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#906 Better way to handle the lock in order to prevent duplicates in the numbering of Tickets. Note that the iTopMutex now supports re-entrancy inside the same PHP page.

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SVN:trunk[3230]
This commit is contained in:
Denis Flaven
2014-06-27 13:45:48 +00:00
parent ec16c5f86f
commit 61b5b5cc71
7 changed files with 41 additions and 82 deletions
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66
datamodels/2.x/itop-tickets/datamodel.itop-tickets.xml
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@@ -48,7 +48,7 @@
<field id="ref" xsi:type="AttributeString">
<sql>ref</sql>
<default_value/>
<is_null_allowed>false</is_null_allowed>
<is_null_allowed>true</is_null_allowed>
</field>
<field id="org_id" xsi:type="AttributeExternalKey">
<sql>org_id</sql>
@@ -164,37 +164,53 @@
<static>false</static>
<access>public</access>
<type>Overload-DBObject</type>
<code><![CDATA[ public function DBInsertNoReload()
<code><![CDATA[
public function DBInsertNoReload()
{
$oMutex = new iTopMutex('ticket_insert');
$oMutex->Lock();
$iKey = parent::DBInsertNoReload();
$oMutex->Unlock();
return $iKey;
$oMutex = new iTopMutex('ticket_insert');
$oMutex->Lock();
$iNextId = MetaModel::GetNextKey(get_class($this));
$sRef = $this->MakeTicketRef($iNextId);
$this->Set('ref', $sRef);
$iKey = parent::DBInsertNoReload();
$oMutex->Unlock();
return $iKey;
}
]]></code>
</method>
<method id="DBInsertTracked_Internal">
<method id="MakeTicketRef">
<static>false</static>
<access>protected</access>
<type>Overload-DBObject</type>
<code><![CDATA[ protected function DBInsertTracked_Internal($bDoNotReload = false)
{
// Beware !!!
// Compensate the fact that CMDBObject::DBInsertTracked_Internal does NOT call the derived version of DBInsertNoReload
// when performing an INsert with "no reload" but actually calls it (followed by Reload) when doing an Insert with reload !!
if ($bDoNotReload)
{
$oMutex = new iTopMutex('ticket_insert');
$oMutex->Lock();
}
$ret = parent::DBInsertTracked_Internal($bDoNotReload);
if ($bDoNotReload)
{
$oMutex->Unlock();
}
return $ret;
}
<code><![CDATA[
protected function MakeTicketRef($iNextId)
{
switch(get_class($this))
{
case 'UserRequest':
$sFormat = 'R-%06d';
break;
case 'Incident':
$sFormat = 'I-%06d';
break;
case 'Change':
case 'RoutineChange':
case 'EmergencyChange':
case 'NormalChange':
$sFormat = 'C-%06d';
break;
case 'Problem':
$sFormat = 'P-%06d';
break;
default:
$sFormat = 'T-%06d';
}
return sprintf($sFormat, $iNextId);
}
]]></code>
</method>
</methods>