added: to Model: virtual void set_parent_key_in_childs()

for setting a parent key id in child models,
       it is called after after_insert() method
added: SetFieldValueHelper class used for storing primary key values from a parent model




git-svn-id: svn://ttmath.org/publicrep/morm/trunk@1204 e52654a7-88a9-db11-a3e9-0013d4bc506e
This commit is contained in:
Tomasz Sowa 2019-08-22 18:33:35 +00:00
parent 52422d929e
commit 7ff05f493c
10 changed files with 571 additions and 32 deletions

View File

@ -14,10 +14,11 @@ main.o: ../../morm/src/queryresult.h ../../morm/src/flatconnector.h
main.o: ../../morm/src/dbexpression.h ../../morm/src/baseexpression.h
main.o: ../../morm/src/modelenv.h ../../morm/src/modeldata.h
main.o: ../../morm/src/cursorhelper.h ../../morm/src/finderhelper.h
main.o: ../../morm/src/flatexpression.h ../../morm/src/finder.h
main.o: ../../pikotools/utf8/utf8.h ../../morm/src/cursor.h
main.o: ../../morm/src/jsonexpression.h ../../morm/src/postgresqlexpression.h
main.o: ../../morm/src/setfieldvaluehelper.h ../../morm/src/flatexpression.h
main.o: ../../morm/src/finder.h ../../pikotools/utf8/utf8.h
main.o: ../../morm/src/cursor.h ../../morm/src/jsonexpression.h
main.o: ../../morm/src/postgresqlexpression.h
main.o: ../../morm/src/dochtmlexpression.h ../../morm/src/jsonconnector.h
main.o: ../../morm/src/postgresqlconnector.h
main.o: ../../morm/src/postgresqlqueryresult.h
main.o: ../../morm/src/dochtmlconnector.h person.h language.h
main.o: ../../morm/src/dochtmlconnector.h person.h language.h attachment.h

105
samples/attachment.h Normal file
View File

@ -0,0 +1,105 @@
/*
* This file is a part of morm
* and is distributed under the 2-Clause BSD licence.
* Author: Tomasz Sowa <t.sowa@ttmath.org>
*/
/*
* Copyright (c) 2019, Tomasz Sowa
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef headerfile_morm_samples_attachment
#define headerfile_morm_samples_attachment
#include <string>
#include "morm.h"
namespace morm
{
namespace samples
{
/*
CREATE TABLE public.attachment (
id bigserial,
bigint person_id,
name varchar(64),
content text,
some_flags bool,
created_date timestamp with time zone,
primary key(id)
);
*/
class Attachment : public morm::Model
{
public:
long id;
long person_id;
std::wstring name;
std::string content;
bool some_flags;
PT::Date created_date;
void map_fields()
{
field(L"id", id, false, false, true);
field(L"person_id", person_id);
field(L"name", name);
field(L"content", content);
field(L"some_flags", some_flags);
field(L"created_date", created_date);
}
void table_name(PT::TextStream & stream)
{
// schema.table_name or just table_name
stream << "public.attachment";
}
void after_insert()
{
get_last_sequence(L"public.attachment_id_seq", id);
}
};
}
}
#endif

View File

@ -38,6 +38,8 @@
#include <string>
#include "morm.h"
#include "language.h"
#include "attachment.h"
namespace morm
@ -67,14 +69,21 @@ public:
std::wstring email;
Language language;
Attachment attachment;
void map_fields()
{
field(L"id", id, false, false, true);
//field(L"id", id, f::no_insertable | f::no_updatable | f::primary_key);
field(L"first_name", first_name);
field(L"last_name", last_name);
field(L"email", email);
field(L"language_id", language);
field(L"person_id", attachment, true, true, false);
//field(L"person_id", attachment, f::insertable | f::updatable | f::foreign_key);
//field(L"person_id", attachment, f::insertable, f::updatable, f::foreign_key);
}
void table_name(PT::TextStream & stream)

