poco/MongoDB/include/Poco/MongoDB/DeleteRequest.h
2013-03-17 13:34:36 -05:00

127 lines
3.6 KiB
C++

//
// DeleteRequest.h
//
// $Id$
//
// Library: MongoDB
// Package: MongoDB
// Module: DeleteRequest
//
// Definition of the DeleteRequest class.
//
// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
#ifndef MongoDB_DeleteRequest_INCLUDED
#define MongoDB_DeleteRequest_INCLUDED
#include "Poco/MongoDB/MongoDB.h"
#include "Poco/MongoDB/RequestMessage.h"
#include "Poco/MongoDB/Document.h"
namespace Poco {
namespace MongoDB {
class MongoDB_API DeleteRequest : public RequestMessage
/// Class for creating an OP_DELETE client request. This request
/// is used to delete one ore more documents from a database.
///
/// Specific flags for this request
/// - DELETE_NONE
/// No flags
/// - DELETE_SINGLE_REMOVE
/// Delete only the first document
{
public:
typedef enum
{
DELETE_NONE = 0,
DELETE_SINGLE_REMOVE = 1
} Flags;
DeleteRequest(const std::string& collectionName, Flags flags = DELETE_NONE);
/// Constructor. The full collection name is the concatenation of the database
/// name with the collection name, using a "." for the concatenation. For example,
/// for the database "foo" and the collection "bar", the full collection name is
/// "foo.bar".
DeleteRequest(const std::string& collectionName, bool justOne);
/// Constructor. The full collection name is the concatenation of the database
/// name with the collection name, using a "." for the concatenation. For example,
/// for the database "foo" and the collection "bar", the full collection name is
/// "foo.bar". When justOne is true, only the first matching document will
/// be removed (the same as using flag DELETE_SINGLE_REMOVE).
virtual ~DeleteRequest();
/// Destructor
Flags flags() const;
/// Returns flags
void flags(Flags flag);
/// Sets flags
Document& selector();
/// Returns the selector document
protected:
void buildRequest(BinaryWriter& writer);
/// Writes the OP_DELETE request to the writer
private:
Flags _flags;
std::string _fullCollectionName;
Document _selector;
};
inline DeleteRequest::Flags DeleteRequest::flags() const
{
return _flags;
}
inline void DeleteRequest::flags(DeleteRequest::Flags flags)
{
_flags = flags;
}
inline Document& DeleteRequest::selector()
{
return _selector;
}
} } // namespace Poco::MongoDB
#endif //MongoDB_DeleteRequest_INCLUDED