Some Sonar and CLM issues resolved.

- Update some library versions fro CLM
- Some code fixes for Sonar

Change-Id: I270955be6337400f1d30556cfa854712f102916e
Issue-ID: MUSIC-40
Signed-off-by: Thomas Nelson Jr (arthurdent3) tn1381@att.com <tn1381@att.com>

5 files changed, 455 insertions, 455 deletions

diff --git a/src/main/java/org/onap/music/datastore/jsonobjects/JsonInsert.java b/src/main/java/org/onap/music/datastore/jsonobjects/JsonInsert.java
index 22c0104b..b7a9ec23 100644
--- a/src/main/java/org/onap/music/datastore/jsonobjects/JsonInsert.java
+++ b/src/main/java/org/onap/music/datastore/jsonobjects/JsonInsert.java
@@ -35,7 +35,8 @@ public class JsonInsert implements Serializable {
     private String keyspaceName;
     private String tableName;
     private Map<String, Object> values;
-    String ttl, timestamp;
+    private String ttl;
+    private String timestamp;
     private Map<String, Object> row_specification;
     private Map<String, String> consistencyInfo;
 
@@ -109,7 +110,6 @@ public class JsonInsert implements Serializable {
             out = new ObjectOutputStream(bos);
             out.writeObject(this);
         } catch (IOException e) {
-            // TODO Auto-generated catch block
             e.printStackTrace();
         }
         return bos.toByteArray();
diff --git a/src/main/java/org/onap/music/lockingservice/MusicLockingService.java b/src/main/java/org/onap/music/lockingservice/MusicLockingService.java
index 9b21f596..e8a57dbf 100644
--- a/src/main/java/org/onap/music/lockingservice/MusicLockingService.java
+++ b/src/main/java/org/onap/music/lockingservice/MusicLockingService.java
@@ -35,7 +35,7 @@ import org.onap.music.main.MusicUtil;
 
 public class MusicLockingService implements Watcher {
 
-
+    
     private static final int SESSION_TIMEOUT = 180000;
     ZkStatelessLockService zkLockHandle = null;
     private CountDownLatch connectedSignal = new CountDownLatch(1);
@@ -71,7 +71,7 @@ public class MusicLockingService implements Watcher {
     }
 
     public void createLockaIfItDoesNotExist(String lockName) {
-        if (zkLockHandle.checkIfLockExists(lockName) == false) {
+        if (!zkLockHandle.checkIfLockExists(lockName)) {
             String lockHolder = null;
             MusicLockState ml = new MusicLockState(MusicLockState.LockStatus.UNLOCKED, lockHolder);
             byte[] data = ml.serialize();
diff --git a/src/main/java/org/onap/music/lockingservice/ProtocolSupport.java b/src/main/java/org/onap/music/lockingservice/ProtocolSupport.java
index df4d6ad6..ec612bcd 100644
--- a/src/main/java/org/onap/music/lockingservice/ProtocolSupport.java
+++ b/src/main/java/org/onap/music/lockingservice/ProtocolSupport.java
@@ -21,8 +21,6 @@
  */
 package org.onap.music.lockingservice;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.apache.zookeeper.CreateMode;
 import org.apache.zookeeper.KeeperException;
 import org.apache.zookeeper.ZooDefs;
@@ -49,10 +47,6 @@ class ProtocolSupport {
     private int retryCount = 10;
     private List<ACL> acl = ZooDefs.Ids.OPEN_ACL_UNSAFE;
 
-    // public ProtocolSupport(ZooKeeper zookeeper) {
-    // this.zookeeper = zookeeper;
-    // }
-
     /**
      * Closes this strategy and releases any ZooKeeper resources; but keeps the ZooKeeper instance
      * open
@@ -111,7 +105,9 @@ class ProtocolSupport {
     /**
      * Allow derived classes to perform some custom closing operations to release resources
      */
-    protected void doClose() {}
+    protected void doClose() {
+        throw new UnsupportedOperationException();
+    }
 
 
     /**
@@ -173,9 +169,7 @@ class ProtocolSupport {
                     return true;
                 }
             });
-        } catch (KeeperException e) {
-            LOG.error(EELFLoggerDelegate.errorLogger,"Caught: " + e, e);
-        } catch (InterruptedException e) {
+        } catch (InterruptedException|KeeperException e) {
             LOG.error(EELFLoggerDelegate.errorLogger,"Caught: " + e, e);
         }
     }
@@ -200,6 +194,7 @@ class ProtocolSupport {
