function equalRecords( Structure $structure, Record $lhs, Record $rhs ) {
$result = true;
$attributes = $structure->getAttributes();
$i = 0;
while ( $result && $i < count( $attributes ) ) {
$attribute = $attributes[$i];
$type = $attribute->type;
$lhsValue = $lhs->getAttributeValue( $attribute );
$rhsValue = $rhs->getAttributeValue( $attribute );
if ( $type instanceof Structure )
$result = $lhsValue instanceof Record && $rhsValue instanceof Record && equalRecords( $type, $lhsValue, $rhsValue );
else
$result = $lhsValue == $rhsValue;
$i++;
}
return $result;
}
protected function updateRecord( IdStack $idPath, Record $record, Structure $structure, $editors ) {
if ( count( $editors ) > 0 ) {
$updateRecord = $this->getUpdateRecord( $idPath, $structure, $editors );
// only update if it has been modified (for example an modified definition)
if ( !equalRecords( $structure, $record, $updateRecord ) )
$this->controller->update( $idPath->getKeyStack(), $updateRecord );
}
}