public boolean testCondition() throws Exception {
// first generate the row
ResultSet results = quorumGet(selectQueryForTheRow);
- Row row = results.one();
+ Row row = null;
+ if(results != null) {
+ row = results.one();
+ }
return getDSHandle().doesRowSatisfyCondition(row, conditions);
}
}
long start = System.currentTimeMillis();
if (mDstoreHandle == null) {
// Quick Fix - Best to put this into every call to getDSHandle?
- if (! MusicUtil.getMyCassaHost().equals("localhost") ) {
+ if (! "localhost".equals(MusicUtil.getMyCassaHost())) {
mDstoreHandle = new MusicDataStore(MusicUtil.getMyCassaHost());
} else {
mDstoreHandle = new MusicDataStore();
logger.info(EELFLoggerDelegate.applicationLogger,"Time taken to get lock state:" + (end - start) + " ms");
return mls;
} catch (NullPointerException | MusicLockingException e) {
- logger.error(EELFLoggerDelegate.errorLogger,e.getMessage(), AppMessages.INVALIDLOCK,ErrorSeverity.CRITICAL, ErrorTypes.LOCKINGERROR);
+ logger.error(EELFLoggerDelegate.errorLogger,e, AppMessages.INVALIDLOCK,ErrorSeverity.CRITICAL, ErrorTypes.LOCKINGERROR);
}
return null;
}
mls = releaseLock(currentLockHolder, voluntaryRelease);
}
}
- } else
+ } else {
logger.error(EELFLoggerDelegate.errorLogger,key, AppMessages.INVALIDLOCK,ErrorSeverity.CRITICAL, ErrorTypes.LOCKINGERROR);
-
+ }
/*
* call the traditional acquire lock now and if the result returned is true, set the
* begin time-stamp and lease period
MusicLockState newMls = null;
try {
currentMls = getMusicLockState(key);
- String currentLockHolder = currentMls.getLockHolder();
+ String currentLockHolder = null;
+ if(currentMls != null) { currentLockHolder = currentMls.getLockHolder(); };
if (lockId.equals(currentLockHolder)) {
logger.info(EELFLoggerDelegate.applicationLogger,"In acquire lock: You already have the lock!");
return new ReturnType(ResultType.SUCCESS, "You already have the lock!");
}
return results;
}
+
+ public static String getMyHostId() {
+ PreparedQueryObject pQuery = new PreparedQueryObject();
+ pQuery.appendQueryString("SELECT HOST_ID FROM SYSTEM.LOCAL");
+ ResultSet rs = null;
+ try {
+ rs = getDSHandle().executeEventualGet(pQuery);
+ Row row = rs.one();
+ return (row == null) ? "UNKNOWN" : row.getUUID("HOST_ID").toString();
+ } catch (Exception e) {
+ e.printStackTrace();
+ logger.error(EELFLoggerDelegate.errorLogger,e.getMessage());
+ }
+ logger.error(EELFLoggerDelegate.errorLogger, "Some issue during MusicCore.getMyHostId");
+ return "UNKNOW";
+ }
/**
* This method performs DDL operations on cassandra, if the the resource is available. Lock ID