                 Thread.sleep(attemptCount * retryDelay);
             } catch (InterruptedException e) {
                 LOG.error(EELFLoggerDelegate.errorLogger,"Failed to sleep: " + e, e);
+                Thread.currentThread().interrupt();
             }
         }
     }
diff --git a/src/main/java/org/onap/music/main/MusicCore.java b/src/main/java/org/onap/music/main/MusicCore.java
index 04aa60ce..0306560a 100644
--- a/src/main/java/org/onap/music/main/MusicCore.java
+++ b/src/main/java/org/onap/music/main/MusicCore.java
@@ -31,7 +31,6 @@ import org.onap.music.datastore.MusicDataStore;
 import org.onap.music.datastore.PreparedQueryObject;
 import org.onap.music.datastore.jsonobjects.JsonKeySpace;
 import org.onap.music.eelf.logging.EELFLoggerDelegate;
-// import org.onap.music.eelf.logging.EELFLoggerDelegate;
 import org.onap.music.exceptions.MusicLockingException;
 import org.onap.music.exceptions.MusicQueryException;
 import org.onap.music.exceptions.MusicServiceException;
@@ -209,6 +208,10 @@ public class MusicCore {
              */
             if (acquireLock(key, lockId).getResult() == ResultType.SUCCESS) {
                 mls = getMusicLockState(key);// get latest state
+                if ( mls == null ) {
+                    logger.info(EELFLoggerDelegate.applicationLogger,"Music Lock State is null");
+                    return new ReturnType(ResultType.FAILURE, "Could not acquire lock, Lock State is null");                    
+                }
                 if (mls.getLeaseStartTime() == -1) {// set it again only if it is not set already
                     mls.setLeaseStartTime(System.currentTimeMillis());
                     mls.setLeasePeriod(leasePeriod);
@@ -243,7 +246,7 @@ public class MusicCore {
         } catch (MusicLockingException e2) {
             logger.error(EELFLoggerDelegate.errorLogger,"Failed to aquireLock lockId " + lockId + " " + e2);
         }
-        if (result == false) {
+        if (!result) {
             logger.info(EELFLoggerDelegate.applicationLogger,"In acquire lock: Not your turn, someone else has the lock");
             try {
 				if (!getLockingServiceHandle().lockIdExists(lockId)) {
@@ -260,7 +263,7 @@ public class MusicCore {
 
         // this is for backward compatibility where locks could also be acquired on just
         // keyspaces or tables.
-        if (isTableOrKeySpaceLock(key) == true) {
+        if (isTableOrKeySpaceLock(key)) {
             logger.info(EELFLoggerDelegate.applicationLogger,"In acquire lock: A table or keyspace lock so no need to perform sync...so returning true");
             return new ReturnType(ResultType.SUCCESS, "A table or keyspace lock so no need to perform sync...so returning true");
         }
@@ -357,8 +360,6 @@ public class MusicCore {
         selectQuery.appendQueryString("SELECT *  FROM " + keyspaceName + "." + tableName + " WHERE "
                         + primaryKeyName + "= ?" + ";");
         selectQuery.addValue(cqlFormattedPrimaryKeyValue);
-        // String selectQuery = "SELECT * FROM "+keyspaceName+"."+tableName+ " WHERE
-        // "+primaryKeyName+"="+cqlFormattedPrimaryKeyValue+";";
         ResultSet results = null;
         try {
             results = getDSHandle().executeCriticalGet(selectQuery);
@@ -367,7 +368,6 @@ public class MusicCore {
             ColumnDefinitions colInfo = row.getColumnDefinitions();
             int totalColumns = colInfo.size();
             int counter = 1;
-            // String fieldValueString="";
             StringBuilder fieldValueString = new StringBuilder("");
             for (Definition definition : colInfo) {
                 String colName = definition.getName();
@@ -376,7 +376,6 @@ public class MusicCore {
                 DataType colType = definition.getType();
                 Object valueObj = getDSHandle().getColValue(row, colName, colType);
                 Object valueString = MusicUtil.convertToActualDataType(colType, valueObj);
-                // fieldValueString = fieldValueString+ colName+"="+valueString;
                 fieldValueString.append(colName + " = ?");
