/**
* Sets the discriminator column definition.
*
* @param array $columnDef
* @see getDiscriminatorColumn()
*/
public function setDiscriminatorColumn($columnDef)
{
if ($columnDef !== null) {
if (isset($this->fieldNames[$columnDef['name']])) {
throw MappingException::duplicateColumnName($this->name, $columnDef['name']);
}
if (!isset($columnDef['name'])) {
throw MappingException::nameIsMandatoryForDiscriminatorColumns($this->name, $columnDef);
}
if (!isset($columnDef['fieldName'])) {
$columnDef['fieldName'] = $columnDef['name'];
}
$this->discriminatorColumn = $columnDef;
}
}
