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XML Modelization of the relations, with full support of the previous way (by implementing a method GetRelationQueries). Still, the standard data model has not been migrated to the new format.

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SVN:trunk[3519]
This commit is contained in:
Romain Quetiez
2015-03-26 11:12:25 +00:00
parent 8b36699893
commit 3cf0fa3ee2
5 changed files with 198 additions and 41 deletions
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61
core/dbobject.class.php
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@@ -2531,41 +2531,66 @@ abstract class DBObject implements iDisplay
}
// Return an empty set for the parent of all
// May be overloaded.
// Anyhow, this way of implementing the relations suffers limitations (not handling the redundancy)
// and you should consider defining those things in XML.
public static function GetRelationQueries($sRelCode)
{
return array();
}
// Reserved: do not overload
public static function GetRelationQueriesEx($sRelCode)
{
return array();
}
public function GetRelatedObjects($sRelCode, $iMaxDepth = 99, &$aResults = array())
{
foreach (MetaModel::EnumRelationQueries(get_class($this), $sRelCode) as $sDummy => $aQueryInfo)
{
MetaModel::DbgTrace("object=".$this->GetKey().", depth=$iMaxDepth, rel=".$aQueryInfo["sQuery"]);
$sQuery = $aQueryInfo["sQuery"];
$bPropagate = $aQueryInfo["bPropagate"];
$iDistance = $aQueryInfo["iDistance"];
//$bPropagate = $aQueryInfo["bPropagate"];
//$iDepth = $bPropagate ? $iMaxDepth - 1 : 0;
$iDepth = $iMaxDepth - 1;
$iDepth = $bPropagate ? $iMaxDepth - 1 : 0;
$oFlt = DBObjectSearch::FromOQL($sQuery);
$oObjSet = new DBObjectSet($oFlt, array(), $this->ToArgsForQuery());
while ($oObj = $oObjSet->Fetch())
// Note: the loop over the result set has been written in an unusual way for error reporting purposes
// In the case of a wrong query parameter name, the error occurs on the first call to Fetch,
// thus we need to have this first call into the try/catch, but
// we do NOT want to nest the try/catch for the error message to be clear
try
{
$sRootClass = MetaModel::GetRootClass(get_class($oObj));
$sObjKey = $oObj->GetKey();
if (array_key_exists($sRootClass, $aResults))
$oFlt = DBObjectSearch::FromOQL($sQuery);
$oObjSet = new DBObjectSet($oFlt, array(), $this->ToArgsForQuery());
$oObj = $oObjSet->Fetch();
}
catch (Exception $e)
{
$sClassOfDefinition = $aQueryInfo['_legacy_'] ? get_class($this).'(or a parent)::GetRelationQueries()' : $aQueryInfo['sDefinedInClass'];
throw new Exception("Wrong query for the relation $sRelCode/$sClassOfDefinition/{$aQueryInfo['sNeighbour']}: ".$e->getMessage());
}
if ($oObj)
{
do
{
if (array_key_exists($sObjKey, $aResults[$sRootClass]))
$sRootClass = MetaModel::GetRootClass(get_class($oObj));
$sObjKey = $oObj->GetKey();
if (array_key_exists($sRootClass, $aResults))
{
continue; // already visited, skip
if (array_key_exists($sObjKey, $aResults[$sRootClass]))
{
continue; // already visited, skip
}
}
$aResults[$sRootClass][$sObjKey] = $oObj;
if ($iDepth > 0)
{
$oObj->GetRelatedObjects($sRelCode, $iDepth, $aResults);
}
}
$aResults[$sRootClass][$sObjKey] = $oObj;
if ($iDepth > 0)
{
$oObj->GetRelatedObjects($sRelCode, $iDepth, $aResults);
}
while ($oObj = $oObjSet->Fetch());
}
}
return $aResults;