/**
* Populate map table
*
* @param AbstractExpression $nullCheckExpTree The expression to verfiy.
*
* @return void
*
* @throws ODataException
*/
private function _map($nullCheckExpTree)
{
if ($nullCheckExpTree instanceof LogicalExpression) {
$this->_map($nullCheckExpTree->getLeft());
$this->_map($nullCheckExpTree->getRight());
} else {
if ($nullCheckExpTree instanceof UnaryExpression) {
$this->_map($nullCheckExpTree->getChild());
} else {
if ($nullCheckExpTree instanceof FunctionCallExpression) {
$param = $nullCheckExpTree->getParamExpressions();
$this->_map($param[0]);
} else {
if ($nullCheckExpTree instanceof PropertyAccessExpression) {
$parent = $nullCheckExpTree;
$key = null;
do {
$key = $parent->getResourceProperty()->getName() . '_' . $key;
$parent = $parent->getParent();
} while ($parent != null);
$this->_mapTable[$key] = $nullCheckExpTree;
} else {
ODataException::createSyntaxError(Messages::expressionParser2UnexpectedExpression(get_class($expTree)));
}
}
}
}
}
