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//
// Cursor.cpp
//
// Library: MongoDB
// Package: MongoDB
// Module: Cursor
//
// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/MongoDB/Cursor.h"
#include "Poco/MongoDB/GetMoreRequest.h"
#include "Poco/MongoDB/KillCursorsRequest.h"
namespace Poco {
namespace MongoDB {
Cursor::Cursor(const std::string& db, const std::string& collection, QueryRequest::Flags flags):
_query(db + '.' + collection, flags)
{
}
Cursor::Cursor(const std::string& fullCollectionName, QueryRequest::Flags flags):
_query(fullCollectionName, flags)
{
}
Cursor::~Cursor()
{
try
{
poco_assert_dbg(!_response.cursorID());
}
catch (...)
{
}
}
ResponseMessage& Cursor::next(Connection& connection)
{
if (_response.cursorID() == 0)
{
connection.sendRequest(_query, _response);
}
else
{
Poco::MongoDB::GetMoreRequest getMore(_query.fullCollectionName(), _response.cursorID());
getMore.setNumberToReturn(_query.getNumberToReturn());
_response.clear();
connection.sendRequest(getMore, _response);
}
return _response;
}
void Cursor::kill(Connection& connection)
{
if (_response.cursorID() != 0)
{
KillCursorsRequest killRequest;
killRequest.cursors().push_back(_response.cursorID());
connection.sendRequest(killRequest);
}
_response.clear();
}
} } // Namespace Poco::MongoDB
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