                 updateQuery.addValue(valueString);
                 if (counter != (totalColumns - 1))
@@ -386,8 +385,6 @@ public class MusicCore {
             updateQuery.appendQueryString("UPDATE " + keyspaceName + "." + tableName + " SET "
                             + fieldValueString + " WHERE " + primaryKeyName + "= ? " + ";");
             updateQuery.addValue(cqlFormattedPrimaryKeyValue);
-            // String updateQuery = "UPDATE "+keyspaceName+"."+tableName+" SET "+fieldValueString+"
-            // WHERE "+primaryKeyName+"="+cqlFormattedPrimaryKeyValue+";";
 
             getDSHandle().executePut(updateQuery, "critical");
         } catch (MusicServiceException | MusicQueryException e) {
diff --git a/src/main/java/org/onap/music/main/MusicUtil.java b/src/main/java/org/onap/music/main/MusicUtil.java
index 3c0d4c9d..5bc9f94f 100755
--- a/src/main/java/org/onap/music/main/MusicUtil.java
+++ b/src/main/java/org/onap/music/main/MusicUtil.java
@@ -45,436 +45,444 @@ import com.datastax.driver.core.DataType;
  * 
  */
 public class MusicUtil {
-	private static EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(MusicUtil.class);
-
-	private static int myId = 0;
-	private static ArrayList<String> allIds = new ArrayList<String>();
-	private static String publicIp = "";
-	private static ArrayList<String> allPublicIps = new ArrayList<String>();
-	private static String myZkHost = "localhost";
-	private static String myCassaHost = "localhost";
-	private static String defaultMusicIp = "localhost";
-	private static boolean debug = true;
-	private static String version = "2.3.0";
-	private static String musicRestIp = "localhost";
-	private static String musicPropertiesFilePath = "/opt/app/music/etc/music.properties";
-	private static long defaultLockLeasePeriod = 6000;
-	private static final String[] propKeys = new String[] { "zookeeper.host", "cassandra.host", "music.ip", "debug",
-			"version", "music.rest.ip", "music.properties", "lock.lease.period", "id", "all.ids", "public.ip",
-			"all.pubic.ips", "cassandra.user", "cassandra.password", "aaf.endpoint.url" };
-
-	public static final String ATOMIC = "atomic";
-	public static final String EVENTUAL = "eventual";
-	public static final String CRITICAL = "critical";
-	public static final String ATOMICDELETELOCK = "atomic_delete_lock";
-	
-	public static final String DEFAULTKEYSPACENAME = "TBD";
-	private static String cassName = "cassandra";
-	private static String cassPwd;
-	private static String aafEndpointUrl = null;
-
-	/**
-	 * @return the cassName
-	 */
-	public static String getCassName() {
-		return cassName;
-	}
-
-	/**
-	 * @return the cassPwd
-	 */
-	public static String getCassPwd() {
-		return cassPwd;
-	}
-
-	/**
-	 * @return the aafEndpointUrl
-	 */
-	public static String getAafEndpointUrl() {
-		return aafEndpointUrl;
-	}
-
-	/**
-	 * 
-	 * @param aafEndpointUrl
-	 */
-	public static void setAafEndpointUrl(String aafEndpointUrl) {
-		MusicUtil.aafEndpointUrl = aafEndpointUrl;
-	}
-
-	/**
-	 * 
-	 * @return
-	 */
-	public static int getMyId() {
-		return myId;
-	}
-
-	/**
-	 * 
-	 * @param myId
-	 */
-	public static void setMyId(int myId) {
-		MusicUtil.myId = myId;
-	}
-
-	/**
-	 * 
-	 * @return
-	 */
-	public static ArrayList<String> getAllIds() {
-		return allIds;
-	}
-
-	/**
-	 * 
-	 * @param allIds
-	 */
-	public static void setAllIds(List<String> allIds) {
-		MusicUtil.allIds = (ArrayList<String>) allIds;
-	}
-
-	/**
-	 * 
-	 * @return
-	 */
-	public static String getPublicIp() {
-		return publicIp;
-	}
-
-	/**
-	 * 
-	 * @param publicIp
-	 */
-	public static void setPublicIp(String publicIp) {
-		MusicUtil.publicIp = publicIp;
-	}
-
-	/**
-	 * 
-	 * @return
-	 */
-	public static ArrayList<String> getAllPublicIps() {
-		return allPublicIps;
-	}
-
-	/**
-	 * 
-	 * @param allPublicIps
-	 */
-	public static void setAllPublicIps(List<String> allPublicIps) {
-		MusicUtil.allPublicIps = (ArrayList<String>) allPublicIps;
-	}
-
-	/**
-	 * Returns An array of property names that should be in the Properties
-	 * files.
