Ejemplo n.º 1
0
  /**
   * For a component, add to a list of associations to be fetched by outerjoin
   *
   * @param componentType The component type to be walked.
   * @param propertyNumber The property number for the component property (relative to persister).
   * @param begin todo unknowm
   * @param persister The owner of the component property
   * @param alias The root alias
   * @param path The property access path
   * @param currentDepth The current join depth
   * @throws org.hibernate.MappingException ???
   */
  private void walkComponentTree(
      final CompositeType componentType,
      final int propertyNumber,
      int begin,
      final OuterJoinLoadable persister,
      final String alias,
      final PropertyPath path,
      final int currentDepth)
      throws MappingException {
    Type[] types = componentType.getSubtypes();
    String[] propertyNames = componentType.getPropertyNames();
    for (int i = 0; i < types.length; i++) {
      if (types[i].isAssociationType()) {
        AssociationType associationType = (AssociationType) types[i];
        String[] aliasedLhsColumns =
            JoinHelper.getAliasedLHSColumnNames(
                associationType, alias, propertyNumber, begin, persister, getFactory());
        String[] lhsColumns =
            JoinHelper.getLHSColumnNames(
                associationType, propertyNumber, begin, persister, getFactory());
        String lhsTable = JoinHelper.getLHSTableName(associationType, propertyNumber, persister);

        final PropertyPath subPath = path.append(propertyNames[i]);
        final boolean[] propertyNullability = componentType.getPropertyNullability();
        final JoinType joinType =
            getJoinType(
                persister,
                subPath,
                propertyNumber,
                associationType,
                componentType.getFetchMode(i),
                componentType.getCascadeStyle(i),
                lhsTable,
                lhsColumns,
                propertyNullability == null || propertyNullability[i],
                currentDepth);
        addAssociationToJoinTreeIfNecessary(
            associationType, aliasedLhsColumns, alias, subPath, currentDepth, joinType);

      } else if (types[i].isComponentType()) {
        final PropertyPath subPath = path.append(propertyNames[i]);
        walkComponentTree(
            (CompositeType) types[i],
            propertyNumber,
            begin,
            persister,
            alias,
            subPath,
            currentDepth);
      }
      begin += types[i].getColumnSpan(getFactory());
    }
  }
Ejemplo n.º 2
0
  /** For a composite element, add to a list of associations to be fetched by outerjoin */
  private void walkCompositeElementTree(
      final CompositeType compositeType,
      final String[] cols,
      final QueryableCollection persister,
      final String alias,
      final PropertyPath path,
      final int currentDepth)
      throws MappingException {

    Type[] types = compositeType.getSubtypes();
    String[] propertyNames = compositeType.getPropertyNames();
    int begin = 0;
    for (int i = 0; i < types.length; i++) {
      int length = types[i].getColumnSpan(getFactory());
      String[] lhsColumns = ArrayHelper.slice(cols, begin, length);

      if (types[i].isAssociationType()) {
        AssociationType associationType = (AssociationType) types[i];

        // simple, because we can't have a one-to-one or a collection
        // (or even a property-ref) in a composite-element:
        String[] aliasedLhsColumns = StringHelper.qualify(alias, lhsColumns);

        final PropertyPath subPath = path.append(propertyNames[i]);
        final boolean[] propertyNullability = compositeType.getPropertyNullability();
        final JoinType joinType =
            getJoinType(
                associationType,
                compositeType.getFetchMode(i),
                subPath,
                persister.getTableName(),
                lhsColumns,
                propertyNullability == null || propertyNullability[i],
                currentDepth,
                compositeType.getCascadeStyle(i));
        addAssociationToJoinTreeIfNecessary(
            associationType, aliasedLhsColumns, alias, subPath, currentDepth, joinType);
      } else if (types[i].isComponentType()) {
        final PropertyPath subPath = path.append(propertyNames[i]);
        walkCompositeElementTree(
            (CompositeType) types[i], lhsColumns, persister, alias, subPath, currentDepth);
      }
      begin += length;
    }
  }