattern);
 
-        Patterns patterns = pc.getStartAsterixPattern(asterixInstanceName, cluster);
+        Patterns patterns = PatternCreator.INSTANCE.getStartAsterixPattern(asterixInstanceName, cluster);
         eventrixClient.submit(patterns);
 
         AsterixRuntimeState runtimeState = VerificationUtil.getAsterixRuntimeState(asterixInstance);
         VerificationUtil.updateInstanceWithRuntimeDescription(asterixInstance, runtimeState, true);
         ServiceProvider.INSTANCE.getLookupService().writeAsterixInstance(asterixInstance);
-        AsterixEventServiceUtil.deleteDirectory(InstallerDriver.getManagixHome() + File.separator + InstallerDriver.ASTERIX_DIR
-                + File.separator + asterixInstanceName);
+        AsterixEventServiceUtil.deleteDirectory(InstallerDriver.getManagixHome() + File.separator
+                + InstallerDriver.ASTERIX_DIR + File.separator + asterixInstanceName);
         LOGGER.info(asterixInstance.getDescription(false));
     }
 
diff --git a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/DeleteCommand.java b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/DeleteCommand.java
index 7fea585..d69a37e 100644
--- a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/DeleteCommand.java
+++ b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/DeleteCommand.java
@@ -19,11 +19,11 @@
 import edu.uci.ics.asterix.event.model.AsterixInstance;
 import edu.uci.ics.asterix.event.model.AsterixInstance.State;
 import edu.uci.ics.asterix.event.schema.pattern.Patterns;
+import edu.uci.ics.asterix.event.service.AsterixEventService;
 import edu.uci.ics.asterix.event.service.AsterixEventServiceUtil;
 import edu.uci.ics.asterix.event.service.ServiceProvider;
 import edu.uci.ics.asterix.event.util.PatternCreator;
 import edu.uci.ics.asterix.installer.driver.InstallerDriver;
-import edu.uci.ics.asterix.installer.driver.InstallerUtil;
 
 public class DeleteCommand extends AbstractCommand {
 
@@ -31,13 +31,13 @@
     protected void execCommand() throws Exception {
         InstallerDriver.initConfig();
         String asterixInstanceName = ((DeleteConfig) config).name;
-        AsterixInstance instance = AsterixEventServiceUtil.validateAsterixInstanceExists(asterixInstanceName, State.INACTIVE);
-        PatternCreator pc = new PatternCreator();
-        Patterns patterns = pc.createDeleteInstancePattern(instance);
-        InstallerUtil.getEventrixClient(instance.getCluster()).submit(patterns);
+        AsterixInstance instance = AsterixEventServiceUtil.validateAsterixInstanceExists(asterixInstanceName,
+                State.INACTIVE);
+        Patterns patterns = PatternCreator.INSTANCE.createDeleteInstancePattern(instance);
+        AsterixEventService.getAsterixEventServiceClient(instance.getCluster()).submit(patterns);
 
-        patterns = pc.createRemoveAsterixWorkingDirPattern(instance);
-        InstallerUtil.getEventrixClient(instance.getCluster()).submit(patterns);
+        patterns = PatternCreator.INSTANCE.createRemoveAsterixWorkingDirPattern(instance);
+        AsterixEventService.getAsterixEventServiceClient(instance.getCluster()).submit(patterns);
         ServiceProvider.INSTANCE.getLookupService().removeAsterixInstance(asterixInstanceName);
         LOGGER.info("Deleted Asterix instance: " + asterixInstanceName);
     }
diff --git a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/RestoreCommand.java b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/RestoreCommand.java
index c1a6d94..5e4a4b5 100644
--- a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/RestoreCommand.java
+++ b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/RestoreCommand.java
@@ -22,6 +22,7 @@
 import edu.uci.ics.asterix.event.model.AsterixInstance.State;
 import edu.uci.ics.asterix.event.model.BackupInfo;
 import edu.uci.ics.asterix.event.schema.pattern.Patterns;
+import edu.uci.ics.asterix.event.service.AsterixEventService;
 import edu.uci.ics.asterix.event.service.AsterixEventServiceUtil;
 import edu.uci.ics.asterix.event.util.PatternCreator;
 import edu.uci.ics.asterix.installer.driver.InstallerDriver;
@@ -33,7 +34,8 @@
     protected void execCommand() throws Exception {
         InstallerDriver.initConfig();
         String asterixInstanceName = ((RestoreConfig) config).name;
-        AsterixInstance instance = AsterixEventServiceUtil.validateAsterixInstanceExists(asterixInstanceName, State.INACTIVE);
+        AsterixInstance instance = AsterixEventServiceUtil.validateAsterixInstanceExists(asterixInstanceName,
+                State.INACTIVE);
         int backupId = ((RestoreConfig) config).backupId;
         List<BackupInfo> backupInfoList = instance.getBackupInfo();
         if (backupInfoList.size() <= backupId || backupId < 0) {
@@ -41,9 +43,8 @@
         }
 
