CatalogCacheSortObject.php
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<?php
class CatalogCacheSortPartObject extends TimeTableCacheSortPartObject
{
public static $TYPE_PARAMETER = 7;
private $paramId = "";
public function compare($interval_a, $interval_b) {
if ($this->type != self::$TYPE_PARAMETER) {
return parent::compare($interval_a, $interval_b) ;
}
$params_a = $interval_a->getParams();
$params_b = $interval_b->getParams();
// Retrieve data type
$data_type = -1;
foreach ($this->cacheObject->getParametersInfo() as $parameter) {
if ($parameter['id'] == $this->paramId) {
$data_type = $parameter['type'];
break;
}
}
//If something is not defined
if ($data_type < 0) {
return 0;
}
else if (!isset($params_a[$this->paramId]) && !isset($params_b[$this->paramId])) {
return 0;
}
else if(!isset($params_a[$this->paramId])) {
switch ($this->dir) {
case self::$DIRECTION_ASC :
return 1;
default :
return -1;
}
}
else if (!isset($params_b[$this->paramId])) {
switch ($this->dir) {
case self::$DIRECTION_ASC :
return -1;
default :
return 1;
}
}
// Apply comparison on intervals parameter data
switch ($parameter['type']) {
case 0: //double
$val_a_minus_b = floatval($params_a[$this->paramId]) - floatval($params_b[$this->paramId]);
break;
case 1: //date (timestamp)
$val_a_minus_b = intval($params_a[$this->paramId]) - intval($params_b[$this->paramId]);
break;
case 2: //string
$val_a_minus_b = strcmp($params_a[$this->paramId], $params_b[$this->paramId]);
break;
case 3: //int
$val_a_minus_b = intval($params_a[$this->paramId]) - intval($params_b[$this->paramId]);
break;
default: // not defined => string
$val_a_minus_b = strcmp($params_a[$this->paramId], $params_b[$this->paramId]);
}
if ($this->dir == self::$DIRECTION_ASC) {
return -$val_a_minus_b;
}
return $val_a_minus_b;
}
public function loadFromObject($part_obj) {
parent::loadFromObject($part_obj);
if ($this->type == self::$TYPE_UNKNOWN) {
//Check if it's a catalog parameter
foreach ($this->cacheObject->getParametersInfo() as $parameter) {
if ($parameter['id'] == $part_obj->property) {
$this->type = self::$TYPE_PARAMETER;
$this->paramId = $parameter['id'];
}
}
}
}
public function writeBin($handle) {
parent::writeBin($handle);
if ($this->type == self::$TYPE_PARAMETER) {
//Param Id length
fwrite($handle,pack('L',strlen($this->paramId)));
//Param Id
for ($i = 0; $i < strlen($this->paramId); ++$i)
fwrite($handle,pack('C',ord($this->paramId[$i])));
}
}
public function loadBin($handle) {
parent::loadBin($handle);
if ($this->type == self::$TYPE_PARAMETER) {
//Param Id length
if (!$res = unpack('Lidlength',fread($handle,4)))
return false;
$idlength = $res['idlength'];
//Param Id
$this->paramId = "";
for ($j = 0; $j < $idlength; ++$j)
{
if (!$res = unpack('Cid',fread($handle,1)))
return false;
$this->paramId .= chr($res['id']);
}
}
}
public function dump() {
if ($this->type == self::$TYPE_PARAMETER) {
echo " => ".get_class($this)." : type = parameter, id = ".$this->paramId;
echo ", direction = ";
switch ($this->dir)
{
case self::$DIRECTION_ASC :
echo "ASC";
break;
case self::$DIRECTION_DES :
echo "DESC";
break;
default:
echo "unknown";
}
echo PHP_EOL;
return;
}
parent::dump();
}
}
class CatalogCacheSortObject extends TimeTableCacheSortObject
{
protected function createNewPart() {
return new CatalogCacheSortPartObject($this->cacheObject);
}
}
?>