View File

@ -32,9 +32,11 @@
*
*/
#include <ctime>
#include "basesample.h"
#include "person.h"
#include "language.h"
#include "attachment.h"
namespace morm
@ -52,6 +54,9 @@ void make()
person.set_connector(model_connector);
load_defaults(person);
std::wstring sss = L"cosik";
person.set_field_value_generic(L"email", L"email", sss);
person.insert();
}
@ -75,6 +80,14 @@ private:
person.language.local_name = L"polish";
person.language.code_str = L"en";
person.language.code_int = 200;
std::time_t t = std::time(0);
person.attachment.person_id = -1;
person.attachment.created_date.FromTime(t);
person.attachment.name = L"attchment name";
person.attachment.content = "long binary content";
person.attachment.some_flags = true;
}

View File

@ -8,10 +8,10 @@ baseexpression.o: ../../pikotools/convert/inttostr.h
baseexpression.o: ../../pikotools/membuffer/membuffer.h
baseexpression.o: ../../pikotools/textstream/types.h morm_types.h modelenv.h
baseexpression.o: modeldata.h cursorhelper.h queryresult.h finderhelper.h
baseexpression.o: model.h modelconnector.h clearer.h dbconnector.h
baseexpression.o: ../../pikotools/log/log.h ../../pikotools/log/filelog.h
baseexpression.o: flatconnector.h dbexpression.h flatexpression.h
baseexpression.o: ../../pikotools/utf8/utf8.h
baseexpression.o: setfieldvaluehelper.h model.h modelconnector.h clearer.h
baseexpression.o: dbconnector.h ../../pikotools/log/log.h
baseexpression.o: ../../pikotools/log/filelog.h flatconnector.h
baseexpression.o: dbexpression.h flatexpression.h ../../pikotools/utf8/utf8.h
clearer.o: clearer.h ../../pikotools/date/date.h
clearer.o: ../../pikotools/convert/inttostr.h model.h
clearer.o: ../../pikotools/textstream/textstream.h
@ -21,7 +21,7 @@ clearer.o: ../../pikotools/textstream/types.h modelconnector.h dbconnector.h
clearer.o: ../../pikotools/log/log.h ../../pikotools/log/filelog.h
clearer.o: queryresult.h flatconnector.h dbexpression.h baseexpression.h
clearer.o: morm_types.h modelenv.h modeldata.h cursorhelper.h finderhelper.h
clearer.o: flatexpression.h
clearer.o: setfieldvaluehelper.h flatexpression.h
dbconnector.o: dbconnector.h ../../pikotools/textstream/textstream.h
dbconnector.o: ../../pikotools/space/space.h
dbconnector.o: ../../pikotools/textstream/types.h ../../pikotools/date/date.h
@ -30,8 +30,8 @@ dbconnector.o: ../../pikotools/membuffer/membuffer.h
dbconnector.o: ../../pikotools/textstream/types.h ../../pikotools/log/log.h
dbconnector.o: ../../pikotools/log/filelog.h queryresult.h dbexpression.h
dbconnector.o: baseexpression.h morm_types.h modelenv.h modeldata.h
dbconnector.o: cursorhelper.h finderhelper.h model.h modelconnector.h
dbconnector.o: clearer.h flatconnector.h flatexpression.h
dbconnector.o: cursorhelper.h finderhelper.h setfieldvaluehelper.h model.h
dbconnector.o: modelconnector.h clearer.h flatconnector.h flatexpression.h
dbconnector.o: ../../pikotools/utf8/utf8.h ../../pikotools/convert/convert.h
dbconnector.o: ../../pikotools/convert/inttostr.h
dbconnector.o: ../../pikotools/convert/patternreplacer.h
@ -46,6 +46,7 @@ dbexpression.o: ../../pikotools/convert/inttostr.h
dbexpression.o: ../../pikotools/membuffer/membuffer.h
dbexpression.o: ../../pikotools/textstream/types.h morm_types.h modelenv.h
dbexpression.o: modeldata.h cursorhelper.h queryresult.h finderhelper.h
dbexpression.o: setfieldvaluehelper.h
dochtmlconnector.o: dochtmlconnector.h flatconnector.h
dochtmlconnector.o: ../../pikotools/textstream/textstream.h
dochtmlconnector.o: ../../pikotools/space/space.h
@ -56,6 +57,7 @@ dochtmlconnector.o: ../../pikotools/membuffer/membuffer.h
dochtmlconnector.o: ../../pikotools/textstream/types.h dochtmlexpression.h
dochtmlconnector.o: flatexpression.h baseexpression.h morm_types.h modelenv.h
dochtmlconnector.o: modeldata.h cursorhelper.h queryresult.h finderhelper.h
dochtmlconnector.o: setfieldvaluehelper.h
dochtmlexpression.o: dochtmlexpression.h flatexpression.h baseexpression.h
dochtmlexpression.o: ../../pikotools/textstream/textstream.h
dochtmlexpression.o: ../../pikotools/space/space.h
@ -65,7 +67,7 @@ dochtmlexpression.o: ../../pikotools/convert/inttostr.h
dochtmlexpression.o: ../../pikotools/membuffer/membuffer.h
dochtmlexpression.o: ../../pikotools/textstream/types.h morm_types.h
dochtmlexpression.o: modelenv.h modeldata.h cursorhelper.h queryresult.h
dochtmlexpression.o: finderhelper.h
dochtmlexpression.o: finderhelper.h setfieldvaluehelper.h
