PHP ca_metadata_elements::getPrimaryKey方法代码示例

 public function Get($pa_additional_query_params = null, $pa_options = null)
 {
     $ps_query = $this->request->getParameter('term', pString);
     $ps_bundle = $this->request->getParameter('bundle', pString);
     $va_tmp = explode('.', $ps_bundle);
     $o_dm = Datamodel::load();
     if (!($t_table = $o_dm->getInstanceByTableName($va_tmp[0], true))) {
         // bad table name
         print _t("Invalid table name");
         return null;
     }
     $t_element = new ca_metadata_elements();
     if (!$t_element->load(array('element_code' => $va_tmp[1]))) {
         print _t("Invalid element code");
         return null;
     }
     if ((int) $t_element->getSetting('suggestExistingValues') !== 1) {
         print _t("Value suggestion is not supported for this metadata element");
         return null;
     }
     if ($this->request->user->getBundleAccessLevel($va_tmp[0], $va_tmp[1]) == __CA_BUNDLE_ACCESS_NONE__) {
         print _t("You do not have access to this bundle");
         return null;
     }
     $va_type_restrictions = $t_element->getTypeRestrictions($t_table->tableNum());
     if (!$va_type_restrictions || !is_array($va_type_restrictions) || !sizeof($va_type_restrictions)) {
         print _t("Element code is not bound to the specified table");
         return null;
     }
     $o_db = new Db();
     switch ($t_element->getSetting('suggestExistingValueSort')) {
         case 'recent':
             // date/time entered
             $vs_sort_field = 'value_id DESC';
             $vn_max_returned_values = 10;
             break;
         default:
             // alphabetically
             $vs_sort_field = 'value_longtext1 ASC';
             $vn_max_returned_values = 50;
             break;
     }
     $qr_res = $o_db->query("\n\t\t\t\tSELECT DISTINCT value_longtext1\n\t\t\t\tFROM ca_attribute_values\n\t\t\t\tWHERE\n\t\t\t\t\telement_id = ?\n\t\t\t\t\tAND\n\t\t\t\t\t(value_longtext1 LIKE ?)\n\t\t\t\tORDER BY\n\t\t\t\t\t{$vs_sort_field}\n\t\t\t\tLIMIT {$vn_max_returned_values}\n\t\t\t", (int) $t_element->getPrimaryKey(), (string) $ps_query . '%');
     $this->view->setVar('attribute_value_list', $qr_res->getAllFieldValues('value_longtext1'));
     return $this->render('ajax_attribute_value_list_html.php');
 }

 /**
  * @param string $ps_table
  * @param string $ps_content_fieldname
  * @return \ElasticSearch\FieldTypes\FieldType
  */
 public static function getInstance($ps_table, $ps_content_fieldname)
 {
     if ($ps_table == 'created' || $ps_table == 'modified') {
         return new Timestamp($ps_table);
     }
     // if this is an indexing field name, rewrite it
     if (preg_match("/^(I|A)[0-9]+\$/", $ps_content_fieldname)) {
         if ($ps_content_fieldname[0] === 'A') {
             // Metadata attribute
             $vn_field_num_proc = (int) substr($ps_content_fieldname, 1);
             $t_element = new \ca_metadata_elements($vn_field_num_proc);
             if (!$t_element->getPrimaryKey()) {
                 return null;
             }
             $ps_content_fieldname = $t_element->get('element_code');
         } else {
             // Plain intrinsic
             $vn_field_num_proc = (int) substr($ps_content_fieldname, 1);
             $ps_content_fieldname = \Datamodel::load()->getFieldName($ps_table, $vn_field_num_proc);
         }
     }
     if ($vn_datatype = \ca_metadata_elements::getDataTypeForElementCode($ps_content_fieldname)) {
         switch ($vn_datatype) {
             case 2:
                 return new DateRange($ps_table, $ps_content_fieldname);
             case 4:
                 return new Geocode($ps_table, $ps_content_fieldname);
             case 6:
                 return new Currency($ps_table, $ps_content_fieldname);
             case 8:
                 return new Length($ps_table, $ps_content_fieldname);
             case 9:
                 return new Weight($ps_table, $ps_content_fieldname);
             case 10:
                 return new Timecode($ps_table, $ps_content_fieldname);
             case 11:
                 return new Integer($ps_table, $ps_content_fieldname);
             case 12:
                 return new Float($ps_table, $ps_content_fieldname);
             default:
                 return new GenericElement($ps_table, $ps_content_fieldname);
         }
     } else {
         return new Intrinsic($ps_table, $ps_content_fieldname);
     }
 }

$va_facet_info = $this->getVar('facet_info');
$va_types = $this->getVar('type_list');
$va_relationship_types = $this->getVar('relationship_type_list');
if (!is_array($va_other_params = $this->getVar('other_parameters'))) {
    $va_other_params = array();
}
$vs_grouping_field = $this->getVar('grouping');
if ((!isset($va_facet_info['groupings'][$vs_grouping_field]) || !$va_facet_info['groupings'][$vs_grouping_field]) && is_array($va_facet_info['groupings'])) {
    $va_tmp = array_keys($va_facet_info['groupings']);
    $vs_grouping_field = $va_tmp[0];
}
$vn_element_datatype = null;
if ($vs_grouping_attribute_element_code = preg_match('!^ca_attribute_([\\w]+)!', $vs_grouping_field, $va_matches) ? $va_matches[1] : null) {
    $t_element = new ca_metadata_elements();
    $t_element->load(array('element_code' => $vs_grouping_attribute_element_code));
    $vn_grouping_attribute_id = $t_element->getPrimaryKey();
    $vn_element_datatype = $t_element->get('datatype');
}
$vs_group_mode = $this->getVar('group_mode');
if (!$va_facet || !$vs_facet_name) {
    print 'No facet defined';
    return;
}
if (!($vm_modify_id = $this->getVar('modify'))) {
    $vm_modify_id = '0';
}
?>
<div id="facetList">
<div id="facetTitle">
	<?php 
print caNavLink($this->request, _t('start over') . " &rsaquo;", '', '', 'Browse', 'clearCriteria', array());

//.........这里部分代码省略.........
