+
+ @SuppressWarnings("unused")
+ public static String buildVersion(String major, String minor, String patch) {
+ if (minor != null) {
+ major += "." + minor;
+ if (patch != null) {
+ major += "." + patch;
+ }
+ }
+ return major;
+ }
+
+ /**
+ * Currently this will build a header with X-latestVersion, X-minorVersion and X-pathcVersion
+ * X-latestVerstion will be equal to the latest full version.
+ * X-minorVersion - will be equal to the latest minor version.
+ * X-pathVersion - will be equal to the latest patch version.
+ * Future plans will change this.
+ * @param response
+ * @param major
+ * @param minor
+ * @param patch
+ * @return
+ */
+ public static ResponseBuilder buildVersionResponse(String major, String minor, String patch) {
+ ResponseBuilder response = Response.noContent();
+ String versionIn = buildVersion(major,minor,patch);
+ String version = MusicUtil.getVersion();
+ String[] verArray = version.split("\\.",3);
+ if ( minor != null ) {
+ response.header(XMINORVERSION,minor);
+ } else {
+ response.header(XMINORVERSION,verArray[1]);
+ }
+ if ( patch != null ) {
+ response.header(XPATCHVERSION,patch);
+ } else {
+ response.header(XPATCHVERSION,verArray[2]);
+ }
+ response.header(XLATESTVERSION,version);
+ logger.info(EELFLoggerDelegate.applicationLogger,"Version In:" + versionIn);
+ return response;
+ }
+
+ public static boolean isValidConsistency(String consistency) {
+ for (String string : cosistencyLevel) {
+ if (string.equalsIgnoreCase(consistency))
+ return true;
+ }
+ return false;
+
+ }
+
+ public static ConsistencyLevel getConsistencyLevel(String consistency) {
+ return consistencyName.get(consistency.toUpperCase());
+ }
+
+ public static void loadProperties() throws Exception {
+ Properties prop = new Properties();
+ InputStream input = null;
+ try {
+ // load the properties file
+ input = MusicUtil.class.getClassLoader().getResourceAsStream("music.properties");
+ prop.load(input);
+ } catch (Exception ex) {
+ logger.error(EELFLoggerDelegate.errorLogger, "Unable to find properties file.", ex);
+ throw new Exception();
+ } finally {
+ if (input != null) {
+ try {
+ input.close();
+ } catch (IOException e) {
+ e.printStackTrace();
+ logger.error(EELFLoggerDelegate.errorLogger, e);
+ }
+ }
+ }
+ // get the property value and return it
+ MusicUtil.setMyCassaHost(prop.getProperty("cassandra.host"));
+ MusicUtil.setCassName(prop.getProperty("cassandra.user"));
+ MusicUtil.setCassPwd(prop.getProperty("cassandra.password"));
+ MusicUtil.setCassandraPort(Integer.parseInt(prop.getProperty("cassandra.port")));
+ MusicUtil.setNotifyTimeOut(Integer.parseInt(prop.getProperty("notify.timeout")));
+ MusicUtil.setNotifyInterval(Integer.parseInt(prop.getProperty("notify.interval")));
+ MusicUtil.setCacheObjectMaxLife(Integer.parseInt(prop.getProperty("cacheobject.maxlife")));
+ }
+
+ public static void setNotifyInterval(int notifyinterval) {
+ MusicUtil.notifyinterval = notifyinterval;
+ }
+ public static void setNotifyTimeOut(int notifytimeout) {
+ MusicUtil.notifytimeout = notifytimeout;
+ }
+
+ public static int getNotifyInterval() {
+ return MusicUtil.notifyinterval;
+ }
+
+ public static int getNotifyTimeout() {
+ return MusicUtil.notifytimeout;
+ }
+
+ public static int getCacheObjectMaxLife() {
+ return MusicUtil.cacheObjectMaxLife;
+ }
+
+ public static void setCacheObjectMaxLife(int cacheObjectMaxLife) {
+ MusicUtil.cacheObjectMaxLife = cacheObjectMaxLife;
+ }
+
+ /**
+ * Given the time of write for an update in a critical section, this method provides a transformed timestamp
+ * that ensures that a previous lock holder who is still alive can never corrupt a later critical section.
+ * The main idea is to us the lock reference to clearly demarcate the timestamps across critical sections.
+ * @param the UUID lock reference associated with the write.