flatconnector.o: flatconnector.h ../../pikotools/textstream/textstream.h
flatconnector.o: ../../pikotools/space/space.h
flatconnector.o: ../../pikotools/textstream/types.h
@ -74,10 +76,10 @@ flatconnector.o: ../../pikotools/convert/inttostr.h
flatconnector.o: ../../pikotools/membuffer/membuffer.h
flatconnector.o: ../../pikotools/textstream/types.h flatexpression.h
flatconnector.o: baseexpression.h morm_types.h modelenv.h modeldata.h
flatconnector.o: cursorhelper.h queryresult.h finderhelper.h model.h
flatconnector.o: modelconnector.h clearer.h dbconnector.h
flatconnector.o: ../../pikotools/log/log.h ../../pikotools/log/filelog.h
flatconnector.o: dbexpression.h
flatconnector.o: cursorhelper.h queryresult.h finderhelper.h
flatconnector.o: setfieldvaluehelper.h model.h modelconnector.h clearer.h
flatconnector.o: dbconnector.h ../../pikotools/log/log.h
flatconnector.o: ../../pikotools/log/filelog.h dbexpression.h
flatexpression.o: flatexpression.h baseexpression.h
flatexpression.o: ../../pikotools/textstream/textstream.h
flatexpression.o: ../../pikotools/space/space.h
@ -87,6 +89,7 @@ flatexpression.o: ../../pikotools/convert/inttostr.h
flatexpression.o: ../../pikotools/membuffer/membuffer.h
flatexpression.o: ../../pikotools/textstream/types.h morm_types.h modelenv.h
flatexpression.o: modeldata.h cursorhelper.h queryresult.h finderhelper.h
flatexpression.o: setfieldvaluehelper.h
jsonconnector.o: jsonconnector.h flatconnector.h
jsonconnector.o: ../../pikotools/textstream/textstream.h
jsonconnector.o: ../../pikotools/space/space.h
@ -97,6 +100,7 @@ jsonconnector.o: ../../pikotools/membuffer/membuffer.h
jsonconnector.o: ../../pikotools/textstream/types.h jsonexpression.h
jsonconnector.o: flatexpression.h baseexpression.h morm_types.h modelenv.h
jsonconnector.o: modeldata.h cursorhelper.h queryresult.h finderhelper.h
jsonconnector.o: setfieldvaluehelper.h
jsonexpression.o: jsonexpression.h flatexpression.h baseexpression.h
jsonexpression.o: ../../pikotools/textstream/textstream.h
jsonexpression.o: ../../pikotools/space/space.h
@ -106,6 +110,7 @@ jsonexpression.o: ../../pikotools/convert/inttostr.h
jsonexpression.o: ../../pikotools/membuffer/membuffer.h
jsonexpression.o: ../../pikotools/textstream/types.h morm_types.h modelenv.h
jsonexpression.o: modeldata.h cursorhelper.h queryresult.h finderhelper.h
jsonexpression.o: setfieldvaluehelper.h
model.o: model.h ../../pikotools/textstream/textstream.h
model.o: ../../pikotools/space/space.h ../../pikotools/textstream/types.h
model.o: ../../pikotools/date/date.h ../../pikotools/convert/inttostr.h
@ -114,7 +119,7 @@ model.o: ../../pikotools/textstream/types.h modelconnector.h clearer.h
model.o: dbconnector.h ../../pikotools/log/log.h
model.o: ../../pikotools/log/filelog.h queryresult.h flatconnector.h
model.o: dbexpression.h baseexpression.h morm_types.h modelenv.h modeldata.h
model.o: cursorhelper.h finderhelper.h flatexpression.h
model.o: cursorhelper.h finderhelper.h setfieldvaluehelper.h flatexpression.h
modelconnector.o: modelconnector.h clearer.h ../../pikotools/date/date.h
modelconnector.o: ../../pikotools/convert/inttostr.h dbconnector.h
modelconnector.o: ../../pikotools/textstream/textstream.h
@ -137,7 +142,8 @@ postgresqlconnector.o: ../../pikotools/log/filelog.h queryresult.h
postgresqlconnector.o: postgresqlqueryresult.h ../../pikotools/utf8/utf8.h
postgresqlconnector.o: postgresqlexpression.h dbexpression.h baseexpression.h
postgresqlconnector.o: morm_types.h modelenv.h modeldata.h cursorhelper.h
postgresqlconnector.o: finderhelper.h ../../pikotools/convert/strtoint.h
postgresqlconnector.o: finderhelper.h setfieldvaluehelper.h
postgresqlconnector.o: ../../pikotools/convert/strtoint.h
postgresqlconnector.o: ../../pikotools/convert/text.h
postgresqlconnector.o: ../../pikotools/convert/misc.h
postgresqlexpression.o: postgresqlexpression.h dbexpression.h
@ -150,7 +156,7 @@ postgresqlexpression.o: ../../pikotools/convert/inttostr.h
postgresqlexpression.o: ../../pikotools/membuffer/membuffer.h
postgresqlexpression.o: ../../pikotools/textstream/types.h morm_types.h
postgresqlexpression.o: modelenv.h modeldata.h cursorhelper.h queryresult.h
postgresqlexpression.o: finderhelper.h
postgresqlexpression.o: finderhelper.h setfieldvaluehelper.h
postgresqlqueryresult.o: postgresqlqueryresult.h queryresult.h
queryresult.o: queryresult.h ../../pikotools/utf8/utf8.h
queryresult.o: ../../pikotools/textstream/textstream.h