                                         $va_ft_stem_terms[] = "'" . $this->opo_db->escape($vs_stem) . "'";
                                     } else {
                                         $va_ft_terms[] = '"' . $this->opo_db->escape($vs_term) . '"';
                                     }
                                 } else {
                                     $va_ft_terms[] = '"' . $this->opo_db->escape($vs_term) . '"';
                                 }
                                 $vb_output_term = true;
                             }
                         }
                         if ($vb_output_term) {
                             $va_raw_terms[] = $vs_term;
                         } else {
                             $vn_i--;
                         }
                         break;
                 }
                 $vs_fld_num = $vs_table_num = $t_table = null;
                 $vb_ft_bit_optimization = false;
                 if ($vs_access_point) {
                     list($vs_table, $vs_field, $vs_sub_field) = explode('.', $vs_access_point);
                     if (in_array($vs_table, array('created', 'modified'))) {
                         $o_tep = new TimeExpressionParser();
                         $vs_date = join(' ', $va_raw_terms);
                         if (!$o_tep->parse($vs_date)) {
                             break;
                         }
                         $va_range = $o_tep->getUnixTimestamps();
                         $vn_user_id = null;
                         if ($vs_field = trim($vs_field)) {
                             if (!is_int($vs_field)) {
                                 $t_user = new ca_users();
                                 if ($t_user->load(array("user_name" => $vs_field))) {
                                     $vn_user_id = (int) $t_user->getPrimaryKey();
                                 }
                             } else {
                                 $vn_user_id = (int) $vs_field;
                             }
                         }
                         $vs_user_sql = $vn_user_id ? " AND (ccl.user_id = " . (int) $vn_user_id . ")" : "";
                         switch ($vs_table) {
                             case 'created':
                                 $vs_direct_sql_query = "\n\t\t\t\t\t\t\t\t\t\t\tSELECT ccl.logged_row_id, 1\n\t\t\t\t\t\t\t\t\t\t\tFROM ca_change_log ccl\n\t\t\t\t\t\t\t\t\t\t\tWHERE\n\t\t\t\t\t\t\t\t\t\t\t\t(ccl.log_datetime BETWEEN " . (int) $va_range['start'] . " AND " . (int) $va_range['end'] . ")\n\t\t\t\t\t\t\t\t\t\t\t\tAND\n\t\t\t\t\t\t\t\t\t\t\t\t(ccl.logged_table_num = ?)\n\t\t\t\t\t\t\t\t\t\t\t\tAND\n\t\t\t\t\t\t\t\t\t\t\t\t(ccl.changetype = 'I')\n\t\t\t\t\t\t\t\t\t\t\t\t{$vs_user_sql}\n\t\t\t\t\t\t\t\t\t\t";
                                 break;
                             case 'modified':
                                 $vs_direct_sql_query = "\n\t\t\t\t\t\t\t\t\t\t\tSELECT ccl.logged_row_id, 1\n\t\t\t\t\t\t\t\t\t\t\tFROM ca_change_log ccl\n\t\t\t\t\t\t\t\t\t\t\tWHERE\n\t\t\t\t\t\t\t\t\t\t\t\t(ccl.log_datetime BETWEEN " . (int) $va_range['start'] . " AND " . (int) $va_range['end'] . ")\n\t\t\t\t\t\t\t\t\t\t\t\tAND\n\t\t\t\t\t\t\t\t\t\t\t\t(ccl.logged_table_num = ?)\n\t\t\t\t\t\t\t\t\t\t\t\tAND\n\t\t\t\t\t\t\t\t\t\t\t\t(ccl.changetype = 'U')\n\t\t\t\t\t\t\t\t\t\t\t\t{$vs_user_sql}\n\t\t\t\t\t\t\t\t\t\tUNION\n\t\t\t\t\t\t\t\t\t\t\tSELECT ccls.subject_row_id, 1\n\t\t\t\t\t\t\t\t\t\t\tFROM ca_change_log ccl\n\t\t\t\t\t\t\t\t\t\t\tINNER JOIN ca_change_log_subjects AS ccls ON ccls.log_id = ccl.log_id\n\t\t\t\t\t\t\t\t\t\t\tWHERE\n\t\t\t\t\t\t\t\t\t\t\t\t(ccl.log_datetime BETWEEN " . (int) $va_range['start'] . " AND " . (int) $va_range['end'] . ")\n\t\t\t\t\t\t\t\t\t\t\t\tAND\n\t\t\t\t\t\t\t\t\t\t\t\t(ccls.subject_table_num = {$pn_subject_tablenum})\n\t\t\t\t\t\t\t\t\t\t\t\t{$vs_user_sql}\n\t\t\t\t\t\t\t\t\t\t";
                                 break;
                         }
                     } else {
                         if ($vs_table && $vs_field) {
                             $t_table = $this->opo_datamodel->getInstanceByTableName($vs_table, true);
                             if ($t_table) {
                                 $vs_table_num = $t_table->tableNum();
                                 if (is_numeric($vs_field)) {
                                     $vs_fld_num = 'I' . $vs_field;
                                     $vn_fld_num = (int) $vs_field;
                                 } else {
                                     $vn_fld_num = $this->getFieldNum($vs_table, $vs_field);
                                     $vs_fld_num = 'I' . $vn_fld_num;
                                     if (!strlen($vn_fld_num)) {
                                         $t_element = new ca_metadata_elements();
                                         if ($t_element->load(array('element_code' => $vs_sub_field ? $vs_sub_field : $vs_field))) {
                                             $vn_fld_num = $t_element->getPrimaryKey();
                                             $vs_fld_num = 'A' . $vn_fld_num;
                                             if (!$vb_is_blank_search) {
                                                 //

 /**
  * Return list of items from the specified table that are related to the current browse set. This is the method that actually
  * pulls the facet content, regardless of whether the facet is cached yet or not. If you want to use the facet cache, call
  * BrowseEngine::getFacet()
  *
  * @see BrowseEngine::getFacet()
  * Options:
  *		checkAccess = array of access values to filter facets that have an 'access' field by
  *		checkAvailabilityOnly = if true then content is not actually fetch - only the availablility of content is verified
  *		user_id = If set item level access control is performed relative to specified user_id, otherwise defaults to logged in user
  */
 public function getFacetContent($ps_facet_name, $pa_options = null)
 {
     global $AUTH_CURRENT_USER_ID;
     $vs_browse_table_name = $this->ops_browse_table_name;
     $vs_browse_table_num = $this->opn_browse_table_num;
     $vn_user_id = isset($pa_options['user_id']) && (int) $pa_options['user_id'] ? (int) $pa_options['user_id'] : (int) $AUTH_CURRENT_USER_ID;
     $vb_show_if_no_acl = (bool) ($this->opo_config->get('default_item_access_level') > __CA_ACL_NO_ACCESS__);
     $t_user = new ca_users($vn_user_id);
     if (is_array($va_groups = $t_user->getUserGroups()) && sizeof($va_groups)) {
         $va_group_ids = array_keys($va_groups);
     } else {
         $va_group_ids = array();
     }
     if (!is_array($this->opa_browse_settings)) {
         return null;
     }
     if (!isset($this->opa_browse_settings['facets'][$ps_facet_name])) {
         return null;
     }
     if (!is_array($pa_options)) {
         $pa_options = array();
     }
     $vb_check_availability_only = isset($pa_options['checkAvailabilityOnly']) ? (bool) $pa_options['checkAvailabilityOnly'] : false;
     $va_all_criteria = $this->getCriteria();
     $va_criteria = $this->getCriteria($ps_facet_name);
     $va_facet_info = $this->opa_browse_settings['facets'][$ps_facet_name];
     $t_subject = $this->getSubjectInstance();
     if ($va_facet_info['relative_to']) {
         $vs_browse_table_name = $va_facet_info['relative_to'];
         $vs_browse_table_num = $this->opo_datamodel->getTableNum($vs_browse_table_name);
     }
     $vs_browse_type_limit_sql = '';
     if (($va_browse_type_ids = $this->getTypeRestrictionList()) && sizeof($va_browse_type_ids)) {
         // type restrictions