         BackupInfo backupInfo = backupInfoList.get(backupId);
-        PatternCreator pc = new PatternCreator();
-        Patterns patterns = pc.getRestoreAsterixPattern(instance, backupInfo);
-        InstallerUtil.getEventrixClient(instance.getCluster()).submit(patterns);
+        Patterns patterns = PatternCreator.INSTANCE.getRestoreAsterixPattern(instance, backupInfo);
+        AsterixEventService.getAsterixEventServiceClient(instance.getCluster()).submit(patterns);
         LOGGER.info("Asterix instance: " + asterixInstanceName + " has been restored from backup");
     }
 
diff --git a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/StartCommand.java b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/StartCommand.java
index 826451e..daceb4b 100644
--- a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/StartCommand.java
+++ b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/StartCommand.java
@@ -24,11 +24,11 @@
 import edu.uci.ics.asterix.event.model.AsterixInstance.State;
 import edu.uci.ics.asterix.event.model.AsterixRuntimeState;
 import edu.uci.ics.asterix.event.schema.pattern.Patterns;
+import edu.uci.ics.asterix.event.service.AsterixEventService;
 import edu.uci.ics.asterix.event.service.AsterixEventServiceUtil;
 import edu.uci.ics.asterix.event.service.ServiceProvider;
 import edu.uci.ics.asterix.event.util.PatternCreator;
 import edu.uci.ics.asterix.installer.driver.InstallerDriver;
-import edu.uci.ics.asterix.installer.driver.InstallerUtil;
 
 public class StartCommand extends AbstractCommand {
 
@@ -36,18 +36,18 @@
     protected void execCommand() throws Exception {
         InstallerDriver.initConfig();
         String asterixInstanceName = ((StartConfig) config).name;
-        AsterixInstance instance = AsterixEventServiceUtil.validateAsterixInstanceExists(asterixInstanceName, State.INACTIVE);
+        AsterixInstance instance = AsterixEventServiceUtil.validateAsterixInstanceExists(asterixInstanceName,
+                State.INACTIVE);
         AsterixEventServiceUtil.createAsterixZip(instance);
-        PatternCreator pc = new PatternCreator();
-        EventrixClient client = InstallerUtil.getEventrixClient(instance.getCluster());
-        Patterns asterixBinaryTransferPattern = pc.getAsterixBinaryTransferPattern(asterixInstanceName,
-                instance.getCluster());
+        EventrixClient client = AsterixEventService.getAsterixEventServiceClient(instance.getCluster());
+        Patterns asterixBinaryTransferPattern = PatternCreator.INSTANCE.getAsterixBinaryTransferPattern(
+                asterixInstanceName, instance.getCluster());
         client.submit(asterixBinaryTransferPattern);
         AsterixEventServiceUtil.createClusterProperties(instance.getCluster(), instance.getAsterixConfiguration());
-        Patterns patterns = pc.getStartAsterixPattern(asterixInstanceName, instance.getCluster());
+        Patterns patterns = PatternCreator.INSTANCE.getStartAsterixPattern(asterixInstanceName, instance.getCluster());
         client.submit(patterns);
-        AsterixEventServiceUtil.deleteDirectory(InstallerDriver.getManagixHome() + File.separator + InstallerDriver.ASTERIX_DIR
-                + File.separator + asterixInstanceName);
+        AsterixEventServiceUtil.deleteDirectory(InstallerDriver.getManagixHome() + File.separator
+                + InstallerDriver.ASTERIX_DIR + File.separator + asterixInstanceName);
         AsterixRuntimeState runtimeState = VerificationUtil.getAsterixRuntimeState(instance);
         VerificationUtil.updateInstanceWithRuntimeDescription(instance, runtimeState, true);
         LOGGER.info(instance.getDescription(false));
diff --git a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/StopCommand.java b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/StopCommand.java
index efa0a87..a0b28bc 100644
--- a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/StopCommand.java
+++ b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/StopCommand.java
@@ -26,11 +26,11 @@
 import edu.uci.ics.asterix.event.schema.cluster.Node;
 import edu.uci.ics.asterix.event.schema.pattern.Pattern;
 import edu.uci.ics.asterix.event.schema.pattern.Patterns;
+import edu.uci.ics.asterix.event.service.AsterixEventService;
 import edu.uci.ics.asterix.event.service.AsterixEventServiceUtil;
 import edu.uci.ics.asterix.event.service.ServiceProvider;
 import edu.uci.ics.asterix.event.util.PatternCreator;
 import edu.uci.ics.asterix.installer.driver.InstallerDriver;
-import edu.uci.ics.asterix.installer.driver.InstallerUtil;
 
