/usr/include/Poco/MongoDB/Cursor.h is in libpoco-dev 1.8.0.1-1ubuntu4.
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// Cursor.h
//
// Library: MongoDB
// Package: MongoDB
// Module: Cursor
//
// Definition of the Cursor class.
//
// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef MongoDB_Cursor_INCLUDED
#define MongoDB_Cursor_INCLUDED
#include "Poco/MongoDB/MongoDB.h"
#include "Poco/MongoDB/Connection.h"
#include "Poco/MongoDB/QueryRequest.h"
#include "Poco/MongoDB/ResponseMessage.h"
namespace Poco {
namespace MongoDB {
class MongoDB_API Cursor: public Document
/// Cursor is an helper class for querying multiple documents.
{
public:
Cursor(const std::string& dbname, const std::string& collectionName, QueryRequest::Flags flags = QueryRequest::QUERY_DEFAULT);
/// Creates a Cursor for the given database and collection, using the specified flags.
Cursor(const std::string& fullCollectionName, QueryRequest::Flags flags = QueryRequest::QUERY_DEFAULT);
/// Creates a Cursor for the given database and collection ("database.collection"), using the specified flags.
virtual ~Cursor();
/// Destroys the Cursor.
ResponseMessage& next(Connection& connection);
/// Tries to get the next documents. As long as ResponseMessage has a
/// cursor ID next can be called to retrieve the next bunch of documents.
///
/// The cursor must be killed (see kill()) when not all documents are needed.
QueryRequest& query();
/// Returns the associated query.
void kill(Connection& connection);
/// Kills the cursor and reset it so that it can be reused.
private:
QueryRequest _query;
ResponseMessage _response;
};
//
// inlines
//
inline QueryRequest& Cursor::query()
{
return _query;
}
} } // namespace Poco::MongoDB
#endif // MongoDB_Cursor_INCLUDED
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