         $vs_browse_type_limit_sql = '(' . $t_subject->tableName() . '.' . $t_subject->getTypeFieldName() . ' IN (' . join(', ', $va_browse_type_ids) . ')' . ($t_subject->getFieldInfo('type_id', 'IS_NULL') ? " OR (" . $this->ops_browse_table_name . '.' . $t_subject->getTypeFieldName() . " IS NULL)" : '') . ')';
         if (is_array($va_facet_info['type_restrictions'])) {
             // facet type restrictions bind a facet to specific types; we check them here
             $va_restrict_to_types = $this->_convertTypeCodesToIDs($va_facet_info['type_restrictions']);
             $vb_is_ok_to_browse = false;
             foreach ($va_browse_type_ids as $vn_type_id) {
                 if (in_array($vn_type_id, $va_restrict_to_types)) {
                     $vb_is_ok_to_browse = true;
                     break;
                 }
             }
             if (!$vb_is_ok_to_browse) {
                 return array();
             }
         }
     }
     // Values to exclude from list attributes and authorities; can be idnos or ids
     $va_exclude_values = caGetOption('exclude_values', $va_facet_info, array(), array('castTo' => 'array'));
     $va_results = $this->opo_ca_browse_cache->getResults();
     $vb_single_value_is_present = false;
     $vs_single_value = isset($va_facet_info['single_value']) ? $va_facet_info['single_value'] : null;
     $va_wheres = array();
     switch ($va_facet_info['type']) {
         # -----------------------------------------------------
         case 'has':
             $vn_state = null;
             if (isset($va_all_criteria[$ps_facet_name])) {
                 break;
             }
             // only one instance of this facet allowed per browse
             if (!($t_item = $this->opo_datamodel->getInstanceByTableName($vs_browse_table_name, true))) {
                 break;
             }
             $vs_yes_text = isset($va_facet_info['label_yes']) && $va_facet_info['label_yes'] ? $va_facet_info['label_yes'] : _t('Yes');
             $vs_no_text = isset($va_facet_info['label_no']) && $va_facet_info['label_no'] ? $va_facet_info['label_no'] : _t('No');
             $va_facet_values = array('yes' => array('id' => 1, 'label' => $vs_yes_text), 'no' => array('id' => 0, 'label' => $vs_no_text));
             // Actually check that both yes and no values will result in something
             if ($va_facet_info['element_code']) {
                 $t_element = new ca_metadata_elements();
                 if (!$t_element->load(array('element_code' => $va_facet_info['element_code']))) {
                     break;
                 }
                 $vs_element_code = $va_facet_info['element_code'];
                 $va_facet = array();
                 $va_counts = array();
                 foreach ($va_facet_values as $vs_state_name => $va_state_info) {
                     $va_wheres = array();
                     $va_joins = array();
                     if (!(bool) $va_state_info['id']) {
                         // no option
                         $va_wheres[] = $this->ops_browse_table_name . '.' . $t_item->primaryKey() . " NOT IN (select row_id from ca_attributes where table_num = " . $t_item->tableNum() . " AND element_id = " . $t_element->getPrimaryKey() . ")";
                     } else {
                         // yes option
                         $va_joins[] = "LEFT JOIN ca_attributes AS caa ON  " . $this->ops_browse_table_name . '.' . $t_item->primaryKey() . " = caa.row_id AND " . $t_item->tableNum() . " = caa.table_num";
                         $va_wheres[] = "caa.element_id = " . $t_element->getPrimaryKey();
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                         $va_opts['value'] = array_pop($vs_value);
                     } else {
                         if ($vs_value) {
                             $va_opts['value'] = $vs_value;
                         } else {
                             $va_opts['value'] = null;
                         }
                     }
                 }
                 if ($vs_list_code) {
                     $t_list = new ca_lists();
                     if (!isset($va_opts['value'])) {
                         $va_opts['value'] = -1;
                     }
                     // make sure default list item is never selected
                     $vs_select_element = $t_list->getListAsHTMLFormElement($vs_list_code, $vs_input_name, $va_attr, $va_opts);
                 } else {
                     if (!isset($va_opts['value'])) {
                         $va_opts['value'] = -1;
                     }
                     // make sure default list item is never selected
                     $vs_select_element = caHTMLSelect($vs_input_name, $va_rel_opts, $va_attr, $va_opts);
                 }
             } else {
                 if (strlen($va_properties['showSortableBundlesFor']) > 0) {
                     require_once __CA_MODELS_DIR__ . '/ca_metadata_elements.php';
                     $o_dm = Datamodel::load();
                     if (!($t_rel = $o_dm->getInstanceByTableName($va_properties['showSortableBundlesFor'], true))) {
                         break;
                     }
                     $va_elements = ca_metadata_elements::getSortableElements($va_properties['showSortableBundlesFor']);
                     $va_select_opts = array(_t('User defined sort order') => '', _t('Order created') => 'relation_id', _t('Preferred label') => $va_properties['showSortableBundlesFor'] . ".preferred_labels." . $t_rel->getLabelDisplayField());
                     foreach ($va_elements as $vn_element_id => $va_element) {
                         if (!$va_element['display_label']) {
                             continue;
                         }
                         $va_select_opts[_t('Element: %1', $va_element['display_label'])] = $va_properties['showSortableBundlesFor'] . "." . $va_element['element_code'];
                     }
                     $va_opts = array('id' => $vs_input_id, 'width' => $vn_width, 'height' => $vn_height, 'value' => is_array($vs_value) ? $vs_value[0] : $vs_value, 'values' => is_array($vs_value) ? $vs_value : array($vs_value));
                     $vs_select_element = caHTMLSelect($vs_input_name, $va_select_opts, array(), $va_opts);
                 } elseif ((int) $va_properties['showSortableElementsFor'] > 0) {
                     require_once __CA_MODELS_DIR__ . '/ca_metadata_elements.php';
                     $t_element = new ca_metadata_elements($va_properties['showSortableElementsFor']);
                     if (!$t_element->getPrimaryKey()) {
                         return '';
                     }
                     $va_elements = $t_element->getElementsInSet();
                     $va_select_opts = array(_t('Order created') => '');
                     foreach ($va_elements as $vn_i => $va_element) {
                         if ((int) $va_element['element_id'] == (int) $va_properties['showSortableElementsFor']) {
                             continue;
                         }
                         if (!$va_element['display_label']) {
                             continue;
                         }
                         $va_select_opts[_t('Element: %1', $va_element['display_label'])] = $va_element['element_code'];
                     }
                     $va_opts = array('id' => $vs_input_id, 'width' => $vn_width, 'height' => $vn_height, 'value' => is_array($vs_value) ? $vs_value[0] : $vs_value, 'values' => is_array($vs_value) ? $vs_value : array($vs_value));
                     $vs_select_element = caHTMLSelect($vs_input_name, $va_select_opts, array(), $va_opts);
