mongo_interface.h

/*
MIT License Block

Copyright (c) 2016 Alex Barry

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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 AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/

#ifndef AOSSL_MONGO_INCLUDE_MONGO_INTERFACE_H_
#define AOSSL_MONGO_INCLUDE_MONGO_INTERFACE_H_

#include <string>
#include <exception>
#include <vector>

struct MongoException: public std::exception {
  std::string int_msg;
  const char * what_str;

  inline MongoException(std::string msg) {
    int_msg = "Error in Mongo Request: " + msg;
    what_str = int_msg.c_str();
  }

  MongoException() {}
  ~MongoException() throw() {}

  const char * what() const throw() {
    return what_str;
  }
};

class MongoResponseInterface {
 public:
  virtual ~MongoResponseInterface() {}
  virtual std::string get_value() = 0;
  virtual std::string get_err_msg() = 0;
};

class MongoIteratorInterface {
 public:
  virtual ~MongoIteratorInterface() {}

  virtual MongoResponseInterface* next() = 0;
};

class MongoInterface {
 public:
  virtual ~MongoInterface() {}

  // CRUD Operations

  virtual MongoResponseInterface* create_document(const char * doc, \
    const char * collection_name) = 0;
  virtual MongoResponseInterface* create_document(const char * doc) = 0;
  virtual MongoResponseInterface* create_document(std::string doc) = 0;
  virtual MongoResponseInterface* create_document(std::string doc, \
    std::string collection_name) = 0;

  virtual void delete_document(const char * key) = 0;
  virtual void delete_document(std::string key) = 0;
  virtual void delete_document(const char * key, \
    const char * collection_name) = 0;
  virtual void delete_document(std::string key, \
    std::string collection_name) = 0;

  virtual MongoResponseInterface* load_document(const char * key) = 0;
  virtual MongoResponseInterface* load_document(std::string key) = 0;
  virtual MongoResponseInterface* load_document(const char * key, \
    const char * collection_name) = 0;
  virtual MongoResponseInterface* load_document(std::string key, \
    std::string collection_name) = 0;

  virtual void save_document(const char * doc, const char * key) = 0;
  virtual void save_document(std::string doc, std::string key) = 0;
  virtual void save_document(const char * doc, const char * key, \
    const char * collection_name) = 0;
  virtual void save_document(std::string doc, std::string key, \
    std::string collection_name) = 0;

  // Advanced Operations


  virtual MongoIteratorInterface* query(const char * query_str, \
    const char * opts_str) = 0;

  virtual MongoIteratorInterface* query(std::string query_str, \
    std::string opts_str) = 0;

  virtual MongoIteratorInterface* query(const char * query_str, \
    const char * opts_str, const char * collection_name) = 0;

  virtual MongoIteratorInterface* query(std::string query_str, \
    std::string opts_str, std::string collection_name) = 0;

  virtual MongoIteratorInterface* query(const char * query_str) = 0;

  virtual MongoIteratorInterface* query(std::string query_str) = 0;
};

#endif  // AOSSL_MONGO_INCLUDE_MONGO_INTERFACE_H_