View File

@ -238,7 +238,12 @@ bool Model::insert(ModelData * model_data, bool insert_whole_tree)
model_env = &model_env_local;
model_env->model_data = model_data;
return insert_tree(insert_whole_tree);
bool status = insert_tree(insert_whole_tree);
// what about if an exception was thrown? this pointer will not be null
model_env = nullptr;
return status;
}
@ -272,15 +277,19 @@ bool Model::insert_tree(bool insert_whole_tree)
{
save_mode = DO_UPDATE_ON_SAVE; // IMPROVE ME check if there is a primary key
after_insert();
set_parent_key_in_childs();
}
else
{
after_insert_failure();
}
}
}
// what about if an exception was thrown? this pointer will not be null
model_env = nullptr;
if( insert_whole_tree )
{
model_env->model_connector_mode = MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_AND_INSERT_XXX;
map_fields();
}
return result;
@ -632,5 +641,30 @@ bool Model::is_empty_field(const wchar_t * value)
}
bool Model::is_the_same_field(const wchar_t * field1, const wchar_t * field2)
{
if( !field1 && !field2 )
return true;
if( !field1 || !field2 )
return false;
bool the_same = false;
while( *field1 && *field2 )
{
field1 += 1;
field2 += 1;
}
if( *field1 == 0 && *field2 == 0 )
{
the_same = true;
}
return the_same;
}
} // namespace