                 } elseif ((int) $va_properties['showMetadataElementsWithDataType'] > 0) {
                     require_once __CA_MODELS_DIR__ . '/ca_metadata_elements.php';
                     $va_rep_elements = ca_metadata_elements::getElementsAsList(true, $va_properties['table'], null, true, false, true, array($va_properties['showMetadataElementsWithDataType']));
                     if (is_array($va_rep_elements)) {
                         $va_select_opts = array();
                         foreach ($va_rep_elements as $vs_element_code => $va_element_info) {
                             $va_select_opts[$va_element_info['display_label']] = $vs_element_code;
                         }
                         $va_opts = array('id' => $vs_input_id, 'width' => $vn_width, 'height' => $vn_height, 'value' => is_array($vs_value) ? $vs_value[0] : $vs_value, 'values' => is_array($vs_value) ? $vs_value : array($vs_value));
                         $vs_select_element = caHTMLSelect($vs_input_name, $va_select_opts, array(), $va_opts);
                     }
                 } else {
                     // Regular drop-down with configured options
                     if ($vn_height > 1) {
                         $va_attr['multiple'] = 1;
                         $vs_input_name .= '[]';
                     }
                     $va_opts = array('id' => $vs_input_id, 'width' => $vn_width, 'height' => $vn_height, 'value' => is_array($vs_value) ? $vs_value[0] : $vs_value, 'values' => is_array($vs_value) ? $vs_value : array($vs_value));
                     if (!isset($va_opts['value'])) {
                         $va_opts['value'] = -1;
                     }
                     // make sure default list item is never selected
                     $vs_select_element = caHTMLSelect($vs_input_name, $va_properties['options'], array(), $va_opts);
                 }
             }
             if ($vs_select_element) {
                 $vs_return .= $vs_select_element;
             } else {
                 return '';
             }
             break;
             # --------------------------------------------
         # --------------------------------------------
         default:
             break;
             # --------------------------------------------
     }
     $vs_return .= '</div>' . "\n";
     TooltipManager::add('.' . $vs_label_id, "<h3>" . $va_properties["label"] . "</h3>" . $va_properties["description"]);
     return $vs_return;
 }

 private static function getElementType($pa_element_info)
 {
     $va_table_fields = $va_element_opts = array();
     $vn_element_id = $pa_element_info['element_id'];
     switch ($pa_element_info['datatype']) {
         case 0:
             //container
             /* Retrieve child elements of the container. */
             $t_element = new ca_metadata_elements((int) $pa_element_info['element_id']);
             if ($t_element->getPrimaryKey()) {
                 $va_children = $t_element->getElementsInSet();
                 foreach ($va_children as $va_child) {
                     if ($va_child['element_id'] == $vn_element_id) {
                         continue;
                     }
                     $va_table_fields += SolrConfiguration::getElementType($va_child);
                 }
             }
             break;
         case 1:
             // text
         // text
         case 3:
             // list
         // list
         case 5:
             // url
         // url
         case 6:
             // currency
         // currency
         case 8:
             // length
         // length
         case 9:
             // weight
         // weight
         case 13:
             // LCSH
         // LCSH
         case 14:
             // geonames
         // geonames
         case 15:
             // file
         // file
         case 16:
             // media
         // media
         case 19:
             // taxonomy
         // taxonomy
         case 20:
             // information service
             $va_element_opts['type'] = 'text';
             break;
         case 2:
             // daterange
             $va_element_opts['type'] = 'daterange';
             $va_table_fields['_ca_attribute_' . $vn_element_id . '_text'] = array('type' => 'text');
             break;
         case 4:
             // geocode
             $va_element_opts['type'] = 'geocode';
             $va_table_fields['_ca_attribute_' . $vn_element_id . '_text'] = array('type' => 'text');
             break;
         case 10:
             // timecode
         // timecode
         case 12:
             // numeric/float
             $va_element_opts['type'] = 'float';
             break;
         case 11:
             // integer
             $va_element_opts['type'] = 'int';
             break;
         default:
             $va_element_opts['type'] = 'text';
             break;
     }
     $va_table_fields['_ca_attribute_' . $vn_element_id] = $va_element_opts;
     return $va_table_fields;
 }

 private function _getMetadataElement($ps_element_code)
 {
     if (isset(WLPlugSearchEngineSolr::$s_element_code_cache[$ps_element_code])) {
         return WLPlugSearchEngineSolr::$s_element_code_cache[$ps_element_code];
     }
     $t_element = new ca_metadata_elements($ps_element_code);
     if (!($vn_element_id = $t_element->getPrimaryKey())) {
         return WLPlugSearchEngineSolr::$s_element_code_cache[$ps_element_code] = null;
     }
     return WLPlugSearchEngineSolr::$s_element_code_cache[$ps_element_code] = array('element_id' => $vn_element_id, 'element_code' => $t_element->get('element_code'), 'datatype' => $t_element->get('datatype'));
 }

 /**
  * @param $pa_hits Array of row_ids to sort. *MUST HAVE row_ids AS KEYS, NOT VALUES*
  */
 public function sortHits($pa_hits, $ps_field, $ps_direction = 'asc', $pa_options = null)
 {
     if (!in_array(strtolower($ps_direction), array('asc', 'desc'))) {
         $ps_direction = 'asc';
     }
     if (!is_array($pa_hits) || !sizeof($pa_hits)) {
         return $pa_hits;
     }
     $vs_search_tmp_table = $this->loadListIntoTemporaryResultTable($pa_hits, $pa_options['search']);
     $t_table = $this->opo_datamodel->getInstanceByTableNum($this->opn_tablenum, true);
     $vs_table_pk = $t_table->primaryKey();
     $vs_table_name = $this->ops_tablename;
     $va_fields = explode(';', $ps_field);
     $va_sorted_hits = array();
     $vn_num_locales = ca_locales::numberOfCataloguingLocales();
     foreach ($va_fields as $vs_field) {
         $va_joins = $va_orderbys = array();
         $vs_locale_where = $vs_is_preferred_sql = '';
         $va_tmp = explode('.', $vs_field);
         // Rewrite for <table>.preferred_labels.* syntax
         if ($va_tmp[1] == 'preferred_labels') {
             if ($t_labeled_item_table = $this->opo_datamodel->getInstanceByTableName($va_tmp[0], true)) {
                 if ($t_label_table = $t_labeled_item_table->getLabelTableInstance()) {
                     $va_tmp2 = array($t_label_table->tableName());
                     if (isset($va_tmp[2]) && $t_label_table->hasField($va_tmp[2])) {
                         $va_tmp2[] = $va_tmp[2];
                     } else {
                         $va_tmp2[] = $t_labeled_item_table->getLabelDisplayField();
                     }
                     $va_tmp = $va_tmp2;
                     $vs_field = join(".", $va_tmp);
                 }
             }
         }
         if ($va_tmp[0] == $vs_table_name) {
             //
             // sort field is in search table
             //
             if (!$t_table->hasField($va_tmp[1])) {
                 //
                 // is it an attribute?
