109 lines
3.0 KiB
C++
109 lines
3.0 KiB
C++
/*
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* This file is a part of morm
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* and is distributed under the 2-Clause BSD licence.
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* Author: Tomasz Sowa <t.sowa@ttmath.org>
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*/
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/*
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* Copyright (c) 2018, Tomasz Sowa
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef headerfile_morm_modelconnector
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#define headerfile_morm_modelconnector
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#include "baseexpression.h"
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namespace morm
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{
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class Model;
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class FlatConnector;
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class DbConnector;
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class ModelConnector
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{
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public:
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ModelConnector();
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virtual ~ModelConnector();
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// FIX ME
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// add c-copy ctr (allocate a new stream and expression)
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virtual void set_stream(PT::TextStream & stream);
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virtual PT::TextStream * get_stream();
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virtual void set_flat_connector(FlatConnector & flat_connector);
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virtual void set_db_connector(DbConnector & db_connector);
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virtual void to_text(PT::TextStream & stream, Model & model);
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virtual void generate_insert_query(PT::TextStream & stream, Model & model);
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virtual void generate_update_query(PT::TextStream & stream, Model & model);
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virtual void insert(Model & model);
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virtual void update(Model & model);
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protected:
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FlatConnector * flat_connector;
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DbConnector * db_connector;
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PT::TextStream * out_stream; // IMPROVE ME give here an interface to the base stream (implement him)
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bool out_stream_allocated;
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BaseExpression * expression_callback;
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void allocate_default_stream();
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void allocate_default_stream_if_needed();
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void deallocate_stream();
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template<typename FieldValue>
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void field(const wchar_t * field_name, FieldValue & field_value, bool insertable, bool updatable, bool is_primary_key)
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{
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if( expression_callback )
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{
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expression_callback->field(field_name, field_value, insertable, updatable, is_primary_key);
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}
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}
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/*
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* Model is using field() method
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*/
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friend Model;
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};
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}
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#endif
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