-	 * 
-	 * @return
-	 */
-	public static String[] getPropkeys() {
-		return propKeys;
-	}
-
-	/**
-	 * Get MusicRestIp - default = localhost property file value - music.rest.ip
-	 * 
-	 * @return
-	 */
-	public static String getMusicRestIp() {
-		return musicRestIp;
-	}
-
-	/**
-	 * Set MusicRestIp
-	 * 
-	 * @param musicRestIp
-	 */
-	public static void setMusicRestIp(String musicRestIp) {
-		MusicUtil.musicRestIp = musicRestIp;
-	}
-
-	/**
-	 * Get MusicPropertiesFilePath - Default = /opt/music/music.properties
-	 * property file value - music.properties
-	 * 
-	 * @return
-	 */
-	public static String getMusicPropertiesFilePath() {
-		return musicPropertiesFilePath;
-	}
-
-	/**
-	 * Set MusicPropertiesFilePath
-	 * 
-	 * @param musicPropertiesFilePath
-	 */
-	public static void setMusicPropertiesFilePath(String musicPropertiesFilePath) {
-		MusicUtil.musicPropertiesFilePath = musicPropertiesFilePath;
-	}
-
-	/**
-	 * Get DefaultLockLeasePeriod - Default = 6000 property file value -
-	 * lock.lease.period
-	 * 
-	 * @return
-	 */
-	public static long getDefaultLockLeasePeriod() {
-		return defaultLockLeasePeriod;
-	}
-
-	/**
-	 * Set DefaultLockLeasePeriod
-	 * 
-	 * @param defaultLockLeasePeriod
-	 */
-	public static void setDefaultLockLeasePeriod(long defaultLockLeasePeriod) {
-		MusicUtil.defaultLockLeasePeriod = defaultLockLeasePeriod;
-	}
-
-	/**
-	 * Set Debug
-	 * 
-	 * @param debug
-	 */
-	public static void setDebug(boolean debug) {
-		MusicUtil.debug = debug;
-	}
-
-	/**
-	 * Is Debug - Default = true property file value - debug
-	 * 
-	 * @return
-	 */
-	public static boolean isDebug() {
-		return debug;
-	}
-
-	/**
-	 * Set Version
-	 * 
-	 * @param version
-	 */
-	public static void setVersion(String version) {
-		MusicUtil.version = version;
-	}
-
-	/**
-	 * Return the version property file value - version
-	 * 
-	 * @return
-	 */
-	public static String getVersion() {
-		return version;
-	}
-
-	/**
-	 * Get MyZkHost - Zookeeper Hostname - Default = localhost property file
-	 * value - zookeeper.host
-	 * 
-	 * @return
-	 */
-	public static String getMyZkHost() {
-		return myZkHost;
-	}
-
-	/**
-	 * Set MyZkHost - Zookeeper Hostname
-	 * 
-	 * @param myZkHost
-	 */
-	public static void setMyZkHost(String myZkHost) {
-		MusicUtil.myZkHost = myZkHost;
-	}
-
-	/**
-	 * Get MyCassHost - Cassandra Hostname - Default = localhost property file
-	 * value - cassandra.host
-	 * 
-	 * @return
-	 */
-	public static String getMyCassaHost() {
-		return myCassaHost;
-	}
-
-	/**
-	 * Set MyCassHost - Cassandra Hostname
-	 * 
-	 * @param myCassaHost
-	 */
-	public static void setMyCassaHost(String myCassaHost) {
-		MusicUtil.myCassaHost = myCassaHost;
-	}
-
-	/**
-	 * Get DefaultMusicIp - Default = localhost property file value - music.ip
-	 * 
-	 * @return
-	 */
-	public static String getDefaultMusicIp() {
-		return defaultMusicIp;
-	}
-
-	/**
-	 * Set DefaultMusicIp
-	 * 
-	 * @param defaultMusicIp
-	 */
-	public static void setDefaultMusicIp(String defaultMusicIp) {
-		MusicUtil.defaultMusicIp = defaultMusicIp;
-	}
-
-	/**
-	 * 
-	 * @return
-	 */
-	public static String getTestType() {
-		String testType = "";
-		try {
-			Scanner fileScanner = new Scanner(new File(""));
-			testType = fileScanner.next();// ignore the my id line
-			String batchSize = fileScanner.next();// ignore the my public ip
-													// line
-			fileScanner.close();
-		} catch (FileNotFoundException e) {
-			logger.error(EELFLoggerDelegate.errorLogger, e.getMessage());
-		}
-		return testType;
-
-	}
-
-	/**
-	 * 
-	 * @param time
-	 */
-	public static void sleep(long time) {
-		try {
-			Thread.sleep(time);
-		} catch (InterruptedException e) {
-			logger.error(EELFLoggerDelegate.errorLogger, e.getMessage());
-		}
-	}
-
-	/**
-	 * Utility function to check if the query object is valid.