                 //
                 $t_element = new ca_metadata_elements();
                 $vs_sort_element_code = array_pop($va_tmp);
                 if ($t_element->load(array('element_code' => $vs_sort_element_code))) {
                     $vn_element_id = $t_element->getPrimaryKey();
                     if (!($vs_sortable_value_fld = Attribute::getSortFieldForDatatype($t_element->get('datatype')))) {
                         return $pa_hits;
                     }
                     if ((int) $t_element->get('datatype') == 3) {
                         $vs_sortable_value_fld = 'lil.name_plural';
                         $vs_sort_field = array_pop(explode('.', $vs_sortable_value_fld));
                         $vs_locale_where = $vn_num_locales > 1 ? ', lil.locale_id' : '';
                         $vs_sql = "\n\t\t\t\t\t\t\t\tSELECT attr.row_id, lil.locale_id, lower({$vs_sortable_value_fld}) {$vs_sort_field}\n\t\t\t\t\t\t\t\tFROM ca_attributes attr\n\t\t\t\t\t\t\t\tINNER JOIN ca_attribute_values AS attr_vals ON attr_vals.attribute_id = attr.attribute_id\n\t\t\t\t\t\t\t\tINNER JOIN ca_list_item_labels AS lil ON lil.item_id = attr_vals.item_id\n\t\t\t\t\t\t\t\tINNER JOIN {$vs_browse_tmp_table} ON {$vs_browse_tmp_table}.row_id = attr.row_id\n\t\t\t\t\t\t\t\tWHERE\n\t\t\t\t\t\t\t\t\t(attr_vals.element_id = ?) AND (attr.table_num = ?) AND (lil.{$vs_sort_field} IS NOT NULL)\n\t\t\t\t\t\t\t\tORDER BY lil.{$vs_sort_field}\n\t\t\t\t\t\t\t";
                     } else {
                         $vs_sortable_value_fld = 'attr_vals.' . $vs_sortable_value_fld;
                         $vs_sort_field = array_pop(explode('.', $vs_sortable_value_fld));
                         $vs_locale_where = $vn_num_locales > 1 ? 'attr.locale_id' : '';
                         $vs_sql = "\n\t\t\t\t\t\t\t\tSELECT attr.row_id, attr.locale_id, lower({$vs_sortable_value_fld}) {$vs_sort_field}\n\t\t\t\t\t\t\t\tFROM ca_attributes attr\n\t\t\t\t\t\t\t\tINNER JOIN ca_attribute_values AS attr_vals ON attr_vals.attribute_id = attr.attribute_id\n\t\t\t\t\t\t\t\tINNER JOIN {$vs_search_tmp_table} ON {$vs_search_tmp_table}.row_id = attr.row_id\n\t\t\t\t\t\t\t\tWHERE\n\t\t\t\t\t\t\t\t\t(attr_vals.element_id = ?) AND (attr.table_num = ?) AND (attr_vals.{$vs_sort_field} IS NOT NULL)\n\t\t\t\t\t\t\t\tORDER BY attr_vals.{$vs_sort_field}\n\t\t\t\t\t\t\t";
                         //print $vs_sql." ; $vn_element_id/; ".$this->opn_tablenum."<br>";
                     }
                     $qr_sort = $this->opo_db->query($vs_sql, (int) $vn_element_id, (int) $this->opn_tablenum);
                     while ($qr_sort->nextRow()) {
                         $va_row = $qr_sort->getRow();
                         if (!$va_row['row_id']) {
                             continue;
                         }
                         if ($vn_num_locales > 1) {
                             $va_sorted_hits[$va_row['row_id']][$va_row['locale_id']] .= trim(str_replace(array("'", '"'), array('', ''), $va_row[$vs_sort_field]));
                         } else {
                             $va_sorted_hits[$va_row['row_id']] .= trim(str_replace(array("'", '"'), array('', ''), $va_row[$vs_sort_field]));
                         }
                         unset($pa_hits[$va_row['row_id']]);
                     }
                     // Add on hits that aren't sorted because they don't have an attribute associated
                     foreach ($pa_hits as $vn_id => $va_row) {
                         if (!is_array($va_row)) {
                             $va_row = array();
                         }
                         if ($vn_num_locales > 1) {
                             $va_sorted_hits[$vn_id][1] = $va_row;
                         } else {
                             $va_sorted_hits[$vn_id] = $va_row;
                         }
                     }
                 }
                 continue;
             } else {
                 $va_field_info = $t_table->getFieldInfo($va_tmp[1]);
                 if ($va_field_info['START'] && $va_field_info['END']) {
                     $va_orderbys[] = $va_field_info['START'] . ' ' . $ps_direction;
                     $va_orderbys[] = $va_field_info['END'] . ' ' . $ps_direction;
                 } else {
                     $va_orderbys[] = $vs_field . ' ' . $ps_direction;
                 }
                 if ($t_table->hasField('locale_id')) {
                     $vs_locale_where = ", " . $vs_table_name . ".locale_id";
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                                             }
                                             $va_ft_stem_terms[] = "'" . $this->opo_db->escape($vs_stem) . "'";
                                         } else {
                                             $va_ft_terms[] = '"' . $this->opo_db->escape($vs_term) . '"';
                                         }
                                     } else {
                                         $va_ft_terms[] = '"' . $this->opo_db->escape($vs_term) . '"';
                                     }
                                 }
                                 $vb_output_term = true;
                             }
                             if ($vb_output_term) {
                                 $va_raw_terms[] = $vs_term;
                             }
                         }
                         break;
                 }
                 $vs_fld_num = $vs_table_num = $t_table = null;
                 $vb_ft_bit_optimization = false;
                 if ($vs_access_point) {
                     list($vs_table, $vs_field, $vs_sub_field) = explode('.', $vs_access_point);