 public class StopCommand extends AbstractCommand {
 
@@ -40,16 +40,17 @@
         String asterixInstanceName = ((StopConfig) config).name;
         AsterixInstance asterixInstance = AsterixEventServiceUtil.validateAsterixInstanceExists(asterixInstanceName,
                 State.ACTIVE, State.UNUSABLE);
-        PatternCreator pc = new PatternCreator();
-        EventrixClient client = InstallerUtil.getEventrixClient(asterixInstance.getCluster());
+        EventrixClient client = AsterixEventService.getAsterixEventServiceClient(asterixInstance.getCluster());
 
         List<Pattern> ncKillPatterns = new ArrayList<Pattern>();
         for (Node node : asterixInstance.getCluster().getNode()) {
-            ncKillPatterns.add(pc.createNCStopPattern(node.getId(), asterixInstanceName + "_" + node.getId()));
+            ncKillPatterns.add(PatternCreator.INSTANCE.createNCStopPattern(node.getId(), asterixInstanceName + "_"
+                    + node.getId()));
         }
 
         List<Pattern> ccKillPatterns = new ArrayList<Pattern>();
-        ccKillPatterns.add(pc.createCCStopPattern(asterixInstance.getCluster().getMasterNode().getId()));
+        ccKillPatterns.add(PatternCreator.INSTANCE.createCCStopPattern(asterixInstance.getCluster().getMasterNode()
+                .getId()));
 
         try {
             client.submit(new Patterns(ncKillPatterns));
diff --git a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/driver/InstallerUtil.java b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/driver/InstallerUtil.java
index d0da811..8014d96 100644
--- a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/driver/InstallerUtil.java
+++ b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/driver/InstallerUtil.java
@@ -9,10 +9,6 @@
 import javax.xml.bind.Unmarshaller;
 
 import edu.uci.ics.asterix.common.configuration.AsterixConfiguration;
-import edu.uci.ics.asterix.event.error.OutputHandler;
-import edu.uci.ics.asterix.event.management.EventrixClient;
-import edu.uci.ics.asterix.event.schema.cluster.Cluster;
-import edu.uci.ics.asterix.event.service.AsterixEventService;
 
 public class InstallerUtil {
 
@@ -29,10 +25,6 @@
         AsterixConfiguration asterixConfiguration = (AsterixConfiguration) unmarshaller.unmarshal(file);
         return asterixConfiguration;
     }
-
-    public static EventrixClient getEventrixClient(Cluster cluster) throws Exception {
-        return new EventrixClient(AsterixEventService.getEventHome(), cluster, false,
-                OutputHandler.INSTANCE);
-    }
+   
 
 }