public function fill(AbstractItem $fillItemList, $fillByName, array $keyMap)
{
if (!$this->dataSource || !$fillItemList->getDataSource()) {
return $this;
}
if (!isset($this[0])) {
throw new Exception\InvalidArgumentException(sprintf('%s must be a item list', get_class($this)));
}
if (!isset($fillItemList[0])) {
throw new Exception\InvalidArgumentException(sprintf('Filled item %s must be a list', get_class($fillItemList)));
}
list($primaryKey) = array_keys($keyMap);
list($foreignKey) = array_values($keyMap);
foreach ($this as $key => $item) {
foreach ($fillItemList as $fillItem) {
if ($item->{$primaryKey} == $fillItem->{$foreignKey}) {
$this[$key][$fillByName] = $fillItem;
}
}
}
return $this;
}
