Ejemplo n.º 1
0
  protected static boolean commitBuffer(final OMMapBufferEntry iEntry) {
    final long timer = OProfiler.getInstance().startChrono();

    // FORCE THE WRITE OF THE BUFFER
    boolean forceSucceed = false;
    for (int i = 0; i < FORCE_RETRY; ++i) {
      try {
        iEntry.buffer.force();
        forceSucceed = true;
        break;
      } catch (Exception e) {
        OLogManager.instance()
            .debug(
                iEntry,
                "Can't write memory buffer to disk. Retrying ("
                    + (i + 1)
                    + "/"
                    + FORCE_RETRY
                    + ")...");
        OMemoryWatchDog.freeMemory(FORCE_DELAY);
      }
    }

    if (!forceSucceed)
      OLogManager.instance()
          .debug(iEntry, "Can't commit memory buffer to disk after %d retries", FORCE_RETRY);
    else OProfiler.getInstance().updateCounter("OMMapManager.pagesCommitted", 1);

    OProfiler.getInstance().stopChrono("OMMapManager.commitPages", timer);

    return forceSucceed;
  }
Ejemplo n.º 2
0
  public void renameFile(long fileId, String oldFileName, String newFileName) throws IOException {
    synchronized (syncObject) {
      if (!files.containsKey(fileId)) return;

      final OFileClassic file = files.get(fileId);
      final String osFileName = file.getName();
      if (osFileName.startsWith(oldFileName)) {
        final File newFile =
            new File(
                storageLocal.getStoragePath()
                    + File.separator
                    + newFileName
                    + osFileName.substring(
                        osFileName.lastIndexOf(oldFileName) + oldFileName.length()));
        boolean renamed = file.renameTo(newFile);
        while (!renamed) {
          OMemoryWatchDog.freeMemoryForResourceCleanup(100);
          renamed = file.renameTo(newFile);
        }
      }

      writeNameIdEntry(new NameFileIdEntry(oldFileName, -1), false);
      writeNameIdEntry(new NameFileIdEntry(newFileName, fileId), true);

      nameIdMap.remove(oldFileName);
      nameIdMap.put(newFileName, fileId);
    }
  }
Ejemplo n.º 3
0
 public void rename(String iOldName, String iNewName) {
   for (OFile file : files) {
     final String osFileName = file.getName();
     if (osFileName.startsWith(name)) {
       final File newFile =
           new File(
               storage.getStoragePath()
                   + "/"
                   + iNewName
                   + osFileName.substring(osFileName.lastIndexOf(name) + name.length()));
       for (OStorageFileConfiguration conf : config.infoFiles) {
         if (conf.parent.name.equals(name)) conf.parent.name = iNewName;
         if (conf.path.endsWith(osFileName))
           conf.path = new String(conf.path.replace(osFileName, newFile.getName()));
       }
       boolean renamed = file.renameTo(newFile);
       while (!renamed) {
         OMemoryWatchDog.freeMemoryForResourceCleanup(100);
         renamed = file.renameTo(newFile);
       }
     }
   }
 }