                     if (in_array($vs_table, array('created', 'modified'))) {
                         $o_tep = new TimeExpressionParser();
                         $vs_date = join(' ', $va_raw_terms);
                         if (!$o_tep->parse($vs_date)) {
                             break;
                         }
                         $va_range = $o_tep->getUnixTimestamps();
                         $vn_user_id = null;
                         if ($vs_field = trim($vs_field)) {
                             if (!is_int($vs_field)) {
                                 $t_user = new ca_users();
                                 if ($t_user->load(array("user_name" => $vs_field))) {
                                     $vn_user_id = (int) $t_user->getPrimaryKey();
                                 }
                             } else {
                                 $vn_user_id = (int) $vs_field;
                             }
                         }
                         $vs_user_sql = $vn_user_id ? " AND (ccl.user_id = " . (int) $vn_user_id . ")" : "";
                         switch ($vs_table) {
                             case 'created':
                                 $vs_direct_sql_query = "\n\t\t\t\t\t\t\t\t\t\t\tSELECT ccl.logged_row_id row_id, 1\n\t\t\t\t\t\t\t\t\t\t\tFROM ca_change_log ccl\n\t\t\t\t\t\t\t\t\t\t\tWHERE\n\t\t\t\t\t\t\t\t\t\t\t\t(ccl.log_datetime BETWEEN " . (int) $va_range['start'] . " AND " . (int) $va_range['end'] . ")\n\t\t\t\t\t\t\t\t\t\t\t\tAND\n\t\t\t\t\t\t\t\t\t\t\t\t(ccl.logged_table_num = ?)\n\t\t\t\t\t\t\t\t\t\t\t\tAND\n\t\t\t\t\t\t\t\t\t\t\t\t(ccl.changetype = 'I')\n\t\t\t\t\t\t\t\t\t\t\t\t{$vs_user_sql}\n\t\t\t\t\t\t\t\t\t\t";
                                 break;
                             case 'modified':
                                 $vs_direct_sql_query = "\n\t\t\t\t\t\t\t\t\t\t\tSELECT ccl.logged_row_id row_id, 1\n\t\t\t\t\t\t\t\t\t\t\tFROM ca_change_log ccl\n\t\t\t\t\t\t\t\t\t\t\tWHERE\n\t\t\t\t\t\t\t\t\t\t\t\t(ccl.log_datetime BETWEEN " . (int) $va_range['start'] . " AND " . (int) $va_range['end'] . ")\n\t\t\t\t\t\t\t\t\t\t\t\tAND\n\t\t\t\t\t\t\t\t\t\t\t\t(ccl.logged_table_num = ?)\n\t\t\t\t\t\t\t\t\t\t\t\tAND\n\t\t\t\t\t\t\t\t\t\t\t\t(ccl.changetype = 'U')\n\t\t\t\t\t\t\t\t\t\t\t\t{$vs_user_sql}\n\t\t\t\t\t\t\t\t\t\tUNION\n\t\t\t\t\t\t\t\t\t\t\tSELECT ccls.subject_row_id row_id, 1\n\t\t\t\t\t\t\t\t\t\t\tFROM ca_change_log ccl\n\t\t\t\t\t\t\t\t\t\t\tINNER JOIN ca_change_log_subjects AS ccls ON ccls.log_id = ccl.log_id\n\t\t\t\t\t\t\t\t\t\t\tWHERE\n\t\t\t\t\t\t\t\t\t\t\t\t(ccl.log_datetime BETWEEN " . (int) $va_range['start'] . " AND " . (int) $va_range['end'] . ")\n\t\t\t\t\t\t\t\t\t\t\t\tAND\n\t\t\t\t\t\t\t\t\t\t\t\t(ccls.subject_table_num = {$pn_subject_tablenum})\n\t\t\t\t\t\t\t\t\t\t\t\t{$vs_user_sql}\n\t\t\t\t\t\t\t\t\t\t";
                                 break;
                         }
                     } else {
                         if ($vs_table && $vs_field && ($t_table = $this->opo_datamodel->getInstanceByTableName($vs_table, true))) {
                             $vs_table_num = $t_table->tableNum();
                             if (is_numeric($vs_field)) {
                                 $vs_fld_num = 'I' . $vs_field;
                                 $vn_fld_num = (int) $vs_field;
                             } else {
                                 $vn_fld_num = $this->getFieldNum($vs_table, $vs_field);
                                 $vs_fld_num = 'I' . $vn_fld_num;
                                 $vn_direct_sql_target_table_num = $vs_table_num;
                                 if (!strlen($vn_fld_num)) {
                                     $t_element = new ca_metadata_elements();
                                     if ($t_element->load(array('element_code' => $vs_sub_field ? $vs_sub_field : $vs_field))) {
                                         $va_indexed_fields = $o_base->getFieldsToIndex($pn_subject_tablenum, $vn_direct_sql_target_table_num);
                                         $vn_fld_num = $t_element->getPrimaryKey();
                                         $vn_root_element_id = $t_element->get('hier_element_id');
                                         if (!isset($va_indexed_fields['_ca_attribute_' . $vn_fld_num]) && (!$vn_root_element_id || $vn_root_element_id && !isset($va_indexed_fields['_ca_attribute_' . $vn_root_element_id]))) {
                                             break 2;

 /**
  *
  */
 public static function getElementInstance($pm_element_code_or_id)
 {
     if (isset(ca_attributes::$s_ca_attributes_element_instance_cache[$pm_element_code_or_id])) {
         return ca_attributes::$s_ca_attributes_element_instance_cache[$pm_element_code_or_id];
     }
     //require_once(__CA_MODELS_DIR__.'/ca_metadata_elements.php');	// defer inclusion until runtime to ensure baseclasses are already loaded, otherwise you get circular dependencies
     $t_element = new ca_metadata_elements();
     if (!is_numeric($pm_element_code_or_id)) {
         if ($t_element->load(array('element_code' => $pm_element_code_or_id))) {
             return ca_attributes::$s_ca_attributes_element_instance_cache[$pm_element_code_or_id] = ca_attributes::$s_ca_attributes_element_instance_cache[$t_element->getPrimaryKey()] = $t_element;
         }
     }
     if ($t_element->load($pm_element_code_or_id)) {
         return ca_attributes::$s_ca_attributes_element_instance_cache[$pm_element_code_or_id] = $t_element;
     } else {
         //$this->postError(1950, _t("Element code or id is invalid"), "ca_attributes::getElementInstance()");
         return false;
     }
 }

 /**
  *
  */
 public function sortHits(&$pa_hits, $ps_table, $ps_field, $ps_key, $ps_direction = 'asc', $pa_options = null)
