rafactoring in Model class (in field_generic and field_model methods)
added: ModelEnv::model_connector_submode (used in iterating through childs) git-svn-id: svn://ttmath.org/publicrep/morm/trunk@1211 e52654a7-88a9-db11-a3e9-0013d4bc506e
This commit is contained in:
481
src/model.h
481
src/model.h
@@ -674,6 +674,152 @@ protected:
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protected:
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template<typename FieldValue>
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void field_generic_set_field_value(const wchar_t * db_field_name, const wchar_t * flat_field_name, FieldValue & field_value, bool insertable, bool updatable, bool is_primary_key)
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{
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if( model_env->field_value_helper_tab )
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{
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if( model_env->field_index >= 0 && (size_t)model_env->field_index < model_env->field_value_helper_tab->size() )
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{
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FieldValueHelper & helper = (*model_env->field_value_helper_tab)[model_env->field_index];
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PT::Log * log = model_connector->get_logger();
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if( is_the_same_field(db_field_name, helper.db_field_name) &&
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is_the_same_field(flat_field_name, helper.flat_field_name) )
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{
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if( helper.value_object && helper.value_type_info )
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{
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if( typeid(field_value) == *helper.value_type_info )
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{
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field_value = *(FieldValue*)helper.value_object;
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}
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else
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{
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table_name(model_env->table_name);
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(*log) << PT::Log::log1 << "Morm: incorrect type of a field in " << model_env->table_name << ", ";
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if( !is_empty_field(db_field_name) )
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(*log) << "database field name: " << db_field_name << ", ";
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if( !is_empty_field(flat_field_name) )
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(*log) << "flat field name: " << flat_field_name << ", ";
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(*log) << "type expected " << typeid(field_value).name()
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<< " got " << helper.value_type_info->name() << PT::Log::logend;
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}
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}
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model_env->field_index += 1;
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}
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}
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}
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}
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template<typename FieldValue>
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void field_generic_iterate_primary_key_values(const wchar_t * db_field_name, const wchar_t * flat_field_name, FieldValue & field_value, bool insertable, bool updatable, bool is_primary_key)
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{
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if( is_primary_key )
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{
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if( model_env->field_value_helper_tab )
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{
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if( model_env->field_index >= 0 && (size_t)model_env->field_index < model_env->field_value_helper_tab->size() )
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{
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FieldValueHelper & helper = (*model_env->field_value_helper_tab)[model_env->field_index];
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helper.value_object = &field_value;
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helper.value_type_info = &typeid(field_value);
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}
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}
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model_env->field_index += 1;
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}
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}
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template<typename FieldValue>
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void field_generic_generate_flat_string(const wchar_t * db_field_name, const wchar_t * flat_field_name, FieldValue & field_value, bool insertable, bool updatable, bool is_primary_key)
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{
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FlatConnector * flat_connector = model_connector->get_flat_connector();
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if( flat_connector )
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{
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FlatExpression * flat_expression = flat_connector->get_expression();
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if( flat_expression && !is_empty_field(flat_field_name) )
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{
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// insertable, updatable and is_primary_key are ignored here
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flat_expression->field(flat_field_name, field_value, insertable, updatable, is_primary_key, model_env);
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}
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}
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}
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template<typename FieldValue>
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void field_generic_generate_db_sql(const wchar_t * db_field_name, const wchar_t * flat_field_name, FieldValue & field_value, bool insertable, bool updatable, bool is_primary_key)
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{
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DbConnector * db_connector = model_connector->get_db_connector();
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if( db_connector )
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{
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DbExpression * db_expression = db_connector->get_expression();
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if( db_expression && !is_empty_field(db_field_name) )
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{
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db_expression->field(db_field_name, field_value, insertable, updatable, is_primary_key, model_env);
