/**
* Parse a source text and return a ConceptSearchSource object if exists.
* @param string $source_text
*/
public function parse($source_text)
{
$matches = array();
if ($source_text == '*') {
$css = new ConceptSearchSource();
$css->setSourceAllDictionaries();
return $css;
} elseif (preg_match('/^(.+):map\\((\\d+)\\)/', $source_text, $matches)) {
$css = $this->getMapSource($matches[2], $matches[1]);
return $css;
} elseif (preg_match('/^list\\((\\d+)\\)/', $source_text, $matches)) {
$css = $this->getConceptList($matches[1]);
return $css;
} else {
$css = $this->getDictionary($source_text);
return $css;
}
return null;
}
/**
* Load concept sets.
* @param ConceptSearchSource $css_dict
* @param ConceptSearch $cs
* @param ConceptCollection $cc
*/
private function _loadConceptSets(ConceptSearchSource $css_dict, ConceptSearch $cs, ConceptCollection $cc)
{
// load the ENTIRE concept set hierarchy for this dictionary source
$sql_concept_set = 'select concept_id, concept_set ' . 'from concept_set ' . 'order by sort_weight';
if ($this->debug) {
echo '<p><b>Loading concept set hierarchy for ' . $css_dict->dict_db . ':</b><br> ' . $sql_concept_set . '</p>';
}
$rsc_concept_set = mysql_query($sql_concept_set, $css_dict->getConnection());
if (!$rsc_concept_set) {
echo "could not query db in ConceptSearchFactory::_loadConceptSets: " . mysql_error();
}
// build the ENTIRE concept set hierarchy for this dictionary source
$arr_child_parent = array();
$arr_parent_child = array();
while ($row = mysql_fetch_assoc($rsc_concept_set)) {
$child_id = $row['concept_id'];
$parent_id = $row['concept_set'];
$arr_child_parent[$child_id][] = $parent_id;
$arr_parent_child[$parent_id][] = $child_id;
}
// add parents to the children for the concepts in this ConceptCollection
foreach (array_keys($arr_child_parent) as $_child_id) {
if (!($_child_concept = $cc->getConcept($_child_id, $css_dict))) {
$_child_concept = new Concept($_child_id);
$_child_concept->display = false;
$_child_concept->css_dict = $css_dict;
$cc->addConcept($_child_concept);
}
foreach ($arr_child_parent[$_child_id] as $_parent_id) {
$_child_concept->addParent($_parent_id);
}
}
// add children to the parents for the concepts in this ConceptCollection
foreach (array_keys($arr_parent_child) as $_parent_id) {
if (!($_parent_concept = $cc->getConcept($_parent_id, $css_dict))) {
$_parent_concept = new Concept($_parent_id);
$_parent_concept->display = false;
$_parent_concept->css_dict = $css_dict;
$cc->addConcept($_parent_concept);
}
foreach ($arr_parent_child[$_parent_id] as $_child_id) {
$_parent_concept->addChild($_child_id);
}
}
}
/**
* Loads the concept classes from the specified dictionary.
* @return ConceptClassCollection
*/
public function loadConceptClasses(ConceptSearchSource $css_dict)
{
// get the data
$sql_classes = 'select concept_class_id, name, description, uuid ' . 'from concept_class ' . 'where retired != 1 ' . 'order by name';
if ($this->debug) {
echo '<p><b>Loading concept classes for <strong>' . $css_dict->dict_db . '</strong>:</b><br> ' . $sql_classes . '</p>';
}
$rsc_classes = mysql_query($sql_classes, $css_dict->getConnection());
if (!$rsc_classes) {
echo "could not query db: " . mysql_error();
}
// Create the class collection
$ccc = new ConceptClassCollection();
while ($row = mysql_fetch_assoc($rsc_classes)) {
$cd = new ConceptClass($row['concept_class_id'], $row['name'], $row['description'], $row['uuid']);
$cd->setSourceDictionary($css_dict);
// $key = '<database_name>:class(<concept_class_id>)
$key = $css_dict->dict_db . ':class(' . $row['concept_class_id'] . ')';
$ccc->Add($key, $cd);
}
return $ccc;
}