/**
   * Returns the objects collection.
   *
   * @param
   */
  protected IObjects getIObjects(int _nMaxSize) throws PureException {
    SearchForm thisform = (SearchForm) form;

    // 1. to get the query filter
    QueryFilter filter = thisform.getQueryFilter();
    if (filter.getSelect() == null) {
      filter.addPropertySelect("this", "*");
    }

    // 2. to render SQL
    IContentMgr mgr =
        ArkContentHelper.getContentMgrOf(thisform.getEntityMetadata().getEntityClass());
    List params = new ArrayList();
    String strSQL = filter.toSQL(params);
    if (this.isFromTemp()) {
      strSQL = strSQL.replaceAll("\\{this\\}", mgr.getTempTable(true) + " this");
    }
    logger.debug("SQL=" + strSQL);

    // 3. to execute the query
    IStatement query = null;
    try {
      query = mgr.createQuery(strSQL, 0);
      filter.registerEntitiesInQuery(query);
      query.setParameters(0, params);
      if (_nMaxSize > 0) {
        query.setMaxSize(_nMaxSize);
      }
      return query.executeQuery();
    } finally {
      params.clear();
      if (query != null) query.clear();
    }
  }
 private int getPublicationId(String _sISSN) throws PureException {
   IStatement query = null;
   IObjects result = null;
   try {
     IContentMgr mgr = ArkContentHelper.getContentMgrOf(Publication.class);
     final String strSQL = "SELECT * FROM {this} WHERE {this.publishCode}='" + _sISSN + '\'';
     query = mgr.createQuery(strSQL, 1);
     result = query.executeQuery();
     Publication publication = (Publication) result.next();
     if (publication != null) return publication.getId();
     return 0;
   } finally {
     DolphinHelper.clear(result, query);
   }
 }
 /** @see com.pureinfo.srm.project.domain.IProjectPersonMgr#findAllByRelativeId(int) */
 protected void deleteAllByRelativeId(DolphinObject _newObj, String _sRelativeIdName, Class _clazz)
     throws PureException {
   IStatement query = null;
   try {
     String strSQL = "SELECT * FROM {this} WHERE {this." + _sRelativeIdName + "} = ?";
     IContentMgr mgr = ArkContentHelper.getContentMgrOf(_clazz);
     query = mgr.createQuery(strSQL, 0);
     query.setInt(0, _newObj.getIntProperty("id", 0));
     mgr.delete(query.executeQuery());
   } catch (Exception ex) {
     ex.printStackTrace(System.err);
     throw new PureException(
         SRMExceptionTypes.PP_FINDALL_PERSONS_OFPROJECT,
         "RelativeId: " + _newObj.getIntProperty("id", 0),
         ex);
   } finally {
     if (query != null) {
       query.clear();
     }
     LocalContextHelper.closeSession();
   }
 }