- 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.");
- throw new Exception();
- } finally {
- if (input != null) {
- try {
- input.close();
- } catch (IOException e) {
- e.printStackTrace();
- }
- }
- }
- // get the property value and return it
- MusicUtil.setMyCassaHost(prop.getProperty("cassandra.host"));
- String zkHosts = prop.getProperty("zookeeper.host");
- MusicUtil.setMyZkHost(zkHosts);
- MusicUtil.setCassName(prop.getProperty("cassandra.user"));
- MusicUtil.setCassPwd(prop.getProperty("cassandra.password"));
- MusicUtil.setCassandraPort(Integer.parseInt(prop.getProperty("cassandra.port")));
-
- }
+ /**
+ * @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);
+ }
+ }
+
+ 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;
+ }