what is cowboy ?
cowboy is c++ orm working boy :) it parse models and mappers and then generate dao files. it like myBatis. but without verbose xml config files
how to build?
build acl first
git clone https://github.com/acl-dev/acl.git
cd acl
make build_one
build cowboy.it depend on acl. run "cmake . -DACL_ROOT=acl_path" to generate CMakeFile. and acl_path is acl's path.eg: /home/akzi/code/acl/
git clone https://github.com/acl-dev/cowboy.git
cd cowboy
mkdir cmake_build
cd cmake_build
cmake .. -DACL_ROOT=acl_path
how it work?
cowboy parse model files and mappers,and generate c++ code.
how to use
akzi:~/code/dao_generator/cmake_build$ ./cowboy -h
usage:
-h 'help'
-o 'parse mapper + model generate dao'
-u 'parse sql files generate model + mapper file'
-m 'generate multifile,file per table,default generate single'
-x 'generate dao to 'dao',
'generate mapper to 'mapper',
'generate model to 'model',
'generate create_tables.hpp to create_tables '
-s scan_path 'path to scan,default current dir'
-d dao_path 'generate dao path,default current dir'
-c mapper_path 'generate mapper file path,default current dir'
-k model_path 'generate model file path,default current dir'
-j create_tables_path 'generate create_tables.hpp file path,default current dir'
about:
scan_path:the path cowboy to scan.it will scan files with *.sql when with -u
and scan *.h files with -o
eg:
./cow_boy -u -o
./cow_boy -u -o -x
./cow_boy -u -o -x -m
./cow_boy -u -o -d daos -c mappers -k models -j create_table
eg:
./cow_boy -u -o
./cow_boy -u -o -x
./cow_boy -u -o -x -m
./cow_boy -u -o -d daos -c mappers -k models -j create_table
generate model files from sql
./cow_boy -u
cow_boy will scan all *.sql files. and parse all create table(...)...; sqls, and generate model file.
define models
//@Models
#pragma once
#include <string>
#include <list>
//@Model
//@Table{customer}
struct customer_t
{
customer_t()
{
id = 0;
int a = 2;
a++;
}
long long int id;
std::string address;
//@Column{postcode}
std::string postcode;
//@Column{sex}
std::string sex;
//@Column{cname}
std::string cname;
};
//@Model
//@Table{orders}
struct orders_t
{
orders_t()
{
id = 0;
customer_id = 0;
}
int id;
std::string code;
int customer_id;
};
//@Model
struct customer_order_t :customer_t
{
std::list<orders_t> orders;
};
//@Model
struct order_customer_t :orders_t
{
customer_t customer;
};
- second define mapper
//@Mappers
#pragma once
//@Mapper
struct customer_mapper
{
//@Insert{insert into customer(address,postcode,sex,cname) values (:address,:postcode,:sex,:cname)}
virtual bool insert(const customer_t &obj) = 0;
//@Delete{delete from customer where id=:id}
virtual bool delete_by_id(int id) = 0;
//@Update{update customer set address=:address,postcode=:postcode,sex=:sex,cname=:cname where id=:id}
virtual bool update(const customer_t &obj) = 0;
//@Update{update customer set address=:new_address where id=:id}
virtual bool update_address(const customer_t &obj,const std::string &new_address) = 0;
//@Select{select * from customer where id=:id}
virtual bool select_by_id(customer_t &obj, int id) = 0;
};
//@Mapper
struct orders_mapper
{
//@Insert{insert into order(code,customer_id) values (:code,:customer_id)}
virtual bool insert(const orders_t &obj) = 0;
//@Delete{delete from order where id=:id}
virtual bool delete_by_id(int id) = 0;
//@Update{update order set code=:code,customer_id=:customer_id where id=:id}
virtual bool update(const orders_t &obj) = 0;
//@Select{select * from order where id=:id}
virtual bool select_by_id(orders_t &obj, int id) = 0;
//@Select{select * from order where cname=:name}
virtual bool select_by_name(std::list<orders_t> &obj, std::string &name) = 0;
//@Select{select * from order where customer_id=:cid}
virtual bool get_customer_ordors(std::list<orders_t> &obj, int cid) = 0;
//@Select{select * from order where customer_id=:cid and code !=:code}
virtual bool get_customer_ordors_without(std::list<orders_t> &obj, int cid, const std::string &code) = 0;
};
//@Mapper
struct customer_order_mapper
{
//@Select{select c.id as cid,c.address,c.postcode,c.sex,c.cname,o.id as od,o.code,o.customer_id from customer c, order o where c.id=:id and o.customer_id=c.id}
//@Result{column=cid, property=id}
//@Result{column=oid, property=orders.id}
virtual bool get_customer_order(customer_order_t &obj, int id) = 0;
//@Select{select c.id as cid,c.address,c.postcode,c.sex,c.cname,o.id as oid,o.code,o.customer_id from customer c, orders o where o.customer_id=c.id}
//@Result{column=cid, property=id}
//@Result{column=oid, property=orders.id}
virtual bool get_customer_orders(std::list<customer_order_t> &obj) = 0;
};
//@Mapper
struct order_customer_mapper
{
//@Select{select c.id as cid,c.address,c.postcode,c.sex,c.cname,o.id as oid,o.code,o.customer_id from customer c, orders o where o.id=:id and o.customer_id = c.id}
//@Result{column=cid, property=customer.id}
//@Result{column=oid, property=id}
virtual bool get_order_customer(order_customer_t &obj, int id) = 0;
//@Select{select c.id as cid,c.address,c.postcode,c.sex,c.cname,o.id as oid,o.code,o.customer_id from customer c, orders o where o.customer_id = c.id}
//@Result{column=cid, property=customer.id}
//@Result{column=oid, property=id}
virtual bool get_order_customers(std::list<order_customer_t> &obj) = 0;
//@Select{select c.id as cid,c.address,c.postcode,c.sex,c.cname,o.id as oid,o.code,o.customer_id from customer c, orders o where o.customer_id = c.id and c.cname = :name}
//@Result{column=cid, property=customer.id}
//@Result{column=oid, property=id}
virtual bool get_order_customers_by_name(std::list<order_customer_t> &obj,const std::string & name) = 0;
};- generate c++ code
akzi@akzi:~/code/dao_generator/cmake_build/dao$ ls
CMakeCache.txt CMakeFiles cmake_install.cmake dao gen_dao Makefile mapper.h model.h
./gen_dao -s . -d ./dao
akzi@akzi:~/code/dao_generator/cmake_build/dao$ ls
dao.cpp dao.h
it will generate dao files.