View File

@ -132,6 +132,27 @@ public:
// set object to default values
virtual void clear();
// IMPROVE ME this will be protected
// add set_field_value() functions for each POD type
template<typename FieldValue>
void set_field_value_generic(const wchar_t * db_field_name, const wchar_t * flat_field_name, const FieldValue & field_value)
{
ModelEnv model_env_local;
model_env = &model_env_local;
model_env->model_connector_mode = MORM_MODEL_CONNECTOR_MODE_SET_FIELD_VALUE;
model_env->field_index = 0;
SetFieldValueHelper set_field_value_helper;
FieldValueContainer<FieldValue> helper_object(field_value);
set_field_value_helper.add(db_field_name, flat_field_name, &helper_object, false);
model_env->set_field_value_helper = &set_field_value_helper;
map_fields();
// what if an exception was thrown?
model_env = nullptr;
}
protected:
@ -272,9 +293,9 @@ protected:
field_generic(field_name, field_name, field_value, insertable, updatable, is_primary_key);
}
void field(const wchar_t * field_name, Model & field_value, bool insertable = true, bool updatable = true)
void field(const wchar_t * field_name, Model & field_value, bool insertable = true, bool updatable = true, bool has_foreign_key = true)
{
field_model(field_name, field_name, field_value, insertable, updatable, true);
field_model(field_name, field_name, field_value, insertable, updatable, has_foreign_key);
}
template<typename ModelClass>
@ -394,9 +415,9 @@ protected:
}
void field(const wchar_t * db_field_name, const wchar_t * flat_field_name, Model & field_value, bool insertable = true, bool updatable = true)
void field(const wchar_t * db_field_name, const wchar_t * flat_field_name, Model & field_value, bool insertable = true, bool updatable = true, bool has_foreign_key = true)
{
field_model(db_field_name, flat_field_name, field_value, insertable, updatable, true);
field_model(db_field_name, flat_field_name, field_value, insertable, updatable, has_foreign_key);
}
template<typename ModelClass>
@ -651,6 +672,47 @@ protected:
{
if( model_connector && model_env )
{
if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_SET_FIELD_VALUE )
{
if( model_env->set_field_value_helper )
{
if( model_env->field_index >= 0 && (size_t)model_env->field_index < model_env->set_field_value_helper->size() )
{
if( is_the_same_field(db_field_name, model_env->set_field_value_helper->get_db_field_name(model_env->field_index)) &&
is_the_same_field(flat_field_name, model_env->set_field_value_helper->get_flat_field_name(model_env->field_index)) )
{
model_env->set_field_value_helper->set_value(model_env->field_index, field_value);
model_env->field_index += 1;
}
}
else
{
// IMPROVE ME
// put some log here
}
}
}
if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_PRIMARY_KEY_VALUES && is_primary_key )
{
if( model_env->set_field_value_helper )
{
if( model_env->field_index >= 0 && (size_t)model_env->field_index < model_env->set_field_value_helper->size() )
{
FieldValueBase * helper_object = new FieldValueContainer<FieldValue>(field_value);
model_env->set_field_value_helper->add_field_value_container(model_env->field_index, helper_object, true);
}
else
{
// IMPROVE ME
// put some log here
}
}
model_env->field_index += 1;
}
if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_GENERATING_FLAT_STRING )
{
FlatConnector * flat_connector = model_connector->get_flat_connector();
@ -827,13 +889,13 @@ protected:
field_model_left_join(db_field_name, flat_field_name, field_model, insertable, updatable, has_foreign_key, db_expression);
}
if( db_expression->get_work_mode() == MORM_WORK_MODE_MODEL_FIELDS && db_expression->get_output_type() == MORM_OUTPUT_TYPE_DB_INSERT )
