public function testSetAndGetKey()
{
$this->_field->setKey('testkey');
$this->assertEquals('testkey', $this->_field->getKey());
}
/**
* Add a field
*
* Supports a field instance or a config array, in that case a new
* field instance wil be created based on the options.
*
* @param Solarium_Query_Select_Component_Stats_Field|array $field
* @return Solarium_Query_Select_Component_Stats Provides fluent interface
*/
public function addField($field)
{
if (is_array($field)) {
$field = new Solarium_Query_Select_Component_Stats_Field($field);
}
$key = $field->getKey();
if (0 === strlen($key)) {
throw new Solarium_Exception('A field must have a key value');
}
//double add calls for the same field are ignored, but non-unique keys cause an exception
//@todo add trigger_error with a notice for double add calls?
if (array_key_exists($key, $this->_fields) && $this->_fields[$key] !== $field) {
throw new Solarium_Exception('A field must have a unique key value');
} else {
$this->_fields[$key] = $field;
}
return $this;
}