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}
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}
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}
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template<typename FieldValue>
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void field_generic_read_value_from_db_resultset(const wchar_t * db_field_name, const wchar_t * flat_field_name, FieldValue & field_value, bool insertable, bool updatable, bool is_primary_key)
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{
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DbConnector * db_connector = model_connector->get_db_connector();
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if( db_connector )
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{
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if( !is_empty_field(db_field_name) )
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{
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if( model_env->cursor_helper && model_env->cursor_helper->has_autogenerated_select )
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{
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get_value_by_field_index(model_env->cursor_helper->current_column, field_value);
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model_env->cursor_helper->current_column += 1;
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}
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else
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{
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get_value_by_field_name(db_field_name, field_value);
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}
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}
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}
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}
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template<typename FieldValue>
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void field_generic_clear_value(const wchar_t * db_field_name, const wchar_t * flat_field_name, FieldValue & field_value, bool insertable, bool updatable, bool is_primary_key)
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{
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Clearer * clearer = model_connector->get_clearer();
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if( clearer )
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{
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clearer->clear_value(field_value);
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}
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}
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// will be changed
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template<typename FieldValue>
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void field_generic_generate_doc_for_flat(const wchar_t * db_field_name, const wchar_t * flat_field_name, FieldValue & field_value, bool insertable, bool updatable, bool is_primary_key)
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{
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FlatConnector * doc_connector = model_connector->get_doc_connector(); // different connector will be here (doc, flat)
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if( doc_connector )
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{
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FlatExpression * doc_expression = doc_connector->get_expression();
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// potrzebujemy dwa rozne doce, jeden dla flat drugi dla bazy danych
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if( doc_expression && !is_empty_field(flat_field_name) )
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{
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// insertable, updatable and is_primary_key are ignored here
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doc_expression->field_doc(*this, flat_field_name, field_value, insertable, updatable, is_primary_key, model_env);
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}
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}
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}
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template<typename FieldValue>
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void field_generic(const wchar_t * db_field_name, const wchar_t * flat_field_name, FieldValue & field_value, bool insertable, bool updatable, bool is_primary_key)
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{
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@@ -681,137 +827,37 @@ protected:
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{
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if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_SET_FIELD_VALUE )
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{
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if( model_env->field_value_helper_tab )
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{
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if( model_env->field_index >= 0 && (size_t)model_env->field_index < model_env->field_value_helper_tab->size() )
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{
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FieldValueHelper & helper = (*model_env->field_value_helper_tab)[model_env->field_index];
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PT::Log * log = model_connector->get_logger();
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if( is_the_same_field(db_field_name, helper.db_field_name) &&
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is_the_same_field(flat_field_name, helper.flat_field_name) )
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{
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if( helper.value_object && helper.value_type_info )
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{
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if( typeid(field_value) == *helper.value_type_info )
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{
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field_value = *(FieldValue*)helper.value_object;
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}
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else
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{
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table_name(model_env->table_name);
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(*log) << PT::Log::log1 << "Morm: incorrect type of a field in " << model_env->table_name << ", ";
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if( !is_empty_field(db_field_name) )
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(*log) << "database field name: " << db_field_name << ", ";
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if( !is_empty_field(flat_field_name) )
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(*log) << "flat field name: " << flat_field_name << ", ";
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(*log) << "type expected " << typeid(field_value).name()
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<< " got " << helper.value_type_info->name() << PT::Log::logend;
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}
