/**
* Merge results of multiple subreports. Set of sub reports result is given.
* When merging this method uses join conditions defined in report definition,
* @param string[][] $resultsSetArray
* @param ReportDefinition $reportDefinitionObject
* @return string[]
* @throws ReportException
*/
private function mergeWithMultipleJoins($resultsSetArray, $reportDefinitionObject)
{
$result = array();
$reportDefinitionObject->resetJoin();
$join = $reportDefinitionObject->getCurrentJoin();
if (is_null($join) || empty($join)) {
throw new ReportException("Invalid XML Definition!!! \n ( The report should contain at least one join element, \n if there are more than one sub reports defined )");
}
$foundAJoinWithoutAsAttribute = false;
$numOfJoins = $reportDefinitionObject->getJoinCount();
for ($i = 0; $i < $numOfJoins; $i++) {
$joinAs = $reportDefinitionObject->getJoinAs($join);
if ($foundAJoinWithoutAsAttribute) {
throw new ReportException("Invalid 'join' definition! refer to ReadMe file..");
}
if ($joinAs == "") {
$foundAJoinWithoutAsAttribute = true;
}
$result = $this->mergeResultsUsingJoinBy($resultsSetArray, $reportDefinitionObject, $join);
$resultsSetArray[$joinAs] = $result;
$join = $reportDefinitionObject->getNextJoin();
}
$reportDefinitionObject->resetJoin();
return $result;
}