 {
     //$t= new Timer();
     $vs_browse_tmp_table = $this->loadListIntoTemporaryResultTable($pa_hits, $ps_key);
     if (!in_array(strtolower($ps_direction), array('asc', 'desc'))) {
         $ps_direction = 'asc';
     }
     if (!is_array($pa_hits) || !sizeof($pa_hits)) {
         return $pa_hits;
     }
     $t_table = $this->opo_datamodel->getInstanceByTableName($ps_table, true);
     $vs_table_pk = $t_table->primaryKey();
     $vn_table_num = $t_table->tableNum();
     $va_sort_tmp = explode('/', $ps_field);
     $ps_field = $va_sort_tmp[0];
     $vs_rel_type = sizeof($va_sort_tmp) > 1 ? $va_sort_tmp[1] : null;
     $va_fields = explode(';', $ps_field);
     $va_sorted_hits = array();
     $va_joins = array();
     $vs_locale_where = $vs_is_preferred_sql = '';
     $vs_primary_sort_field = array_shift($va_fields);
     $va_primary_sort_field = explode('.', $vs_primary_sort_field);
     $va_additional_sort_fields = array();
     foreach ($va_fields as $vs_additional_sort_field) {
         $va_tmp = explode('.', $vs_additional_sort_field);
         if ($va_tmp[0] == $va_primary_sort_field[0]) {
             $va_additional_sort_fields[] = $va_tmp;
         }
     }
     if ($va_primary_sort_field[0] == $ps_table) {
         //
         // sort field is in search table
         //
         if (!$t_table->hasField($va_primary_sort_field[1])) {
             //
             // is it an attribute?
             //
             $t_element = new ca_metadata_elements();
             $vs_sort_element_code = array_pop($va_primary_sort_field);
             if ($t_element->load(array('element_code' => $vs_sort_element_code))) {
                 $vn_element_id = $t_element->getPrimaryKey();
                 if (!($vs_sortable_value_fld = Attribute::getSortFieldForDatatype($t_element->get('datatype')))) {
                     return $pa_hits;
                 }
                 if ((int) $t_element->get('datatype') == __CA_ATTRIBUTE_VALUE_LIST__) {
                     $vs_sortable_value_fld = 'lil.name_plural';
                     $vs_sort_field = array_pop(explode('.', $vs_sortable_value_fld));
                     $vs_sql = "\n\t\t\t\t\t\t\t\tSELECT attr.row_id, lil.locale_id, lower({$vs_sortable_value_fld}) {$vs_sort_field}\n\t\t\t\t\t\t\t\tFROM ca_attributes attr\n\t\t\t\t\t\t\t\tINNER JOIN ca_attribute_values AS attr_vals ON attr_vals.attribute_id = attr.attribute_id\n\t\t\t\t\t\t\t\tINNER JOIN ca_list_item_labels AS lil ON lil.item_id = attr_vals.item_id\n\t\t\t\t\t\t\t\tINNER JOIN {$vs_browse_tmp_table} ON {$vs_browse_tmp_table}.row_id = attr.row_id\n\t\t\t\t\t\t\t\tWHERE\n\t\t\t\t\t\t\t\t\t(attr_vals.element_id = ?) AND (attr.table_num = ?) AND (lil.{$vs_sort_field} IS NOT NULL)\n\t\t\t\t\t\t\t\tORDER BY lil.{$vs_sort_field} {$ps_direction}\n\t\t\t\t\t\t\t";
                 } elseif ((int) $t_element->get('datatype') == __CA_ATTRIBUTE_VALUE_DATERANGE__) {
                     $vs_sortable_value_fld = 'attr_vals.' . $vs_sortable_value_fld;
                     $vs_sort_field = array_pop(explode('.', $vs_sortable_value_fld));
                     $vs_sql = "\n\t\t\t\t\t\t\t\tSELECT attr.row_id, attr.locale_id, {$vs_sortable_value_fld}\n\t\t\t\t\t\t\t\tFROM ca_attributes attr\n\t\t\t\t\t\t\t\tINNER JOIN ca_attribute_values AS attr_vals ON attr_vals.attribute_id = attr.attribute_id\n\t\t\t\t\t\t\t\tINNER JOIN {$vs_browse_tmp_table} ON {$vs_browse_tmp_table}.row_id = attr.row_id\n\t\t\t\t\t\t\t\tWHERE\n\t\t\t\t\t\t\t\t\t(attr_vals.element_id = ?) AND (attr.table_num = ?) AND (attr_vals.{$vs_sort_field} IS NOT NULL)\n\t\t\t\t\t\t\t\tORDER BY attr_vals.{$vs_sort_field} {$ps_direction}, attr.row_id\n\t\t\t\t\t\t\t";
                 } else {
                     $vs_sortable_value_fld = 'attr_vals.' . $vs_sortable_value_fld;
                     $vs_sort_field = array_pop(explode('.', $vs_sortable_value_fld));
                     $vs_sql = "\n\t\t\t\t\t\t\t\tSELECT attr.row_id, attr.locale_id, lower({$vs_sortable_value_fld}) {$vs_sort_field}\n\t\t\t\t\t\t\t\tFROM ca_attributes attr\n\t\t\t\t\t\t\t\tINNER JOIN ca_attribute_values AS attr_vals ON attr_vals.attribute_id = attr.attribute_id\n\t\t\t\t\t\t\t\tINNER JOIN {$vs_browse_tmp_table} ON {$vs_browse_tmp_table}.row_id = attr.row_id\n\t\t\t\t\t\t\t\tWHERE\n\t\t\t\t\t\t\t\t\t(attr_vals.element_id = ?) AND (attr.table_num = ?) AND (attr_vals.{$vs_sort_field} IS NOT NULL)\n\t\t\t\t\t\t\t\tORDER BY attr_vals.{$vs_sort_field} {$ps_direction}, attr.row_id\n\t\t\t\t\t\t\t";
                 }
                 $qr_sort = $this->opo_db->query($vs_sql, (int) $vn_element_id, (int) $vn_table_num);
                 $va_sorted_hits = $qr_sort->getAllFieldValues('row_id');
                 // Add on hits that aren't sorted because they don't have an attribute associated
                 $va_missing_items = array_diff($pa_hits, $va_sorted_hits);
                 $va_sorted_hits = array_merge($va_sorted_hits, $va_missing_items);
             }
             return $va_sorted_hits;
         } else {
             $va_field_info = $t_table->getFieldInfo($va_primary_sort_field[1]);
             if ($va_field_info['START'] && $va_field_info['END']) {
                 $vs_sortable_value_fld = $vs_primary_sort_field;
                 $va_additional_sort_fields[] = $va_field_info['END'];
             } else {
                 $vs_sortable_value_fld = $vs_primary_sort_field;
             }
         }
     } else {
         // sort field is in related table
         $va_path = $this->opo_datamodel->getPath($ps_table, $va_primary_sort_field[0]);
         if (sizeof($va_path) > 2) {
             // many-many
             $vs_last_table = null;
             // generate related joins
             foreach ($va_path as $vs_table => $va_info) {
