com.dpci.constituentsonly/CRM/ConstituentsOnly/BAO/Query.php

<?php

class CRM_ConstituentsOnly_BAO_Query extends CRM_Contact_BAO_Query_Interface {

  static $_networkFields = array();

  public function &getFields() {
    return self::$_networkFields;
  }

  public function select(&$query) {
  }

  /**
   * Build where clause for ConstituentsOnly
   *
   * @return void
   * @access public
   */
  public function where(&$query) {
    if (CRM_Utils_Array::value('civicrm_contact', $query->_tables)) {
      $query->_where[0][] = "( contact_a.do_not_trade IS NULL OR contact_a.do_not_trade = 0)";
    }
  }

  public function from($name, $mode, $side) {
  }

  public function setTableDependency(&$tables) {
  }

  public function getPanesMapper(&$panes) {
  }

  public function registerAdvancedSearchPane(&$panes) {
  }

  public function buildAdvancedSearchPaneForm(&$form, $type) {
  }

  public function setAdvancedSearchPaneTemplatePath(&$paneTemplatePathArray, $type) {
  }

}