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115 lines
2.3 KiB
C++
115 lines
2.3 KiB
C++
//
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// ResponseMessage.h
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//
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// Library: MongoDB
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// Package: MongoDB
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// Module: ResponseMessage
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//
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// Definition of the ResponseMessage class.
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//
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// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#ifndef MongoDB_ResponseMessage_INCLUDED
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#define MongoDB_ResponseMessage_INCLUDED
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#include <cstdlib>
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#include <istream>
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#include "Poco/MongoDB/Document.h"
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#include "Poco/MongoDB/Message.h"
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#include "Poco/MongoDB/MongoDB.h"
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namespace Poco
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{
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namespace MongoDB
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{
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class MongoDB_API ResponseMessage : public Message
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/// This class represents a response (OP_REPLY) from MongoDB.
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{
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public:
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ResponseMessage();
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/// Creates an empty ResponseMessage.
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ResponseMessage(const Int64 & cursorID);
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/// Creates an ResponseMessage for existing cursor ID.
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virtual ~ResponseMessage();
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/// Destroys the ResponseMessage.
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Int64 cursorID() const;
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/// Returns the cursor ID.
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void clear();
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/// Clears the response.
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std::size_t count() const;
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/// Returns the number of documents in the response.
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Document::Vector & documents();
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/// Returns a vector containing the received documents.
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bool empty() const;
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/// Returns true if the response does not contain any documents.
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bool hasDocuments() const;
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/// Returns true if there is at least one document in the response.
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void read(std::istream & istr);
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/// Reads the response from the stream.
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private:
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Int32 _responseFlags;
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Int64 _cursorID;
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Int32 _startingFrom;
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Int32 _numberReturned;
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Document::Vector _documents;
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};
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//
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// inlines
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//
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inline std::size_t ResponseMessage::count() const
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{
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return _documents.size();
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}
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inline bool ResponseMessage::empty() const
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{
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return _documents.size() == 0;
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}
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inline Int64 ResponseMessage::cursorID() const
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{
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return _cursorID;
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}
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inline Document::Vector & ResponseMessage::documents()
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{
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return _documents;
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}
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inline bool ResponseMessage::hasDocuments() const
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{
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return _documents.size() > 0;
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}
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}
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} // namespace Poco::MongoDB
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#endif // MongoDB_ResponseMessage_INCLUDED
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