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}
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model_env->field_index += 1;
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}
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}
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}
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field_generic_set_field_value(db_field_name, flat_field_name, field_value, insertable, updatable, is_primary_key);
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}
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if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_PRIMARY_KEY_VALUES && is_primary_key )
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if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_PRIMARY_KEY_VALUES )
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{
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if( model_env->field_value_helper_tab )
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{
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if( model_env->field_index >= 0 && (size_t)model_env->field_index < model_env->field_value_helper_tab->size() )
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{
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FieldValueHelper & helper = (*model_env->field_value_helper_tab)[model_env->field_index];
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helper.value_object = &field_value;
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helper.value_type_info = &typeid(field_value);
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}
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}
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model_env->field_index += 1;
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field_generic_iterate_primary_key_values(db_field_name, flat_field_name, field_value, insertable, updatable, is_primary_key);
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}
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if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_GENERATING_FLAT_STRING )
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{
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FlatConnector * flat_connector = model_connector->get_flat_connector();
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if( flat_connector )
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{
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FlatExpression * flat_expression = flat_connector->get_expression();
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if( flat_expression && !is_empty_field(flat_field_name) )
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{
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// insertable, updatable and is_primary_key are ignored here
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flat_expression->field(flat_field_name, field_value, insertable, updatable, is_primary_key, model_env);
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}
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}
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field_generic_generate_flat_string(db_field_name, flat_field_name, field_value, insertable, updatable, is_primary_key);
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}
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if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_GENERATING_DB_SQL )
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{
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DbConnector * db_connector = model_connector->get_db_connector();
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if( db_connector )
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{
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DbExpression * db_expression = db_connector->get_expression();
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if( db_expression && !is_empty_field(db_field_name) )
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{
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db_expression->field(db_field_name, field_value, insertable, updatable, is_primary_key, model_env);
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}
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}
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field_generic_generate_db_sql(db_field_name, flat_field_name, field_value, insertable, updatable, is_primary_key);
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}
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if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_READING_VALUE_FROM_DB_RESULTSET )
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{
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DbConnector * db_connector = model_connector->get_db_connector();
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if( db_connector )
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{
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if( !is_empty_field(db_field_name) )
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{
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if( model_env->cursor_helper && model_env->cursor_helper->has_autogenerated_select )
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{
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get_value_by_field_index(model_env->cursor_helper->current_column, field_value);
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model_env->cursor_helper->current_column += 1;
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}
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else
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{
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get_value_by_field_name(db_field_name, field_value);
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}
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}
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}
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field_generic_read_value_from_db_resultset(db_field_name, flat_field_name, field_value, insertable, updatable, is_primary_key);
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}
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if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_CLEARING_VALUE )
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{
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Clearer * clearer = model_connector->get_clearer();
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if( clearer )
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{
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clearer->clear_value(field_value);
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}
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field_generic_clear_value(db_field_name, flat_field_name, field_value, insertable, updatable, is_primary_key);
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}
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if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_GENERATING_DOC_FOR_FLAT )
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{
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FlatConnector * doc_connector = model_connector->get_doc_connector(); // different connector will be here (doc, flat)
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if( doc_connector )
