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|
<?php
namespace Icinga\Module\Director\Db\Cache;
use Icinga\Application\Benchmark;
use Icinga\Module\Director\Db;
use Icinga\Module\Director\Objects\IcingaObject;
class GroupMembershipCache
{
protected $type;
protected $table;
protected $groupClass;
protected $memberships;
/** @var Db Director database connection */
protected $connection;
public function __construct(IcingaObject $object)
{
$this->table = $object->getTableName();
$this->type = $object->getShortTableName();
$this->groupClass = 'Icinga\\Module\\Director\\Objects\\Icinga'
. ucfirst($this->type) . 'Group';
Benchmark::measure('Initializing GroupMemberShipCache');
$this->connection = $object->getConnection();
$this->loadAllMemberships();
Benchmark::measure('Filled GroupMemberShipCache');
}
protected function loadAllMemberships()
{
$db = $this->connection->getDbAdapter();
$this->memberships = array();
$type = $this->type;
$table = $this->table;
$query = $db->select()->from(
array('o' => $table),
array(
'object_id' => 'o.id',
'group_id' => 'g.id',
'group_name' => 'g.object_name',
)
)->join(
array('go' => $table . 'group_' . $type),
'o.id = go.' . $type . '_id',
array()
)->join(
array('g' => $table . 'group'),
'go.' . $type . 'group_id = g.id',
array()
)->order('g.object_name');
foreach ($db->fetchAll($query) as $row) {
if (! array_key_exists($row->object_id, $this->memberships)) {
$this->memberships[$row->object_id] = array();
}
$this->memberships[$row->object_id][$row->group_id] = $row->group_name;
}
}
public function listGroupNamesForObject(IcingaObject $object)
{
if (array_key_exists($object->id, $this->memberships)) {
return array_values($this->memberships[$object->id]);
}
return array();
}
public function listGroupIdsForObject(IcingaObject $object)
{
if (array_key_exists($object->id, $this->memberships)) {
return array_keys($this->memberships[$object->id]);
}
return array();
}
public function getGroupsForObject(IcingaObject $object)
{
$groups = array();
$class = $this->groupClass;
foreach ($this->listGroupIdsForObject($object) as $id) {
$object = $class::loadWithAutoIncId($id, $this->connection);
$groups[$object->object_name] = $object;
}
return $groups;
}
public function __destruct()
{
unset($this->connection);
}
}
|
