code: public synchronized void setRepositoryInfo(LogRepositoryManager manager, File repositoryLocation, long repositorySpaceNeeded) throws IllegalArgumentException {
  		if (manager == null)   throw new IllegalArgumentException("Null manager passed to LogRepositorySpaceAlert.setRepositoryInfo") ;
  		if (repositoryLocation == null)   throw new IllegalArgumentException("Null repositoryLocation passed to LogRepositorySpaceAlert.setRepositoryInfo") ;
  		/* Don't do logging here since it would cause infinite loop with *=all trace spec.
  		if (logger.isLoggable(Level.FINER))
  			logger.logp(Level.FINER, className, "setRepositoryInfo", "Args: manager: "+manager+" loc: "+
  				repositoryLocation.getPath()+" rSpc: "+repositorySpaceNeeded) ;
  		 */
  		RepositoryInfo curRI = repositoryInfo.get(manager);
  		if (curRI == null) {
  			File fsRoot = calculateFsRoot(repositoryLocation);
  			FileSystemInfo fs = fsInfo.get(fsRoot);
  			if (fs == null) {
  				fs = new FileSystemInfo();
  				fsInfo.put(fsRoot, fs);
  			}
  			curRI = new RepositoryInfo(fs);
  			repositoryInfo.put(manager, curRI);
  		}
  		curRI.setRespositorySpaceNeeded(repositorySpaceNeeded);
  	}
docs: Set a repository into the space alert for checking. In HPEL, the LogManager for log and the LogManager for
  Trace should set themselves as repositories to watch.  This is done on the opening of each file.  Thus, if
  a destination is moved, a file is rolled, or a server is started, the info will be updated
  @param repositoryType Unique identifier of this repository (in HPEL, it is log/trace/text). Since managers will
  reSet with each file they create or any time they change locations .. if the same type drives set again, the row
  in the arrayList is updated
  @param repositoryLocation location where this repository will log
  @param repositorySpaceNeeded Current amount of space needed. This is determined by the caller.  For our purposes,
  if the repository is using space, then it is the maxSpace - currently used space.  If it is going by time, then
  it is based on a fixed value which is a constant in this class.