if( db_expression->get_work_mode() == MORM_WORK_MODE_MODEL_FIELDS && db_expression->get_output_type() == MORM_OUTPUT_TYPE_DB_INSERT && has_foreign_key )
{
int not_used_object = 0;
db_expression->field(db_field_name, not_used_object, insertable, updatable, false, model_env);
}
if( db_expression->get_work_mode() == MORM_WORK_MODE_MODEL_VALUES && db_expression->get_output_type() == MORM_OUTPUT_TYPE_DB_INSERT )
if( db_expression->get_work_mode() == MORM_WORK_MODE_MODEL_VALUES && db_expression->get_output_type() == MORM_OUTPUT_TYPE_DB_INSERT && has_foreign_key )
{
db_expression->set_output_type(MORM_OUTPUT_TYPE_DB_INSERT_PRIMARY_KEY);
field_model.map_fields();
@ -902,6 +964,56 @@ protected:
}
}
void field_model_set_parent_key(const wchar_t * db_field_name, const wchar_t * flat_field_name, Model & field_model)
{
DbConnector * db_connector = model_connector->get_db_connector();
if( db_connector )
{
DbExpression * db_expression = db_connector->get_expression();
if( db_expression && !is_empty_field(db_field_name) )
{
int old_connector_mode = model_env->model_connector_mode;
model_env->model_connector_mode = MORM_MODEL_CONNECTOR_MODE_ITERATE_PRIMARY_KEY_VALUES;
SetFieldValueHelper set_field_value_helper;
set_field_value_helper.add(db_field_name, flat_field_name); // in the future we can have a primary key from more than one column
model_env->set_field_value_helper = &set_field_value_helper;
model_env->field_index = 0;
map_fields();
if( set_field_value_helper.empty() )
{
// IMPROVE ME
// put some log: there is no a primary key in this model
}
else
if( set_field_value_helper.size() == 1 )
{
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.set_field_value_helper = &set_field_value_helper;
model_env_local.field_index = 0;
field_model.model_env = &model_env_local;
field_model.map_fields();
field_model.model_env = nullptr;
model_env->set_field_value_helper = nullptr;
model_env->model_connector_mode = old_connector_mode;
}
else
{
// IMPROVE ME
// put some log: at the moment we only support a primary key from only one column
}
}
}
}
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)
{
@ -913,11 +1025,27 @@ protected:
field_model.model_env = &model_env_local;
field_model.set_connector(model_connector);
if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_AND_INSERT )
if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_SET_PARENT_ID && !has_foreign_key )
{
// IMPROVE ME what about if db_field_name is empty? not iterate in such a case?
field_model.map_fields();
field_model.insert_tree(true);
field_model_set_parent_key(db_field_name, flat_field_name, field_model);
}
if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_AND_INSERT && has_foreign_key )
{
if( !is_empty_field(db_field_name) )
{
field_model.map_fields();
field_model.insert_tree(true);
}
}
if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_AND_INSERT_XXX && !has_foreign_key )
{
if( !is_empty_field(db_field_name) )
{
field_model.map_fields();
field_model.insert_tree(true);
}
}
if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_AND_UPDATE )
@ -1155,6 +1283,17 @@ protected:
}
}
virtual void set_parent_key_in_childs()
{
if( model_env )
{
model_env->model_connector_mode = MORM_MODEL_CONNECTOR_MODE_SET_PARENT_ID;
map_fields();
}
}
public:
@ -1217,9 +1356,11 @@ public:
}
protected:
virtual bool is_empty_field(const wchar_t * value);
virtual bool is_the_same_field(const wchar_t * field1, const wchar_t * field2);
template<typename ModelClass> friend class Finder;
template<typename ModelClass> friend class Cursor;

