Examples of org.apache.hadoop.hbase.snapshot.UnknownSnapshotException

Package org.apache.hadoop.hbase.snapshot

Examples of org.apache.hadoop.hbase.snapshot.UnknownSnapshotException

org.apache.hadoop.hbase.snapshot.UnknownSnapshotException
Exception thrown when we get a request for a snapshot we don't recognize.

   * @throws UnknownSnapshotException if snapshot is invalid or does not exist.
   */
  public boolean isSnapshotDone(SnapshotDescription expected) throws IOException {
    // check the request to make sure it has a snapshot
    if (expected == null) {
      throw new UnknownSnapshotException(
         "No snapshot name passed in request, can't figure out which snapshot you want to check.");
    }


    String ssString = SnapshotDescriptionUtils.toString(expected);


    // check to see if the sentinel exists
    TakeSnapshotHandler handler = getTakeSnapshotHandler(expected);
    if (handler == null) {
      // doesn't exist, check if it is already completely done.
      if (!isSnapshotCompleted(expected)) {
        throw new UnknownSnapshotException("Snapshot " + ssString
            + " is not currently running or one of the known completed snapshots.");
      }
      // was done, return true;
      return true;
    }

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      FileSystem fs = master.getMasterFileSystem().getFileSystem();


      // check to see if the snapshot already exists
      return fs.exists(snapshotDir);
    } catch (IllegalArgumentException iae) {
      throw new UnknownSnapshotException("Unexpected exception thrown", iae);
    }
  }

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   * @throws IOException if there was some sort of IO failure
   */
  public boolean isRestoringTable(final SnapshotDescription snapshot) throws IOException {
    // check to see if the snapshot is already on the fs
    if (!isSnapshotCompleted(snapshot)) {
      throw new UnknownSnapshotException("Snapshot:" + snapshot.getName()
          + " is not one of the known completed snapshots.");
    }


    SnapshotSentinel sentinel = getRestoreSnapshotSentinel(snapshot.getTable());
    if (sentinel == null) {

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   * @throws UnknownSnapshotException if snapshot is invalid or does not exist.
   */
  public boolean isSnapshotDone(SnapshotDescription expected) throws IOException {
    // check the request to make sure it has a snapshot
    if (expected == null) {
      throw new UnknownSnapshotException(
         "No snapshot name passed in request, can't figure out which snapshot you want to check.");
    }


    String ssString = SnapshotDescriptionUtils.toString(expected);


    // check to see if the sentinel exists,
    // and if the task is complete removes it from the in-progress snapshots map.
    SnapshotSentinel handler = removeSentinelIfFinished(this.snapshotHandlers, expected);


    // stop tracking "abandoned" handlers
    cleanupSentinels();


    if (handler == null) {
      // If there's no handler in the in-progress map, it means one of the following:
      //   - someone has already requested the snapshot state
      //   - the requested snapshot was completed long time ago (cleanupSentinels() timeout)
      //   - the snapshot was never requested
      // In those cases returns to the user the "done state" if the snapshots exists on disk,
      // otherwise raise an exception saying that the snapshot is not running and doesn't exist.
      if (!isSnapshotCompleted(expected)) {
        throw new UnknownSnapshotException("Snapshot " + ssString
            + " is not currently running or one of the known completed snapshots.");
      }
      // was done, return true;
      return true;
    }

View Full Code Here

      FileSystem fs = master.getMasterFileSystem().getFileSystem();


      // check to see if the snapshot already exists
      return fs.exists(snapshotDir);
    } catch (IllegalArgumentException iae) {
      throw new UnknownSnapshotException("Unexpected exception thrown", iae);
    }
  }

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   * @throws UnknownSnapshotException if snapshot is invalid or does not exist.
   */
  public boolean isSnapshotDone(SnapshotDescription expected) throws IOException {
    // check the request to make sure it has a snapshot
    if (expected == null) {
      throw new UnknownSnapshotException(
         "No snapshot name passed in request, can't figure out which snapshot you want to check.");
    }


    String ssString = ClientSnapshotDescriptionUtils.toString(expected);


    // check to see if the sentinel exists,
    // and if the task is complete removes it from the in-progress snapshots map.
    SnapshotSentinel handler = removeSentinelIfFinished(this.snapshotHandlers, expected);