-	 * 
-	 * @param withparams
-	 * @param queryObject
-	 * @return
-	 */
-	public static boolean isValidQueryObject(boolean withparams, PreparedQueryObject queryObject) {
-		if (withparams) {
-			int noOfValues = queryObject.getValues().size();
-			int noOfParams = 0;
-			char[] temp = queryObject.getQuery().toCharArray();
-			for (int i = 0; i < temp.length; i++) {
-				if (temp[i] == '?')
-					noOfParams++;
-			}
-			return (noOfValues == noOfParams);
-		} else {
-			return !queryObject.getQuery().isEmpty();
-		}
-
-	}
-
-	public static void setCassName(String cassName) {
-		MusicUtil.cassName = cassName;
-	}
-
-	public static void setCassPwd(String cassPwd) {
-		MusicUtil.cassPwd = cassPwd;
-	}
-
-	public static String convertToCQLDataType(DataType type, Object valueObj) {
-
-		String value = "";
-		switch (type.getName()) {
-		case UUID:
-			value = valueObj + "";
-			break;
-		case TEXT:
-		case VARCHAR:
-			String valueString = valueObj + "";
-			valueString = valueString.replace("'", "''");
-			value = "'" + valueString + "'";
-			break;
-		case MAP: {
-			Map<String, Object> otMap = (Map<String, Object>) valueObj;
-			value = "{" + jsonMaptoSqlString(otMap, ",") + "}";
-			break;
-		}
-		default:
-			value = valueObj + "";
-			break;
-		}
-		return value;
-	}
-
-	/**
-	 * 
-	 * @param colType
-	 * @param valueObj
-	 * @return
-	 * @throws Exception
-	 */
-	public static Object convertToActualDataType(DataType colType, Object valueObj)  throws Exception{
-		String valueObjString = valueObj + "";
-		switch (colType.getName()) {
-		case UUID:
-			return UUID.fromString(valueObjString);
-		case VARINT:
-			return BigInteger.valueOf(Long.parseLong(valueObjString));
-		case BIGINT:
-			return Long.parseLong(valueObjString);
-		case INT:
-			return Integer.parseInt(valueObjString);
-		case FLOAT:
-			return Float.parseFloat(valueObjString);
-		case DOUBLE:
-			return Double.parseDouble(valueObjString);
-		case BOOLEAN:
-			return Boolean.parseBoolean(valueObjString);
-		case MAP:
-			return (Map<String, Object>) valueObj;
-		default:
-			return valueObjString;
-		}
-	}
-
-	/**
-	 *
-	 * Utility function to parse json map into sql like string
-	 * 
-	 * @param jMap
-	 * @param lineDelimiter
-	 * @return
-	 */
-
-	public static String jsonMaptoSqlString(Map<String, Object> jMap, String lineDelimiter) {
-		StringBuilder sqlString = new StringBuilder();
-		int counter = 0;
-		for (Map.Entry<String, Object> entry : jMap.entrySet()) {
-			Object ot = entry.getValue();
-			String value = ot + "";
-			if (ot instanceof String) {
-				value = "'" + value.replace("'", "''") + "'";
-			}
-			sqlString.append("'" + entry.getKey() + "':" + value);
-			if (counter != jMap.size() - 1)
-				sqlString.append(lineDelimiter);
-			counter = counter + 1;
-		}
-		return sqlString.toString();
-	}
-
-	public static Map<String, HashMap<String, Object>> setErrorResponse(MusicServiceException ex) {
-		Map<String, HashMap<String, Object>> results = new HashMap<>();
-		HashMap<String, Object> tempMap = new HashMap<>();
-		Map<String, Object> result = new HashMap<>();
-		result.put("error-description", ex.getMessage());
-		tempMap.put("error", result);
-		results.put("result", tempMap);
-		return results;
-	}
+    private static EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(MusicUtil.class);
+    