                 $t_table = $this->opo_datamodel->getInstanceByTableName($vs_table, true);
                 $vs_rel_type_sql = null;
                 if ($t_table->isRelationship() && $vs_rel_type) {
                     if (is_array($va_rel_types = caMakeRelationshipTypeIDList($vs_table, array($vs_rel_type))) && sizeof($va_rel_types)) {
                         $vs_rel_type_sql = " AND {$vs_table}.type_id IN (" . join(",", $va_rel_types) . ")";
                     }
                 }
                 if ($vs_last_table) {
                     $va_rels = $this->opo_datamodel->getOneToManyRelations($vs_last_table, $vs_table);
                     if (!sizeof($va_rels)) {
                         $va_rels = $this->opo_datamodel->getOneToManyRelations($vs_table, $vs_last_table);
                     }
                     if ($vs_table == $va_rels['one_table']) {
                         $va_joins[$vs_table] = "INNER JOIN " . $va_rels['one_table'] . " ON " . $va_rels['one_table'] . "." . $va_rels['one_table_field'] . " = " . $va_rels['many_table'] . "." . $va_rels['many_table_field'] . $vs_rel_type_sql;
                     } else {
                         $va_joins[$vs_table] = "INNER JOIN " . $va_rels['many_table'] . " ON " . $va_rels['many_table'] . "." . $va_rels['many_table_field'] . " = " . $va_rels['one_table'] . "." . $va_rels['one_table_field'] . $vs_rel_type_sql;
//.........这里部分代码省略.........

 /**
  * Fetch details on an item from a remote data source and output results of the 'display' key in the response.
  *
  */
 public function GetDetail()
 {
     $pn_element_id = $this->request->getParameter('element_id', pInteger);
     $t_element = new ca_metadata_elements($pn_element_id);
     $va_data = array();
     if (!$t_element->getPrimaryKey()) {
         // error
         $va_items['error'] = array('label' => _t('ERROR: Invalid element_id'), 'idno' => '');
     } else {
         $vs_service = $t_element->getSetting('service');
         $va_settings = $t_element->getSettings();
         $pn_attribute_id = $this->request->getParameter('id', pInteger);
         $t_attr_val = new ca_attribute_values();
         if ($t_attr_val->load(array('attribute_id' => $pn_attribute_id, 'element_id' => $pn_element_id))) {
             $t_attr = new ca_attributes();
             if ($t_attr->load($pn_attribute_id)) {
                 if (!caCanRead($this->request->getUserID(), $t_attr->get('table_num'), $t_attr->get('row_id'), $t_element->get('element_code'))) {
                     $va_items['error'] = array('label' => _t('ERROR: You do not have access to this item'), 'idno' => '');
                 } else {
                     $vs_url = $t_attr_val->get('value_longtext2');
                     if (!($o_plugin = InformationServiceManager::getInformationServiceInstance($vs_service))) {
                         $va_items['error'] = array('label' => _t('ERROR: Invalid service'), 'idno' => '');
                     } else {
                         $vs_cache_key = md5(print_r($va_settings, true) . $vs_url);
                         if (CompositeCache::contains($vs_cache_key, 'InformationServiceExtendedInfo')) {
                             $va_data = CompositeCache::fetch($vs_cache_key, 'InformationServiceExtendedInfo');
                         } else {
                             $va_data = $o_plugin->getExtendedInformation($va_settings, $vs_url);
                             CompositeCache::save($vs_cache_key, $va_data, 'InformationServiceExtendedInfo');
                         }
                     }
                 }
             }
         }
     }
     $this->view->setVar('detail', $va_data);
     return $this->render('ajax_information_service_detail_html.php');
 }

 /**
  * 
  */
 public static function getInstance($pm_element_code_or_id)
 {
     if (isset(ca_metadata_elements::$s_element_instance_cache[$pm_element_code_or_id])) {
         return ca_metadata_elements::$s_element_instance_cache[$pm_element_code_or_id];
     }
     $t_element = new ca_metadata_elements(is_numeric($pm_element_code_or_id) ? $pm_element_code_or_id : null);
     if (!($vn_element_id = $t_element->getPrimaryKey())) {
         if ($t_element->load(array('element_code' => $pm_element_code_or_id))) {
             return ca_metadata_elements::$s_element_instance_cache[$t_element->getPrimaryKey()] = ca_metadata_elements::$s_element_instance_cache[$t_element->get('element_code')] = $t_element;
         }
     } else {
         return ca_metadata_elements::$s_element_instance_cache[$vn_element_id] = ca_metadata_elements::$s_element_instance_cache[$t_element->get('element_code')] = $t_element;
     }
     return null;
 }

 /**
  * 
  */
 public static function getInstance($pm_element_code_or_id)
 {
     if (!$pm_element_code_or_id) {
         return null;
     }
     if (MemoryCache::contains($pm_element_code_or_id, 'ElementInstances')) {
         return MemoryCache::fetch($pm_element_code_or_id, 'ElementInstances');
     }
     $t_element = new ca_metadata_elements(is_numeric($pm_element_code_or_id) ? $pm_element_code_or_id : null);
     if (!($vn_element_id = $t_element->getPrimaryKey())) {
         if ($t_element->load(array('element_code' => $pm_element_code_or_id))) {
             MemoryCache::save($t_element->getPrimaryKey(), $t_element, 'ElementInstances');
             MemoryCache::save($t_element->get('element_code'), $t_element, 'ElementInstances');
             return $t_element;
         }
     } else {
         MemoryCache::save($vn_element_id, $t_element, 'ElementInstances');
         MemoryCache::save($t_element->get('element_code'), $t_element, 'ElementInstances');
         return $t_element;
     }
     return null;
 }