Package org.apache.mahout.cf.taste.common

Examples of org.apache.mahout.cf.taste.common.TasteException

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        prefs.add(buildPreference(rs));
      }
      return prefs;
    } catch (SQLException sqle) {
      log.warn("Exception while retrieving prefs for item", sqle);
      throw new TasteException(sqle);
    } finally {
      IOUtils.quietClose(rs, stmt, conn);
    }
  }
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      rs = stmt.executeQuery();
      rs.next();
      return rs.getInt(1);
    } catch (SQLException sqle) {
      log.warn("Exception while retrieving number of {}", name, sqle);
      throw new TasteException(sqle);
    } finally {
      IOUtils.quietClose(rs, stmt, conn);
    }
  }
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      log.debug("Executing SQL update: {}", setPreferenceSQL);
      stmt.executeUpdate();
     
    } catch (SQLException sqle) {
      log.warn("Exception while setting preference", sqle);
      throw new TasteException(sqle);
    } finally {
      IOUtils.quietClose(null, stmt, conn);
    }
  }
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      log.debug("Executing SQL update: {}", removePreferenceSQL);
      stmt.executeUpdate();
     
    } catch (SQLException sqle) {
      log.warn("Exception while removing preference", sqle);
      throw new TasteException(sqle);
    } finally {
      IOUtils.quietClose(null, stmt, conn);
    }
  }
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        if (!anyResults) {
          close();
        }
      } catch (SQLException sqle) {
        close();
        throw new TasteException(sqle);
      }
    }
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      log.debug("Executing SQL update: {}", setPreferenceSQL);
      stmt.executeUpdate();
     
    } catch (SQLException sqle) {
      log.warn("Exception while setting preference", sqle);
      throw new TasteException(sqle);
    } finally {
      IOUtils.quietClose(null, stmt, conn);
    }
  }
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  private static Properties getPropertiesFromFile(File file) throws TasteException {
    try {
      return getPropertiesFromStream(new FileInputStream(file));
    } catch (FileNotFoundException fnfe) {
      throw new TasteException(fnfe);
    }
  }
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        return props;
      } finally {
        IOUtils.quietClose(is);
      }
    } catch (IOException ioe) {
      throw new TasteException(ioe);
    }
  }
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      // Go look for exceptions here, really
      for (Future<Void> future : futures) {
        future.get();
      }
    } catch (InterruptedException ie) {
      throw new TasteException(ie);
    } catch (ExecutionException ee) {
      throw new TasteException(ee.getCause());
    }
    executor.shutdown();
  }
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        int secondComma = line.indexOf(',', firstComma + 1);
        float rating = Float.parseFloat(line.substring(firstComma + 1, secondComma));
        prefs.add(new GenericPreference(userID, itemID, rating));
      }
    } catch (IOException ioe) {
      throw new TasteException(ioe);
    }
    return new GenericItemPreferenceArray(prefs);
  }
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