コード例 #1
0
  /** Perform cleanup of the trash directory. */
  private void delete() {
    IgfsFileInfo info = null;

    try {
      info = meta.info(TRASH_ID);
    } catch (ClusterTopologyServerNotFoundException e) {
      LT.warn(log, e, "Server nodes not found.");
    } catch (IgniteCheckedException e) {
      U.error(log, "Cannot obtain trash directory info.", e);
    }

    if (info != null) {
      for (Map.Entry<String, IgfsListingEntry> entry : info.listing().entrySet()) {
        IgniteUuid fileId = entry.getValue().fileId();

        if (log.isDebugEnabled())
          log.debug(
              "Deleting IGFS trash entry [name=" + entry.getKey() + ", fileId=" + fileId + ']');

        try {
          if (!cancelled) {
            if (delete(entry.getKey(), fileId)) {
              if (log.isDebugEnabled())
                log.debug(
                    "Sending delete confirmation message [name="
                        + entry.getKey()
                        + ", fileId="
                        + fileId
                        + ']');

              sendDeleteMessage(new IgfsDeleteMessage(fileId));
            }
          } else break;
        } catch (IgniteInterruptedCheckedException ignored) {
          // Ignore this exception while stopping.
        } catch (IgniteCheckedException e) {
          U.error(log, "Failed to delete entry from the trash directory: " + entry.getKey(), e);

          sendDeleteMessage(new IgfsDeleteMessage(fileId, e));
        }
      }
    }
  }
コード例 #2
0
  /**
   * Remove particular entry from the TRASH directory.
   *
   * @param name Entry name.
   * @param id Entry ID.
   * @return {@code True} in case the entry really was deleted form the file system by this call.
   * @throws IgniteCheckedException If failed.
   */
  private boolean delete(String name, IgniteUuid id) throws IgniteCheckedException {
    assert name != null;
    assert id != null;

    while (true) {
      IgfsFileInfo info = meta.info(id);

      if (info != null) {
        if (info.isDirectory()) {
          deleteDirectory(TRASH_ID, id);

          if (meta.delete(TRASH_ID, name, id)) return true;
        } else {
          assert info.isFile();

          // Delete file content first.
          // In case this node crashes, other node will re-delete the file.
          data.delete(info).get();

          boolean ret = meta.delete(TRASH_ID, name, id);

          if (evts.isRecordable(EVT_IGFS_FILE_PURGED)) {
            if (info.path() != null)
              evts.record(
                  new IgfsEvent(
                      info.path(),
                      igfsCtx.kernalContext().discovery().localNode(),
                      EVT_IGFS_FILE_PURGED));
            else LT.warn(log, null, "Removing file without path info: " + info);
          }

          return ret;
        }
      } else return false; // Entry was deleted concurrently.
    }
  }