logger.info(EELFLoggerDelegate.applicationLogger,"In acquire lock: You already have the lock!");
return new ReturnType(ResultType.SUCCESS, "You already have the lock!");
}
+ if (currentMls.getLockStatus() != MusicLockState.LockStatus.UNLOCKED || currentMls.getLockHolder() != null) {
+ logger.info("In acquire lock: the previous lock has not been released yet! current mls:"+currentMls.toString());
+ return new ReturnType(ResultType.FAILURE, "The previous lock has not been released yet.");
+ }
} catch (NullPointerException e) {
logger.error(EELFLoggerDelegate.errorLogger,e.getMessage(), AppMessages.INVALIDLOCK+lockId,ErrorSeverity.CRITICAL, ErrorTypes.LOCKINGERROR);
}
public static void voluntaryReleaseLock(String lockId) throws MusicLockingException{
try {
getLockingServiceHandle().unlockAndDeleteId(lockId);
+ String lockName = getLockNameFromId(lockId);
+ String lockHolder = null;
+ MusicLockState mls = new MusicLockState(MusicLockState.LockStatus.UNLOCKED, lockHolder);
+ try {
+ getLockingServiceHandle().setLockState(lockName, mls);
+ } catch (MusicLockingException e) {
+ logger.error(EELFLoggerDelegate.errorLogger,e.getMessage(), AppMessages.RELEASELOCK+lockId ,ErrorSeverity.CRITICAL, ErrorTypes.LOCKINGERROR);
+ }
} catch (KeeperException.NoNodeException e) {
// ??? No way
}
try {
MusicLockState mls = getLockingServiceHandle()
.getLockState(keyspaceName + "." + tableName + "." + primaryKey);
+ logger.info("Got MusicLockState object... :"+mls.toString());
if (mls.getLockHolder().equals(lockId) == true) {
if (conditionInfo != null)
try {
ReturnType criticalPutResult = criticalPut(keyspaceName, tableName, primaryKey,
queryObject, lockId, conditionInfo);
long criticalPutTime = System.currentTimeMillis();
- voluntaryReleaseLock(lockId);
+ releaseLock(lockId, true);
long lockDeleteTime = System.currentTimeMillis();
String timingInfo = "|lock creation time:" + (lockCreationTime - start)
+ "|lock accquire time:" + (lockAcqTime - lockCreationTime)
return criticalPutResult;
} else {
logger.info(EELFLoggerDelegate.applicationLogger,"unable to acquire lock, id " + lockId);
- destroyLockRef(lockId);
+ releaseLock(lockId, true);;
return lockAcqResult;
}
}
logger.info(EELFLoggerDelegate.applicationLogger,"acquired lock with id " + lockId);
ResultSet result =
criticalGet(keyspaceName, tableName, primaryKey, queryObject, lockId);
- voluntaryReleaseLock(lockId);
+ releaseLock(lockId, true);
return result;
} else {
- destroyLockRef(lockId);
+ releaseLock(lockId, true);
logger.info(EELFLoggerDelegate.applicationLogger,"unable to acquire lock, id " + lockId);
return null;
}