    // stop tracking "abandoned" handlers
    cleanupSentinels();


    if (handler == null) {
      // If there's no handler in the in-progress map, it means one of the following:
      //   - someone has already requested the snapshot state
      //   - the requested snapshot was completed long time ago (cleanupSentinels() timeout)
      //   - the snapshot was never requested
      // In those cases returns to the user the "done state" if the snapshots exists on disk,
      // otherwise raise an exception saying that the snapshot is not running and doesn't exist.
      if (!isSnapshotCompleted(expected)) {
        throw new UnknownSnapshotException("Snapshot " + ssString
            + " is not currently running or one of the known completed snapshots.");
      }
      // was done, return true;
      return true;
    }

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      final Path snapshotDir = SnapshotDescriptionUtils.getCompletedSnapshotDir(snapshot, rootDir);
      FileSystem fs = master.getMasterFileSystem().getFileSystem();
      // check to see if the snapshot already exists
      return fs.exists(snapshotDir);
    } catch (IllegalArgumentException iae) {
      throw new UnknownSnapshotException("Unexpected exception thrown", iae);
    }
  }

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   * @throws UnknownSnapshotException if snapshot is invalid or does not exist.
   */
  public boolean isSnapshotDone(SnapshotDescription expected) throws IOException {
    // check the request to make sure it has a snapshot
    if (expected == null) {
      throw new UnknownSnapshotException(
         "No snapshot name passed in request, can't figure out which snapshot you want to check.");
    }


    String ssString = ClientSnapshotDescriptionUtils.toString(expected);


    // check to see if the sentinel exists,
    // and if the task is complete removes it from the in-progress snapshots map.
    SnapshotSentinel handler = removeSentinelIfFinished(this.snapshotHandlers, expected);


    // stop tracking "abandoned" handlers
    cleanupSentinels();


    if (handler == null) {
      // If there's no handler in the in-progress map, it means one of the following:
      //   - someone has already requested the snapshot state
      //   - the requested snapshot was completed long time ago (cleanupSentinels() timeout)
      //   - the snapshot was never requested
      // In those cases returns to the user the "done state" if the snapshots exists on disk,
      // otherwise raise an exception saying that the snapshot is not running and doesn't exist.
      if (!isSnapshotCompleted(expected)) {
        throw new UnknownSnapshotException("Snapshot " + ssString
            + " is not currently running or one of the known completed snapshots.");
      }
      // was done, return true;
      return true;
    }

View Full Code Here

      final Path snapshotDir = SnapshotDescriptionUtils.getCompletedSnapshotDir(snapshot, rootDir);
      FileSystem fs = master.getMasterFileSystem().getFileSystem();
      // check to see if the snapshot already exists
      return fs.exists(snapshotDir);
    } catch (IllegalArgumentException iae) {
      throw new UnknownSnapshotException("Unexpected exception thrown", iae);
    }
  }

View Full Code Here

   * @throws UnknownSnapshotException if snapshot is invalid or does not exist.
   */
  public boolean isSnapshotDone(SnapshotDescription expected) throws IOException {
    // check the request to make sure it has a snapshot
    if (expected == null) {
      throw new UnknownSnapshotException(
         "No snapshot name passed in request, can't figure out which snapshot you want to check.");
    }


    String ssString = ClientSnapshotDescriptionUtils.toString(expected);


    // check to see if the sentinel exists,
    // and if the task is complete removes it from the in-progress snapshots map.
    SnapshotSentinel handler = removeSentinelIfFinished(this.snapshotHandlers, expected);


    // stop tracking "abandoned" handlers
    cleanupSentinels();


    if (handler == null) {
      // If there's no handler in the in-progress map, it means one of the following:
      //   - someone has already requested the snapshot state
      //   - the requested snapshot was completed long time ago (cleanupSentinels() timeout)
      //   - the snapshot was never requested
      // In those cases returns to the user the "done state" if the snapshots exists on disk,
      // otherwise raise an exception saying that the snapshot is not running and doesn't exist.
      if (!isSnapshotCompleted(expected)) {
        throw new UnknownSnapshotException("Snapshot " + ssString
            + " is not currently running or one of the known completed snapshots.");
      }
      // was done, return true;
      return true;
    }

View Full Code Here

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org.apache.hadoop.hbase.master.snapshot.SnapshotManager

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