+    public static final String ATOMIC = "atomic";
+    public static final String EVENTUAL = "eventual";
+    public static final String CRITICAL = "critical";
+    public static final String ATOMICDELETELOCK = "atomic_delete_lock";
+    
+    public static final String DEFAULTKEYSPACENAME = "TBD";
+
+    
+    private static int myId = 0;
+    private static ArrayList<String> allIds = new ArrayList<>();
+    private static String publicIp = "";
+    private static ArrayList<String> allPublicIps = new ArrayList<>();
+    private static String myZkHost = "localhost";
+    private static String myCassaHost = "localhost";
+    private static String defaultMusicIp = "localhost";
+    private static boolean debug = true;
+    private static String version = "2.3.0";
+    private static String musicRestIp = "localhost";
+    private static String musicPropertiesFilePath = "/opt/app/music/etc/music.properties";
+    private static long defaultLockLeasePeriod = 6000;
+    private static final String[] propKeys = new String[] { "zookeeper.host", "cassandra.host", "music.ip", "debug",
+            "version", "music.rest.ip", "music.properties", "lock.lease.period", "id", "all.ids", "public.ip",
+            "all.pubic.ips", "cassandra.user", "cassandra.password", "aaf.endpoint.url" };
+
+    private static String cassName = "cassandra";
+    private static String cassPwd;
+    private static String aafEndpointUrl = null;
+
+    private MusicUtil() {
+        throw new IllegalStateException("Utility Class");
+    }
+    
+    
+    /**
+     * @return the cassName
+     */
+    public static String getCassName() {
+        return cassName;
+    }
+
+    /**
+     * @return the cassPwd
+     */
+    public static String getCassPwd() {
+        return cassPwd;
+    }
+
+    /**
+     * @return the aafEndpointUrl
+     */
+    public static String getAafEndpointUrl() {
+        return aafEndpointUrl;
+    }
+
+    /**
+     * 
+     * @param aafEndpointUrl
+     */
+    public static void setAafEndpointUrl(String aafEndpointUrl) {
+        MusicUtil.aafEndpointUrl = aafEndpointUrl;
+    }
+
+    /**
+     * 
+     * @return
+     */
+    public static int getMyId() {
+        return myId;
+    }
+
+    /**
+     * 
+     * @param myId
+     */
+    public static void setMyId(int myId) {
+        MusicUtil.myId = myId;
+    }
+
+    /**
+     * 
+     * @return
+     */
+    public static List<String> getAllIds() {
+        return allIds;
+    }
+
+    /**
+     * 
+     * @param allIds
+     */
+    public static void setAllIds(List<String> allIds) {
+        MusicUtil.allIds = (ArrayList<String>) allIds;
+    }
+
+    /**
+     * 
+     * @return
+     */
+    public static String getPublicIp() {
+        return publicIp;
+    }
+
+    /**
+     * 
+     * @param publicIp
+     */
+    public static void setPublicIp(String publicIp) {
+        MusicUtil.publicIp = publicIp;
+    }
+
+    /**
+     * 
+     * @return
+     */
+    public static List<String> getAllPublicIps() {
+        return allPublicIps;
+    }
+
+    /**
+     * 
+     * @param allPublicIps
+     */
+    public static void setAllPublicIps(List<String> allPublicIps) {
+        MusicUtil.allPublicIps = (ArrayList<String>) allPublicIps;
+    }
+
+    /**
+     * Returns An array of property names that should be in the Properties
+     * files.
