/**
* Selector is a string key or an array of keys. Keys may be in one of these formats:
*
* Fully specified Integer: <dictionary_name>:class(<concept_class_id>)
* Fully specified name: <dictionary_name>:class(<concept_class_name>)
* Default dictionary: <concept_class_id>
* Only name: <concept_class_name>
*
* <concept_class_name> must be quoted if it contains non-word characters.
* Note that setDefaultDictionary() must be called if using the default dictionary format.
*/
public function getClasses($selector)
{
$ccc = new ConceptClassCollection();
if (!is_array($selector)) {
$selector = array($selector);
}
foreach ($selector as $key) {
$key = strtolower(trim($key));
// <dictionary_name>:class(<concept_class_id>) OR <dictionary_name>:class(<concept_class_name>)
if (strpos($key, ':class(', 0) !== false && strpos($key, ')', strlen($key) - 1) !== false) {
// Parse out dict_name and class_identifier
$dict_name = trim(substr($key, 0, strpos($key, ':class')));
$class_identifier = trim(substr($key, strlen($dict_name) + strlen(':class('), strlen($key) - strlen($dict_name) - strlen(':class(') - 1));
if (substr($class_identifier, 0, 1) == '"' && substr($class_identifier, strlen($class_identifier) - 1, 1) == '"') {
$class_identifier = trim(substr($class_identifier, 1, strlen($class_identifier) - 2));
}
// <dictionary_name>:class(<concept_class_id>)
if ($this->isInteger($class_identifier)) {
$new_key = $dict_name . ':class(' . $class_identifier . ')';
if ($this->IsMember($new_key)) {
$ccc->Add($new_key, $this->Get($new_key));
}
} else {
foreach ($this->getKeys() as $class_key) {
$class = $this->Get($class_key);
if (strtolower($class->name) == $class_identifier && strtolower($class->getSourceDictionary()->dict_db) == $dict_name) {
$ccc->Add($class_key, $class);
break;
}
}
}
} else {
// <concept_class_id> - this uses the default dictionary setting
if ($this->isInteger($key)) {
// Default dictionary key
if (!$this->css_dict) {
trigger_error('Default dictionary must be set in ConceptClassCollection if using default dictionary format', E_USER_ERROR);
}
$key = $this->css_dict->dict_db . ':class(' . $key . ')';
if ($this->IsMember($key)) {
$ccc->Add($key, $this->Get($key));
}
} else {
foreach ($this->getKeys() as $class_key) {
$class = $this->Get($class_key);
if (strtolower($class->name) == $key) {
$ccc->Add($class_key, $class);
}
}
}
}
}
return $ccc;
}
/**
* 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;
}
