/**
* Retrieve the collection object (as provided by x::find())
* @return Collection
*/
public function getNext()
{
$item = $this->cursor->getNext();
$obj = clone $this->collection;
$obj->populate($item);
return $obj;
}
/**
* Get next doc in cursor
* @return EMongoDocument|null
*/
public function getNext()
{
if ($c = $this->cursor->getNext()) {
return $this->current = $this->model->populateRecord($c, true, $this->partial);
}
return null;
}
/**
* Ensures that the <code>next</code> points to the correct item, possibly reading from the dbCursor.
*/
private function initializeNextItem()
{
while (!$this->messagesToReturn->valid() && $this->dbCursor->hasNext()) {
$cb = $this->callback;
$this->messagesToReturn = new \ArrayIterator($cb($this->dbCursor->getNext(), $this->actualAggregateIdentifier));
}
$this->next = $this->messagesToReturn->current();
$this->messagesToReturn->next();
}
/**
* Query termination method (Will execute the query)
* @return mixed
*/
public function next()
{
if (!$this->_Cursor) {
$this->_do_query();
}
if ($this->_Cursor && $this->_Cursor->hasNext()) {
$document = $this->_Cursor->getNext();
$this->_callback($document);
return $document;
}
}
public function as_array($key = null, $value = null)
{
$return_value = array();
while ($data = parent::getNext()) {
if ($key === null && $value === null) {
$return_value[] = $this->load_model($data);
} elseif ($key === null) {
if (array_key_exists($value, $data)) {
$return_value[] = $data[$value];
}
} elseif ($value === null) {
if (array_key_exists($key, $data)) {
$return_value[$data[$key]] = $this->load_model($data);
}
} else {
if (array_key_exists($key, $data) && array_key_exists($value, $data)) {
$return_value[(string) $data[$key]] = $data[(string) $value];
}
}
}
return $return_value;
}
/**
* @param \MongoCursor $cursor Mongo cursor instance to fetch data from.
* @param boolean $all whether to fetch all rows or only first one.
* @param string|callable $indexBy value to index by.
* @return array|boolean result.
* @see Query::fetchRows()
*/
protected function fetchRowsInternal($cursor, $all, $indexBy)
{
$result = [];
if ($all) {
foreach ($cursor as $row) {
$result[] = $row;
}
} else {
if ($row = $cursor->getNext()) {
$result = $row;
} else {
$result = false;
}
}
return $result;
}
/**
* @param \MongoCursor $cursor Mongo cursor instance to fetch data from.
* @param boolean $all whether to fetch all rows or only first one.
* @param string|callable $indexBy value to index by.
* @return array|boolean result.
* @see Query::fetchRows()
*/
protected function fetchRowsInternal($cursor, $all, $indexBy)
{
$result = [];
if ($all) {
foreach ($cursor as $row) {
if ($indexBy !== null) {
if (is_string($indexBy)) {
$key = $row[$indexBy];
} else {
$key = call_user_func($indexBy, $row);
}
$result[$key] = $row;
} else {
$result[] = $row;
}
}
} else {
if ($cursor->hasNext()) {
$result = $cursor->getNext();
} else {
$result = false;
}
}
return $result;
}
/**
* Set Cursor
*
* This method receive a MongoCursor and make
* it iterable.
*
* @param MongoCursor $obj
*
* @return void
*/
protected final function setCursor(MongoCursor $obj)
{
$this->_cursor = $obj;
$obj->reset();
$this->setResult($obj->getNext());
}
/**
* getNext.
*/
public function getNext()
{
$this->logQuery();
return parent::getNext();
}
/**
* Assign every retrived record with collection's recordClass.
*
* @param \MongoCursor $cursor
*/
private function instantiateRecordClass(\MongoCursor $cursor)
{
$recordClass = $this->recordClass();
switch ($recordClass) {
case null:
while ($cursor->hasNext()) {
(yield $cursor->getNext());
}
break;
default:
while ($cursor->hasNext()) {
(yield new $recordClass($cursor->getNext()));
}
break;
}
}
/**
* Return the next object to which this cursor points, and advance the cursor
*
* @throws \MongoConnectionException
* @throws \MongoCursorTimeoutException
* @return modelBase Returns the next object
*/
public function getNext()
{
$modelClass = $this->modelClass;
$item = $this->cursor->getNext();
return isset($item) ? new $modelClass($item) : null;
}
/**
* Return the next file to which this cursor points, and advance the cursor
*
* @return MongoGridFSFile - Returns the next file.
*/
public function getNext()
{
parent::getNext();
return $this->current();
}
/**
* 获取下一个值,并且把游标移动
* @return Array
*/
public function getNext()
{
return $this->oMongoCursor->getNext();
}