+     * 
+     * @return
+     */
+    public static String[] getPropkeys() {
+        return propKeys;
+    }
+
+    /**
+     * Get MusicRestIp - default = localhost property file value - music.rest.ip
+     * 
+     * @return
+     */
+    public static String getMusicRestIp() {
+        return musicRestIp;
+    }
+
+    /**
+     * Set MusicRestIp
+     * 
+     * @param musicRestIp
+     */
+    public static void setMusicRestIp(String musicRestIp) {
+        MusicUtil.musicRestIp = musicRestIp;
+    }
+
+    /**
+     * Get MusicPropertiesFilePath - Default = /opt/music/music.properties
+     * property file value - music.properties
+     * 
+     * @return
+     */
+    public static String getMusicPropertiesFilePath() {
+        return musicPropertiesFilePath;
+    }
+
+    /**
+     * Set MusicPropertiesFilePath
+     * 
+     * @param musicPropertiesFilePath
+     */
+    public static void setMusicPropertiesFilePath(String musicPropertiesFilePath) {
+        MusicUtil.musicPropertiesFilePath = musicPropertiesFilePath;
+    }
+
+    /**
+     * Get DefaultLockLeasePeriod - Default = 6000 property file value -
+     * lock.lease.period
+     * 
+     * @return
+     */
+    public static long getDefaultLockLeasePeriod() {
+        return defaultLockLeasePeriod;
+    }
+
+    /**
+     * Set DefaultLockLeasePeriod
+     * 
+     * @param defaultLockLeasePeriod
+     */
+    public static void setDefaultLockLeasePeriod(long defaultLockLeasePeriod) {
+        MusicUtil.defaultLockLeasePeriod = defaultLockLeasePeriod;
+    }
+
+    /**
+     * Set Debug
+     * 
+     * @param debug
+     */
+    public static void setDebug(boolean debug) {
+        MusicUtil.debug = debug;
+    }
+
+    /**
+     * Is Debug - Default = true property file value - debug
+     * 
+     * @return
+     */
+    public static boolean isDebug() {
+        return debug;
+    }
+
+    /**
+     * Set Version
+     * 
+     * @param version
+     */
+    public static void setVersion(String version) {
+        MusicUtil.version = version;
+    }
+
+    /**
+     * Return the version property file value - version
+     * 
+     * @return
+     */
+    public static String getVersion() {
+        return version;
+    }
+
+    /**
+     * Get MyZkHost - Zookeeper Hostname - Default = localhost property file
+     * value - zookeeper.host
+     * 
+     * @return
+     */
+    public static String getMyZkHost() {
+        return myZkHost;
+    }
+
+    /**
+     * Set MyZkHost - Zookeeper Hostname
+     * 
+     * @param myZkHost
+     */
+    public static void setMyZkHost(String myZkHost) {
+        MusicUtil.myZkHost = myZkHost;
+    }
+
+    /**
+     * Get MyCassHost - Cassandra Hostname - Default = localhost property file
+     * value - cassandra.host
+     * 
+     * @return
+     */
+    public static String getMyCassaHost() {
+        return myCassaHost;
+    }
+
+    /**
+     * Set MyCassHost - Cassandra Hostname
+     * 
+     * @param myCassaHost
+     */
+    public static void setMyCassaHost(String myCassaHost) {
+        MusicUtil.myCassaHost = myCassaHost;
+    }
+
+    /**
+     * Get DefaultMusicIp - Default = localhost property file value - music.ip
+     * 
+     * @return
+     */
+    public static String getDefaultMusicIp() {
+        return defaultMusicIp;
+    }
+
+    /**
+     * Set DefaultMusicIp
+     * 
+     * @param defaultMusicIp
+     */
+    public static void setDefaultMusicIp(String defaultMusicIp) {
+        MusicUtil.defaultMusicIp = defaultMusicIp;
+    }
+
+    /**
+     * 
+     * @return
+     */
+    public static String getTestType() {
+        String testType = "";
+        try {
+            Scanner fileScanner = new Scanner(new File(""));
+            testType = fileScanner.next();// ignore the my id line
+            String batchSize = fileScanner.next();// ignore the my public ip
+                                                    // line
+            fileScanner.close();
+        } catch (FileNotFoundException e) {
+            logger.error(EELFLoggerDelegate.errorLogger, e.getMessage());
+        }
+        return testType;
+
+    }
+
+    /**
+     * 
+     * @param time
+     */
+    public static void sleep(long time) {
+        try {
+            Thread.sleep(time);
+        } catch (InterruptedException e) {
+            logger.error(EELFLoggerDelegate.errorLogger, e.getMessage());
+            Thread.currentThread().interrupt();
+        }
+    }
+
+    /**
+     * Utility function to check if the query object is valid.
