/**
* Short description of method getPropertyValuesByLg
*
* @access public
* @author Joel Bout, <*****@*****.**>
* @param Resource resource
* @param Property property
* @param string lg
* @return core_kernel_classes_ContainerCollection
*/
public function getPropertyValuesByLg(core_kernel_classes_Resource $resource, core_kernel_classes_Property $property, $lg)
{
$returnValue = null;
$options = array('lg' => $lg);
$returnValue = new core_kernel_classes_ContainerCollection($resource);
foreach ($this->getPropertyValues($resource, $property, $options) as $value) {
$returnValue->add(common_Utils::toResource($value));
}
return $returnValue;
}
/**
* Helper to return one property value, since there is no order
* if there are multiple values the value to be returned will be choosen by random
*
* optional parameter $last should NOT be used since it is no longer supported
* and will be removed in future versions
*
* @access public
* @author Joel Bout, <*****@*****.**>
* @param Property property
* @param boolean last
* @return core_kernel_classes_Container
*/
public function getOnePropertyValue(core_kernel_classes_Property $property, $last = false)
{
$returnValue = null;
if ($last) {
throw new core_kernel_persistence_Exception('parameter \'last\' for getOnePropertyValue no longer supported');
}
$options = array('forceDefaultLg' => true, 'one' => true);
$value = $this->getPropertyValues($property, $options);
if (count($value)) {
$returnValue = common_Utils::toResource(current($value));
}
return $returnValue;
}
/**
* (non-PHPdoc)
* @see core_kernel_persistence_ClassInterface::getInstancesPropertyValues()
*/
public function getInstancesPropertyValues(core_kernel_classes_Class $resource, core_kernel_classes_Property $property, $propertyFilters = array(), $options = array())
{
$returnValue = array();
$distinct = isset($options['distinct']) ? $options['distinct'] : false;
if (count($propertyFilters) === 0) {
$options = array_merge($options, array('like' => false));
}
$filteredQuery = $this->getFilteredQuery($resource, $propertyFilters, $options);
// Get all the available property values in the subset of instances
$query = 'SELECT';
if ($distinct) {
$query .= ' DISTINCT';
}
$query .= " object FROM (SELECT overq.subject, valuesq.object FROM ({$filteredQuery}) as overq JOIN statements AS valuesq ON (overq.subject = valuesq.subject AND valuesq.predicate = ?)) AS overrootq";
$sqlResult = $this->getPersistence()->query($query, array($property->getUri()));
while ($row = $sqlResult->fetch()) {
$returnValue[] = common_Utils::toResource($row['object']);
}
return (array) $returnValue;
}