show dao.h file
#pragma once
class customer_dao: public customer_mapper
{
public:
customer_dao(acl::db_handle& handle);
//@Insert{insert into customer(address,postcode,sex,cname) values (:address,:postcode,:sex,:cname)}
virtual bool insert(const customer_t &obj) ;
//@Delete{delete from customer where id=:id}
virtual bool delete_by_id(int id) ;
//@Update{update customer set address=:address,postcode=:postcode,sex=:sex,cname=:cname where id=:id}
virtual bool update(const customer_t &obj) ;
//@Update{update customer set address=:new_address where id=:id}
virtual bool update_address(const customer_t &obj,const std::string &new_address) ;
//@Select{select * from customer where id=:id}
virtual bool select_by_id(customer_t &obj, int id) ;
private:
acl::db_handle& db_handle_;
};
class orders_dao: public orders_mapper
{
public:
orders_dao(acl::db_handle& handle);
//@Insert{insert into order(code,customer_id) values (:code,:customer_id)}
virtual bool insert(const orders_t &obj) ;
//@Delete{delete from order where id=:id}
virtual bool delete_by_id(int id) ;
//@Update{update order set code=:code,customer_id=:customer_id where id=:id}
virtual bool update(const orders_t &obj) ;
//@Select{select * from order where id=:id}
virtual bool select_by_id(orders_t &obj, int id) ;
//@Select{select * from order where cname=:name}
virtual bool select_by_name(std::list<orders_t> &obj, std::string &name) ;
//@Select{select * from order where customer_id=:cid}
virtual bool get_customer_ordors(std::list<orders_t> &obj, int cid) ;
//@Select{select * from order where customer_id=:cid and code !=:code}
virtual bool get_customer_ordors_without(std::list<orders_t> &obj, int cid, const std::string &code) ;
private:
acl::db_handle& db_handle_;
};
class customer_order_dao: public customer_order_mapper
{
public:
customer_order_dao(acl::db_handle& handle);
//@Select{select c.id as cid,c.address,c.postcode,c.sex,c.cname,o.id as od,o.code,o.customer_id from customer c, order o where c.id=:id and o.customer_id=c.id}
//@Result{column=cid, property=id}
//@Result{column=oid, property=orders.id}
virtual bool get_customer_order(customer_order_t &obj, int id) ;
//@Select{select c.id as cid,c.address,c.postcode,c.sex,c.cname,o.id as oid,o.code,o.customer_id from customer c, orders o where o.customer_id=c.id}
//@Result{column=cid, property=id}
//@Result{column=oid, property=orders.id}
virtual bool get_customer_orders(std::list<customer_order_t> &obj) ;
private:
acl::db_handle& db_handle_;
};
class order_customer_dao: public order_customer_mapper
{
public:
order_customer_dao(acl::db_handle& handle);
//@Select{select c.id as cid,c.address,c.postcode,c.sex,c.cname,o.id as oid,o.code,o.customer_id from customer c, orders o where o.id=:id and o.customer_id = c.id}
//@Result{column=cid, property=customer.id}
//@Result{column=oid, property=id}
virtual bool get_order_customer(order_customer_t &obj, int id) ;
//@Select{select c.id as cid,c.address,c.postcode,c.sex,c.cname,o.id as oid,o.code,o.customer_id from customer c, orders o where o.customer_id = c.id}
//@Result{column=cid, property=customer.id}
//@Result{column=oid, property=id}
virtual bool get_order_customers(std::list<order_customer_t> &obj) ;
//@Select{select c.id as cid,c.address,c.postcode,c.sex,c.cname,o.id as oid,o.code,o.customer_id from customer c, orders o where o.customer_id = c.id and c.cname = :name}
//@Result{column=cid, property=customer.id}
//@Result{column=oid, property=id}
virtual bool get_order_customers_by_name(std::list<order_customer_t> &obj,const std::string & name) ;
private:
acl::db_handle& db_handle_;
};