+ * @param the long timeOfWrite which is the actual time at which the write took place
+ * @throws MusicServiceException
+ * @throws MusicQueryException
+ */
+ public static long v2sTimeStampInMicroseconds(long ordinal, long timeOfWrite) throws MusicServiceException, MusicQueryException {
+ // TODO: use acquire time instead of music eternity epoch
+ long ts = ordinal * MaxLockReferenceTimePart + (timeOfWrite - MusicEternityEpochMillis);
+
+ return ts;
+ }
+
+ public static MusicCoreService getMusicCoreService() {
+ if(getLockUsing().equals(MusicUtil.CASSANDRA))
+ return MusicCassaCore.getInstance();
+ else
+ return MusicCassaCore.getInstance();
+ }
+
+ /**
+ * @param lockName
+ * @return
+ */
+ public static Map<String, Object> validateLock(String lockName) {
+ Map<String, Object> resultMap = new HashMap<>();
+ String[] locks = lockName.split("\\.");
+ if(locks.length < 3) {
+ resultMap.put("Error", "Invalid lock. Please make sure lock is of the type keyspaceName.tableName.primaryKey");
+ return resultMap;
+ }
+ String keyspace= locks[0];
+ if(keyspace.startsWith("$"))
+ keyspace = keyspace.substring(1);
+ resultMap.put("keyspace",keyspace);
+ return resultMap;
+ }
+
+
+ public static void setIsCadi(boolean isCadi) {
+ MusicUtil.isCadi = isCadi;
+ }
+
+ public static void writeBackToQuorum(PreparedQueryObject selectQuery, String primaryKeyName,
+ PreparedQueryObject updateQuery, String keyspace, String table,
+ Object cqlFormattedPrimaryKeyValue)
+ throws Exception {
+ try {
+ ResultSet results = MusicDataStoreHandle.getDSHandle().executeQuorumConsistencyGet(selectQuery);
+ // write it back to a quorum
+ Row row = results.one();
+ ColumnDefinitions colInfo = row.getColumnDefinitions();
+ int totalColumns = colInfo.size();
+ int counter = 1;
+ StringBuilder fieldValueString = new StringBuilder("");
+ for (Definition definition : colInfo) {
+ String colName = definition.getName();
+ if (colName.equals(primaryKeyName))
+ continue;
+ DataType colType = definition.getType();
+ Object valueObj = MusicDataStoreHandle.getDSHandle().getColValue(row, colName, colType);
+ Object valueString = MusicUtil.convertToActualDataType(colType, valueObj);
+ fieldValueString.append(colName + " = ?");
+ updateQuery.addValue(valueString);
+ if (counter != (totalColumns - 1))
+ fieldValueString.append(",");
+ counter = counter + 1;
+ }
+ updateQuery.appendQueryString("UPDATE " + keyspace + "." + table + " SET "
+ + fieldValueString + " WHERE " + primaryKeyName + "= ? " + ";");
+ updateQuery.addValue(cqlFormattedPrimaryKeyValue);
+
+ MusicDataStoreHandle.getDSHandle().executePut(updateQuery, "critical");
+ } catch (MusicServiceException | MusicQueryException e) {
+ logger.error(EELFLoggerDelegate.errorLogger,e.getMessage(), AppMessages.QUERYERROR +""+updateQuery ,
+ ErrorSeverity.MAJOR, ErrorTypes.QUERYERROR, e);
+ }
+ }
+
+ public static boolean getIsCadi() {
+ return MusicUtil.isCadi;
+ }
+
+
+ /**
+ * @return a random uuid
+ */
+ public static String generateUUID() {
+ String uuid = UUID.randomUUID().toString();
+ logger.info(EELFLoggerDelegate.applicationLogger,"New AID generated: "+uuid);
+ return uuid;
+ }
+
+ private static String checkPrefix(String prefix){
+ if (prefix == null || "".equals(prefix) || prefix.endsWith("-")) {
+ return prefix;
+ } else {
+ return prefix + "-";
+ }
+ }
+
+ /**
+ * @return the transIdPrefix
+ */
+ public static String getTransIdPrefix() {
+ return transIdPrefix;
+ }
+
+ /**
+ * @param transIdPrefix the transIdPrefix to set
+ */
+ public static void setTransIdPrefix(String transIdPrefix) {
+ MusicUtil.transIdPrefix = checkPrefix(transIdPrefix);
+ }
+
+ /**
+ * @return the conversationIdPrefix
+ */
+ public static String getConversationIdPrefix() {
+ return conversationIdPrefix;
+ }
+
+ /**
+ * @param conversationIdPrefix the conversationIdPrefix to set
+ */
+ public static void setConversationIdPrefix(String conversationIdPrefix) {
+ MusicUtil.conversationIdPrefix = checkPrefix(conversationIdPrefix);
+ }
+
+ /**
+ * @return the clientIdPrefix
+ */
+ public static String getClientIdPrefix() {
+ return clientIdPrefix;
+ }
+
+ /**
+ * @param clientIdPrefix the clientIdPrefix to set
+ */
+ public static void setClientIdPrefix(String clientIdPrefix) {
+ MusicUtil.clientIdPrefix = checkPrefix(clientIdPrefix);
+ }
+
+ /**
+ * @return the messageIdPrefix
+ */
+ public static String getMessageIdPrefix() {
+ return messageIdPrefix;
+ }
+
+ /**
+ * @param messageIdPrefix the messageIdPrefix to set
+ */
+ public static void setMessageIdPrefix(String messageIdPrefix) {
+ MusicUtil.messageIdPrefix = checkPrefix(messageIdPrefix);
+ }
+
+ /**
+ * @return the transIdRequired
+ */
+ public static String getTransIdRequired() {
+ return transIdRequired;
+ }
+
+
+ /**
+ * @param transIdRequired the transIdRequired to set
+ */
+ public static void setTransIdRequired(String transIdRequired) {
+ MusicUtil.transIdRequired = transIdRequired;
+ }
+
+
+ /**
+ * @return the conversationIdRequired
+ */
+ public static String getConversationIdRequired() {
+ return conversationIdRequired;
+ }
+
+
+ /**
+ * @param conversationIdRequired the conversationIdRequired to set
+ */
+ public static void setConversationIdRequired(String conversationIdRequired) {
+ MusicUtil.conversationIdRequired = conversationIdRequired;
+ }
+
+
+ /**
+ * @return the clientIdRequired
+ */
+ public static String getClientIdRequired() {
+ return clientIdRequired;
+ }
+
+
+ /**
+ * @param clientIdRequired the clientIdRequired to set
+ */
+ public static void setClientIdRequired(String clientIdRequired) {
+ MusicUtil.clientIdRequired = clientIdRequired;
+ }
+
+
+ /**
+ * @return the messageIdRequired
+ */
+ public static String getMessageIdRequired() {
+ return messageIdRequired;
+ }
+
+
+ /**
+ * @param messageIdRequired the messageIdRequired to set
+ */
+ public static void setMessageIdRequired(String messageIdRequired) {
+ MusicUtil.messageIdRequired = messageIdRequired;
+ }
+
+
+