View File

@ -38,12 +38,14 @@
#include "modeldata.h"
#include "cursorhelper.h"
#include "finderhelper.h"
#include "setfieldvaluehelper.h"
#include "morm_types.h"
namespace morm
{
class ModelEnv
{
public:
@ -58,7 +60,9 @@ public:
PT::TextStream table_name;
PT::TextStream table_name_short;
int table_index;
int field_index;
SetFieldValueHelper * set_field_value_helper;
ModelEnv()
@ -80,6 +84,10 @@ public:
model_connector_mode = e.model_connector_mode;
table_index = e.table_index;
doc_field_pointer = e.doc_field_pointer;
set_field_value_helper = e.set_field_value_helper;
field_index = e.field_index;
// table_name and table_name_short don't have to bo copied
}
@ -104,6 +112,8 @@ public:
table_name.clear();
table_name_short.clear();
table_index = 0;
set_field_value_helper = nullptr;
field_index = 0;
}

View File

@ -47,10 +47,22 @@
#define MORM_MODEL_CONNECTOR_MODE_READING_VALUE_FROM_DB_RESULTSET 6
#define MORM_MODEL_CONNECTOR_MODE_CLEARING_VALUE 7
// RENAME TO MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITH_FOREIGN_KEY_AND_INSERT
#define MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_AND_INSERT 8
// RENAME ME MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITHOUT_FOREIGN_KEY_AND_INSERT
#define MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_AND_INSERT_XXX 30
#define MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_AND_UPDATE 9
#define MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_AND_SAVE 10
#define MORM_MODEL_CONNECTOR_MODE_SET_PARENT_ID 11
#define MORM_MODEL_CONNECTOR_MODE_ITERATE_PRIMARY_KEY_VALUES 12
#define MORM_MODEL_CONNECTOR_MODE_SET_FIELD_VALUE 13
#define MORM_WORK_MODE_MODEL_FIELDS 1
#define MORM_WORK_MODE_MODEL_VALUES 2
@ -76,6 +88,8 @@
#define MORM_OUTPUT_TYPE_SELECT_COLUMNS 7
#define MORM_OUTPUT_TYPE_JOIN_TABLES 8
#define MORM_OUTPUT_TYPE_COPY_PARENT_KEY 8
#define MORM_OUTPUT_TYPE_WHERE_EQ 10
#define MORM_OUTPUT_TYPE_WHERE_LT 11

206
src/setfieldvaluehelper.h Normal file
View File

@ -0,0 +1,206 @@
/*
* This file is a part of morm
* and is distributed under the 2-Clause BSD licence.
* Author: Tomasz Sowa <t.sowa@ttmath.org>
*/
/*
* Copyright (c) 2019, Tomasz Sowa
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef headerfile_morm_setfieldvaluehelper
#define headerfile_morm_setfieldvaluehelper
#include <vector>
#include <typeinfo>
namespace morm
{
struct FieldValueBase
{
FieldValueBase()
{
}
virtual ~FieldValueBase()
{
}
virtual void set(void * value, const std::type_info & value_type_info) = 0;
};
template<typename FieldValue>
struct FieldValueContainer : public FieldValueBase
{
FieldValueContainer(const FieldValue & value)
{
this->value = &value;
}
void set(void * value, const std::type_info & value_type_info)
{
if( value_type_info == typeid(FieldValue) )
{
FieldValue * field_value = reinterpret_cast<FieldValue*>(value);
*field_value = *this->value;
}
}
const FieldValue * value;
};
class SetFieldValueHelper
{
public:
struct Item
{
const wchar_t * db_field_name;
const wchar_t * flat_field_name;
FieldValueBase * field_value_base;
bool auto_remove_field_value_object;
Item()
{
db_field_name = nullptr;
flat_field_name = nullptr;
field_value_base = nullptr;
auto_remove_field_value_object = false;
}
~Item()
{
}
};
std::vector<Item> item_tab;
SetFieldValueHelper()
{
clear();
}
virtual ~SetFieldValueHelper()
{
remove_field_value_base_objects();
}
virtual void remove_field_value_base_objects()
{
for(Item & item : item_tab)
{
if( item.auto_remove_field_value_object )
{
delete item.field_value_base;
item.field_value_base = nullptr;
}
}
}
virtual void clear()
{
item_tab.clear();
}
virtual void add(const wchar_t * db_field_name, const wchar_t * flat_field_name)
{
add(db_field_name, flat_field_name, nullptr, false);
}
virtual void add(const wchar_t * db_field_name, const wchar_t * flat_field_name, FieldValueBase * field_value_base, bool auto_remove_field_value_object)
{
Item item;
item.db_field_name = db_field_name;
item.flat_field_name = flat_field_name;
item.field_value_base = field_value_base;
item.auto_remove_field_value_object = auto_remove_field_value_object;
item_tab.push_back(item);
}
virtual size_t size()
{
return item_tab.size();
}
virtual bool empty()
{
return item_tab.empty();
}
virtual void add_field_value_container(size_t index, FieldValueBase * field_value_base, bool auto_remove_field_value_object)
{
if( item_tab[index].field_value_base && item_tab[index].auto_remove_field_value_object )
{
delete item_tab[index].field_value_base;
}
item_tab[index].field_value_base = field_value_base;
item_tab[index].auto_remove_field_value_object = auto_remove_field_value_object;
}
template<typename FieldValue>
void set_value(size_t index, FieldValue & value)
{
if( item_tab[index].field_value_base )
{
item_tab[index].field_value_base->set(&value, typeid(value));
}
}
virtual const wchar_t * get_db_field_name(size_t index)
{
return item_tab[index].db_field_name;
}
virtual const wchar_t * get_flat_field_name(size_t index)
{
return item_tab[index].flat_field_name;
}
};
}
#endif