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{
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FlatExpression * doc_expression = doc_connector->get_expression();
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// potrzebujemy dwa rozne doce, jeden dla flat drugi dla bazy danych
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if( doc_expression && !is_empty_field(flat_field_name) )
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{
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// insertable, updatable and is_primary_key are ignored here
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doc_expression->field_doc(*this, flat_field_name, field_value, insertable, updatable, is_primary_key, model_env);
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}
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}
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field_generic_generate_doc_for_flat(db_field_name, flat_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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@@ -882,6 +928,104 @@ protected:
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}
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void field_model_set_parent_key(const wchar_t * db_field_name, const wchar_t * flat_field_name, Model & field_model)
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{
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DbConnector * db_connector = model_connector->get_db_connector();
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PT::Log * log = model_connector->get_logger();
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if( db_connector )
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{
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DbExpression * db_expression = db_connector->get_expression();
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if( db_expression && !is_empty_field(db_field_name) )
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{
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int old_connector_mode = model_env->model_connector_mode;
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model_env->model_connector_mode = MORM_MODEL_CONNECTOR_MODE_ITERATE_PRIMARY_KEY_VALUES;
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FieldValueHelper helper; // in the future we can have a primary key from more than one column
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helper.db_field_name = db_field_name;
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helper.flat_field_name = flat_field_name;
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std::vector<FieldValueHelper> helper_tab;
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helper_tab.push_back(helper);
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model_env->field_value_helper_tab = &helper_tab;
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model_env->field_index = 0;
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/*
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* first we iterate through fields and save primary key values to helper_tab
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*/
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map_fields();
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if( (size_t)model_env->field_index == helper_tab.size() )
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{
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ModelEnv model_env_local;
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model_env_local.copy_global_objects(*model_env);
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model_env_local.model_connector_mode = MORM_MODEL_CONNECTOR_MODE_SET_FIELD_VALUE;
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model_env_local.field_value_helper_tab = &helper_tab;
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model_env_local.field_index = 0;
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field_model.model_env = &model_env_local;
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/*
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* now we iterate through fields in field_model and save primary key values from *this object to the specified fields in field_model
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*/
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field_model.map_fields();
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if( (size_t)field_model.model_env->field_index != helper_tab.size() && log )
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{
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table_name(model_env->table_name);
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field_model.table_name(field_model.model_env->table_name);
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(*log) << PT::Log::log1 << "Morm: primary key in " << model_env->table_name << " consists of " << model_env->field_index << " column(s)"
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<< " but in " << field_model.model_env->table_name << " there are only "
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<< field_model.model_env->field_index << " matching column(s)" << PT::Log::logend;
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}
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field_model.model_env = nullptr;
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}
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else
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if( log )
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{
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table_name(model_env->table_name);
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(*log) << PT::Log::log1 << "Morm: primary key in " << model_env->table_name << " consists of incorrect number of columns"
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<< ", expected " << helper_tab.size() << " column(s) but got " << model_env->field_index << PT::Log::logend;
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}
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model_env->field_value_helper_tab = nullptr;
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model_env->model_connector_mode = old_connector_mode;
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}
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}
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}
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void field_model_iterate_through_childs(const wchar_t * db_field_name, Model & field_model)
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{
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if( !is_empty_field(db_field_name) )
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{
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if( model_env->model_connector_submode == MORM_MODEL_CONNECTOR_SUBMODE_INSERT )
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{
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field_model.insert_tree(true);
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}
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if( model_env->model_connector_submode == MORM_MODEL_CONNECTOR_SUBMODE_UPDATE )
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{
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field_model.update_tree(true);
