Package org.apache.cayenne

Examples of org.apache.cayenne.CayenneException

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        catch (CayenneException cex) {
            // rethrow unmodified
            throw cex;
        }
        catch (Exception otherex) {
            throw new CayenneException("Exception materializing id column.", Util
                    .unwindException(otherex));
        }
    }
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            select.setString(1, entity.getName());
            ResultSet rs = select.executeQuery();

            if (!rs.next()) {
                throw new CayenneException("PK lookup failed for table: "
                        + entity.getName());
            }

            long nextId = rs.getLong(1);

            rs.updateLong(1, nextId + pkCacheSize);
            rs.updateRow();

            if (rs.next()) {
                throw new CayenneException("More than one PK record for table: "
                        + entity.getName());
            }
           
            rs.close();
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            select.setString(1, entity.getName());
            ResultSet rs = select.executeQuery();

            if (!rs.next()) {
                throw new CayenneException("PK lookup failed for table: "
                        + entity.getName());
            }

            int nextId = rs.getInt(1);

            rs.updateInt(1, nextId + pkCacheSize);
            rs.updateRow();

            if (rs.next()) {
                throw new CayenneException("More than one PK record for table: "
                        + entity.getName());
            }
           
            rs.close();
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        str.close();
      } catch (IOException ioex) {
        // this should never happen
      }

      throw new CayenneException(
        "Error getting ResultIterator: " + str.getBuffer());
    }

    return resultIterator;
  }
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     * @param defaultEntity an entity needed to build ObjectIds for distinct comparison.
     */
    public DistinctResultIterator(ResultIterator wrappedIterator, DbEntity defaultEntity,
            boolean compareFullRows) throws CayenneException {
        if (wrappedIterator == null) {
            throw new CayenneException("Null wrapped iterator.");
        }

        if (defaultEntity == null) {
            throw new CayenneException("Null defaultEntity.");
        }

        this.wrappedIterator = wrappedIterator;
        this.defaultEntity = defaultEntity;
        this.fetchedIds = new HashSet<Map<String, Object>>();
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        return nextDataRow != null;
    }

    public Map nextDataRow() throws CayenneException {
        if (!hasNextRow()) {
            throw new CayenneException(
                    "An attempt to read uninitialized row or past the end of the iterator.");
        }

        Map<String, Object> row = nextDataRow;
        checkNextRow();
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     * Returns a Map for the next ObjectId. After calling this method, calls to
     * "nextDataRow()" will result in exceptions.
     */
    public Map nextObjectId(DbEntity entity) throws CayenneException {
        if (!hasNextRow()) {
            throw new CayenneException(
                    "An attempt to read uninitialized row or past the end of the iterator.");
        }

        Map<String, Object> row = nextDataRow;

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        if (pk.size() != 1) {
            return nextObjectId(entity);
        }

        if (!hasNextRow()) {
            throw new CayenneException(
                    "An attempt to read uninitialized row or past the end of the iterator.");
        }

        Map<String, Object> row = nextDataRow;
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        return row.get(pk.iterator().next().getName());
    }

    public void skipDataRow() throws CayenneException {
        if (!hasNextRow()) {
            throw new CayenneException(
                    "An attempt to read uninitialized row or past the end of the iterator.");
        }

        if (readingIds) {
            checkNextId(defaultEntity);
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        }
    }

    void checkNextRow() throws CayenneException {
        if (readingIds) {
            throw new CayenneException(
                    "Can't go back from reading ObjectIds to reading rows.");
        }

        if (this.compareFullRows) {
            checkNextUniqueRow();
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Related Classes of org.apache.cayenne.CayenneException

  • org.apache.cayenne.access.DataContext
  • org.apache.cayenne.access.DataPort
  • org.apache.cayenne.access.DefaultResultIterator
  • org.apache.cayenne.access.InternalTransaction
  • org.apache.cayenne.access.jdbc.BatchAction
  • org.apache.cayenne.access.jdbc.DistinctResultIterator
  • org.apache.cayenne.access.jdbc.EntityRowReader
  • org.apache.cayenne.access.jdbc.FullRowReader
  • org.apache.cayenne.access.jdbc.IdRowReader
  • org.apache.cayenne.access.jdbc.JDBCResultIterator
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