public function toDQL()
{
$dql = "(";
$els = array();
if (empty($this->children)) {
return false;
}
foreach ($this->children as $child) {
if (IcingaDQLViewFilter::isGroup($child)) {
$keys = array_keys($child);
$subEl = new IcingaDQLViewFilterGroup($child[$keys[0]], $keys[0], $this->negate, $this->template);
$els[] = $subEl->toDQL();
$this->values = array_merge($this->values, $subEl->getValues());
} else {
$subEl = new IcingaDQLViewFilterElement($child, $this->negate, $this->template);
$els[] = $subEl->toDQL();
$this->values[] = $subEl->getValue();
}
}
$cleared = array();
foreach ($els as $element) {
if ($element == "") {
continue;
}
$cleared[] = $element;
}
if (empty($cleared)) {
return false;
}
return "(" . join(" " . $this->type . " ", $cleared) . ")";
}