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}
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if( model_env->model_connector_submode == MORM_MODEL_CONNECTOR_SUBMODE_REMOVE )
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{
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field_model.remove_tree(true);
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}
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if( model_env->model_connector_submode == MORM_MODEL_CONNECTOR_SUBMODE_SAVE )
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{
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field_model.save_tree(true);
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}
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}
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}
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void field_model_generate_flat_string(const wchar_t * db_field_name, const wchar_t * flat_field_name, Model & field_model, bool insertable, bool updatable)
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{
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@@ -1031,77 +1175,6 @@ protected:
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}
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}
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void field_model_set_parent_key(const wchar_t * db_field_name, const wchar_t * flat_field_name, Model & field_model)
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{
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DbConnector * db_connector = model_connector->get_db_connector();
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PT::Log * log = model_connector->get_logger();
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if( db_connector )
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{
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DbExpression * db_expression = db_connector->get_expression();
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if( db_expression && !is_empty_field(db_field_name) )
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{
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int old_connector_mode = model_env->model_connector_mode;
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model_env->model_connector_mode = MORM_MODEL_CONNECTOR_MODE_ITERATE_PRIMARY_KEY_VALUES;
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FieldValueHelper helper; // in the future we can have a primary key from more than one column
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helper.db_field_name = db_field_name;
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helper.flat_field_name = flat_field_name;
|
||||
|
||||
std::vector<FieldValueHelper> helper_tab;
|
||||
helper_tab.push_back(helper);
|
||||
|
||||
model_env->field_value_helper_tab = &helper_tab;
|
||||
model_env->field_index = 0;
|
||||
|
||||
/*
|
||||
* first we iterate through fields and save primary key values to helper_tab
|
||||
*/
|
||||
map_fields();
|
||||
|
||||
if( (size_t)model_env->field_index == helper_tab.size() )
|
||||
{
|
||||
ModelEnv model_env_local;
|
||||
model_env_local.copy_global_objects(*model_env);
|
||||
model_env_local.model_connector_mode = MORM_MODEL_CONNECTOR_MODE_SET_FIELD_VALUE;
|
||||
model_env_local.field_value_helper_tab = &helper_tab;
|
||||
model_env_local.field_index = 0;
|
||||
field_model.model_env = &model_env_local;
|
||||
|
||||
/*
|
||||
* now we iterate through fields in field_model and save primary key values from *this object to the specified fields in field_model
|
||||
*/
|
||||
field_model.map_fields();
|
||||
|
||||
if( (size_t)field_model.model_env->field_index != helper_tab.size() && log )
|
||||
{
|
||||
table_name(model_env->table_name);
|
||||
field_model.table_name(field_model.model_env->table_name);
|
||||
|
||||
(*log) << PT::Log::log1 << "Morm: primary key in " << model_env->table_name << " consists of " << model_env->field_index << " column(s)"
|
||||
<< " but in " << field_model.model_env->table_name << " there are only "
|
||||
<< field_model.model_env->field_index << " matching column(s)" << PT::Log::logend;
|
||||
}
|
||||
|
||||
field_model.model_env = nullptr;
|
||||
}
|
||||
else
|
||||
if( log )
|
||||
{
|
||||
table_name(model_env->table_name);
|
||||
|
||||
(*log) << PT::Log::log1 << "Morm: primary key in " << model_env->table_name << " consists of incorrect number of columns"
|
||||
<< ", expected " << helper_tab.size() << " column(s) but got " << model_env->field_index << PT::Log::logend;
|
||||
}
|
||||
|
||||
model_env->field_value_helper_tab = nullptr;
|
||||
model_env->model_connector_mode = old_connector_mode;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void field_model(const wchar_t * db_field_name, const wchar_t * flat_field_name, Model & field_model, bool insertable, bool updatable, bool has_foreign_key)
|
||||
{
|
||||
if( model_connector && model_env )
|
||||
@@ -1112,51 +1185,27 @@ protected:
|
||||
field_model.model_env = &model_env_local;
|
||||
field_model.set_connector(model_connector);
|
||||
|
||||
if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_SET_PARENT_ID && !has_foreign_key )
|
||||
if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_SET_PARENT_ID )
|
||||
{
|
||||
field_model_set_parent_key(db_field_name, flat_field_name, field_model);
|
||||
if( !has_foreign_key )
|
||||
{
|
||||
field_model_set_parent_key(db_field_name, flat_field_name, field_model);
|
||||
}
|
||||
}
|
||||
|
||||
if( !is_empty_field(db_field_name) )
|
||||
if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITH_FOREIGN_KEY )
|
||||
{
|
||||
if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITH_FOREIGN_KEY_AND_INSERT && has_foreign_key )
|
||||
if( has_foreign_key )
|
||||
{
|
||||
field_model.insert_tree(true);
|
||||
field_model_iterate_through_childs(db_field_name, field_model);
|
||||
}
|
||||
}
|
||||
|
||||
if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITHOUT_FOREIGN_KEY_AND_INSERT && !has_foreign_key )
|
||||
if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITHOUT_FOREIGN_KEY )
|
||||
{
|
||||
if( !has_foreign_key )
|
||||
{
|
||||
field_model.insert_tree(true);
|
||||
}
|
||||
|
||||
if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITH_FOREIGN_KEY_AND_UPDATE && has_foreign_key )
|
||||
{
|
||||
field_model.update_tree(true);
|
||||
}
|
||||
|
||||
if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITHOUT_FOREIGN_KEY_AND_UPDATE && !has_foreign_key )
|
||||
{
|
||||
field_model.update_tree(true);
|
||||
}
|
||||
|
||||
if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITH_FOREIGN_KEY_AND_REMOVE && has_foreign_key )
|
||||
{
|
||||
field_model.remove_tree(true);
|
||||
}
|
||||
|
||||
if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITHOUT_FOREIGN_KEY_AND_REMOVE && !has_foreign_key )
|
||||
{
|
||||
field_model.remove_tree(true);
|
||||
}
|
||||
|
||||
if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITH_FOREIGN_KEY_AND_SAVE && has_foreign_key )
|
||||
{
|
||||
field_model.save_tree(true);
|
||||
}
|
||||
|
||||
if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITHOUT_FOREIGN_KEY_AND_SAVE && !has_foreign_key )
|
||||
{
|
||||
field_model.save_tree(true);
|
||||
field_model_iterate_through_childs(db_field_name, field_model);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user