/**
* Selector is a string key or an array of keys. Keys may be in one of these formats:
*
* Fully specified Integer: <dictionary_name>:datatype(<concept_datatype_id>)
* Fully specified name: <dictionary_name>:datatype(<concept_datatype_name>)
* Default dictionary: <concept_datatype_id>
* Only name: <concept_datatype_name>
*
* <concept_datatype_name> must be quoted if it contains non-word characters.
* Note that setDefaultDictionary() must be called if using the default dictionary format.
*/
public function getDatatypes($selector)
{
$cdc = new ConceptDatatypeCollection();
if (!is_array($selector)) {
$selector = array($selector);
}
foreach ($selector as $key) {
$key = strtolower(trim($key));
// <dictionary_name>:datatype(<concept_datatype_id>) OR <dictionary_name>:datatype(<concept_datatype_name>)
if (strpos($key, ':datatype(', 0) !== false && strpos($key, ')', strlen($key) - 1) !== false) {
// Parse out dict_name and datatype_identifier
$dict_name = trim(substr($key, 0, strpos($key, ':datatype')));
$datatype_identifier = trim(substr($key, strlen($dict_name) + strlen(':datatype('), strlen($key) - strlen($dict_name) - strlen(':datatype(') - 1));
if (substr($datatype_identifier, 0, 1) == '"' && substr($datatype_identifier, strlen($datatype_identifier) - 1, 1) == '"') {
$datatype_identifier = trim(substr($datatype_identifier, 1, strlen($datatype_identifier) - 2));
}
// <dictionary_name>:datatype(<concept_datatype_id>)
if ($this->isInteger($datatype_identifier)) {
$new_key = $dict_name . ':datatype(' . $datatype_identifier . ')';
if ($this->IsMember($new_key)) {
$cdc->Add($new_key, $this->Get($new_key));
}
} else {
foreach ($this->getKeys() as $datatype_key) {
$datatype = $this->Get($datatype_key);
if (strtolower($datatype->name) == $datatype_identifier && strtolower($datatype->getSourceDictionary()->dict_db) == $dict_name) {
$cdc->Add($datatype_key, $datatype);
break;
}
}
}
} else {
// <concept_datatype_id> - this uses the default dictionary setting
if ($this->isInteger($key)) {
// Default dictionary key
if (!$this->css_dict) {
trigger_error('Default dictionary must be set in ConceptDatatypeCollection if using default dictionary format', E_USER_ERROR);
}
$key = $this->css_dict->dict_db . ':datatype(' . $key . ')';
if ($this->IsMember($key)) {
$cdc->Add($key, $this->Get($key));
}
} else {
foreach ($this->getKeys() as $datatype_key) {
$datatype = $this->Get($datatype_key);
if (strtolower($datatype->name) == $key) {
$cdc->Add($datatype_key, $datatype);
}
}
}
}
}
return $cdc;
}
/**
* Loads the concept datatypes from the specified dictionary.
* @return ConceptDatatypeCollection
*/
public function loadConceptDatatypes(ConceptSearchSource $css_dict)
{
// get the data
$sql_datatypes = 'select concept_datatype_id, name, description, hl7_abbreviation, uuid ' . 'from concept_datatype ' . 'where retired != 1 ' . 'order by name';
if ($this->debug) {
echo '<p><b>Loading concept datatypes for ' . $css_dict->dict_db . ':</b><br> ' . $sql_datatypes . '</p>';
}
$rsc_datatypes = mysql_query($sql_datatypes, $css_dict->getConnection());
if (!$rsc_datatypes) {
echo "Could not query db in ConceptSearchFactory::_loadConceptDatatypes: " . mysql_error();
}
// Create the datatype collection
$cdc = new ConceptDatatypeCollection();
while ($row = mysql_fetch_assoc($rsc_datatypes)) {
$cd = new ConceptDatatype($row['concept_datatype_id'], $row['name'], $row['description'], $row['hl7_abbreviation'], $row['uuid']);
$cd->setSourceDictionary($css_dict);
// $key = '<database_name>:datatype(<concept_datatype_id>)
$key = $css_dict->dict_db . ':datatype(' . $row['concept_datatype_id'] . ')';
$cdc->Add($key, $cd);
}
return $cdc;
}
