}
public boolean checkForDeadlock(String keyspace, String table, String lockName, LockType locktype, String owner, boolean forAcquire) throws MusicServiceException, MusicQueryException {
- if (locktype.equals(LockType.READ)) return false;
- if (owner==null || owner.length()==0) return false;
+ if (locktype.equals(LockType.READ))
+ return false;
+ if (owner==null || owner.length()==0)
+ return false;
String lockTable = table_prepend_name + table;
PreparedQueryObject queryObject = new PreparedQueryObject();
ddu.setExisting(row.getString("key"), row.getString("owner"), ("0".equals(row.getString("acquiretime")))?OwnershipType.CREATED:OwnershipType.ACQUIRED);
}
boolean deadlock = ddu.checkForDeadlock(lockName, owner, forAcquire?OwnershipType.ACQUIRED:OwnershipType.CREATED);
- if (deadlock) logger.warn("Deadlock detected when " + owner + " tried to create lock on " + keyspace + "." + lockTable + "." + lockName);
+ if (deadlock)
+ logger.warn("Deadlock detected when " + owner + " tried to create lock on " + keyspace + "." + lockTable + "." + lockName);
return deadlock;
}
}
public ReturnType promoteLock(String keyspace, String table, String key, String lockRef)
- throws MusicLockingException, MusicServiceException, MusicQueryException {
+ throws MusicServiceException, MusicQueryException {
String lockqtable = table_prepend_name + table;
String selectQuery = "select * from " + keyspace + "." + lockqtable + " where key=?;";