+     * 
+     * @param withparams
+     * @param queryObject
+     * @return
+     */
+    public static boolean isValidQueryObject(boolean withparams, PreparedQueryObject queryObject) {
+        if (withparams) {
+            int noOfValues = queryObject.getValues().size();
+            int noOfParams = 0;
+            char[] temp = queryObject.getQuery().toCharArray();
+            for (int i = 0; i < temp.length; i++) {
+                if (temp[i] == '?')
+                    noOfParams++;
+            }
+            return (noOfValues == noOfParams);
+        } else {
+            return !queryObject.getQuery().isEmpty();
+        }
+
+    }
+
+    public static void setCassName(String cassName) {
+        MusicUtil.cassName = cassName;
+    }
+
+    public static void setCassPwd(String cassPwd) {
+        MusicUtil.cassPwd = cassPwd;
+    }
+
+    public static String convertToCQLDataType(DataType type, Object valueObj) {
+
+        String value = "";
+        switch (type.getName()) {
+        case UUID:
+            value = valueObj + "";
+            break;
+        case TEXT:
+        case VARCHAR:
+            String valueString = valueObj + "";
+            valueString = valueString.replace("'", "''");
+            value = "'" + valueString + "'";
+            break;
+        case MAP: {
+            Map<String, Object> otMap = (Map<String, Object>) valueObj;
+            value = "{" + jsonMaptoSqlString(otMap, ",") + "}";
+            break;
+        }
+        default:
+            value = valueObj + "";
+            break;
+        }
+        return value;
+    }
+
+    /**
+     * 
+     * @param colType
+     * @param valueObj
+     * @return
+     * @throws Exception
+     */
+    public static Object convertToActualDataType(DataType colType, Object valueObj)  throws Exception{
+        String valueObjString = valueObj + "";
+        switch (colType.getName()) {
+        case UUID:
+            return UUID.fromString(valueObjString);
+        case VARINT:
+            return BigInteger.valueOf(Long.parseLong(valueObjString));
+        case BIGINT:
+            return Long.parseLong(valueObjString);
+        case INT:
+            return Integer.parseInt(valueObjString);
+        case FLOAT:
+            return Float.parseFloat(valueObjString);
+        case DOUBLE:
+            return Double.parseDouble(valueObjString);
+        case BOOLEAN:
+            return Boolean.parseBoolean(valueObjString);
+        case MAP:
+            return (Map<String, Object>) valueObj;
+        default:
+            return valueObjString;
+        }
+    }
+
+    /**
+     *
+     * Utility function to parse json map into sql like string
+     * 
+     * @param jMap
+     * @param lineDelimiter
+     * @return
+     */
+
+    public static String jsonMaptoSqlString(Map<String, Object> jMap, String lineDelimiter) {
+        StringBuilder sqlString = new StringBuilder();
+        int counter = 0;
+        for (Map.Entry<String, Object> entry : jMap.entrySet()) {
+            Object ot = entry.getValue();
+            String value = ot + "";
+            if (ot instanceof String) {
+                value = "'" + value.replace("'", "''") + "'";
+            }
+            sqlString.append("'" + entry.getKey() + "':" + value);
+            if (counter != jMap.size() - 1)
+                sqlString.append(lineDelimiter);
+            counter = counter + 1;
+        }
+        return sqlString.toString();
+    }
+
+    public static Map<String, HashMap<String, Object>> setErrorResponse(MusicServiceException ex) {
+        Map<String, HashMap<String, Object>> results = new HashMap<>();
+        HashMap<String, Object> tempMap = new HashMap<>();
+        Map<String, Object> result = new HashMap<>();
+        result.put("error-description", ex.getMessage());
+        tempMap.put("error", result);
+        results.put("result", tempMap);
+        return results;
+    }
 }