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arangodb/arangod/VocBase/key-generator.h

110 lines
4.5 KiB
C++

////////////////////////////////////////////////////////////////////////////////
/// @brief collection key generator
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2004-2013 triAGENS GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is triAGENS GmbH, Cologne, Germany
///
/// @author Jan Steemann
/// @author Copyright 2012-2013, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////
#ifndef TRIAGENS_VOC_BASE_KEY_GENERATOR_H
#define TRIAGENS_VOC_BASE_KEY_GENERATOR_H 1
#include "Basics/Common.h"
#include "VocBase/vocbase.h"
// -----------------------------------------------------------------------------
// --SECTION-- KEY GENERATORS
// -----------------------------------------------------------------------------
// -----------------------------------------------------------------------------
// --SECTION-- FORWARD DECLARATIONS
// -----------------------------------------------------------------------------
struct TRI_json_s;
// -----------------------------------------------------------------------------
// --SECTION-- public defines
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @brief maximum length of a key in a collection
////////////////////////////////////////////////////////////////////////////////
#define TRI_VOC_KEY_MAX_LENGTH (254)
// -----------------------------------------------------------------------------
// --SECTION-- public types
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @brief general key generator type
////////////////////////////////////////////////////////////////////////////////
typedef struct TRI_key_generator_s {
void* _data;
int (*init)(struct TRI_key_generator_s*, struct TRI_json_s const*);
std::string (*generateKey)(struct TRI_key_generator_s*, TRI_voc_tick_t);
int (*validateKey)(struct TRI_key_generator_s const*, std::string const&);
void (*trackKey)(struct TRI_key_generator_s*, TRI_voc_key_t);
void (*free)(struct TRI_key_generator_s*);
struct TRI_json_s* (*toJson)(struct TRI_key_generator_s const*);
}
TRI_key_generator_t;
// -----------------------------------------------------------------------------
// --SECTION-- constructors / destructors
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @brief create a key generator
////////////////////////////////////////////////////////////////////////////////
int TRI_CreateKeyGenerator (struct TRI_json_s const*,
struct TRI_key_generator_s**);
////////////////////////////////////////////////////////////////////////////////
/// @brief free a key generator
////////////////////////////////////////////////////////////////////////////////
void TRI_FreeKeyGenerator (TRI_key_generator_t*);
////////////////////////////////////////////////////////////////////////////////
/// @brief validate a key
////////////////////////////////////////////////////////////////////////////////
bool TRI_ValidateKeyKeyGenerator (char const*);
////////////////////////////////////////////////////////////////////////////////
/// @brief validate a document id (collection name + / + document key)
////////////////////////////////////////////////////////////////////////////////
bool TRI_ValidateDocumentIdKeyGenerator (char const*,
size_t*);
#endif
// Local Variables:
// mode: outline-minor
// outline-regexp: "/// @brief\\|/// {@inheritDoc}\\|/// @addtogroup\\|/// @page\\|// --SECTION--\\|/// @\\}"