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sample.cpp
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sample.cpp
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#include "hiberlite.h"
#include <string>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;
class Person{
friend class hiberlite::access;
template<class Archive>
void hibernate(Archive & ar)
{
ar & HIBERLITE_NVP(name);
ar & HIBERLITE_NVP(age);
ar & HIBERLITE_NVP(bio);
}
public:
string name;
double age;
vector<string> bio;
};
HIBERLITE_EXPORT_CLASS(Person)
void createDB()
{
hiberlite::Database db("sample.db");
//register bean classes
db.registerBeanClass<Person>();
//drop all tables beans will use
db.dropModel();
//create those tables again with proper schema
db.createModel();
const char* names[5]={"Stanley Marsh", "Kyle Broflovski", "Eric Theodore Cartman", "Kenneth McCormick", "Leopold Stotch"};
for(unsigned int i=0;i<5;i++) {
Person x;
x.name=names[i%5];
x.age=14+i*0.1;
x.bio.push_back("Hello");
x.bio.push_back("world");
x.bio.push_back("!");
hiberlite::bean_ptr<Person> p=db.copyBean(x); //create a managed copy of the object
}
}
void printDB()
{
hiberlite::Database db("sample.db");
db.registerBeanClass<Person>();
cout << string(15,'=')+"\nreading the DB\n";
vector< hiberlite::bean_ptr<Person> > v=db.getAllBeans<Person>();
cout << "found " << v.size() << " persons in the database:\n";
for(size_t j=0;j<v.size();j++){
cout << "[name=" << v[j]->name << "\t";
cout << "age=" << v[j]->age << "\t";
cout << "bio={";
for(size_t i=0;i<v[j]->bio.size();i++)
i && cout << ", ", cout << v[j]->bio[i];
cout << "}]\n";
}
}
void modifyDB()
{
hiberlite::Database db("sample.db");
db.registerBeanClass<Person>();
vector< hiberlite::bean_ptr<Person> > v=db.getAllBeans<Person>();
cout << v[0]->name << " will be deleted.\n";
v[0].destroy();
cout << v[1]->name << " becomes 1 year older.\n\n";
v[1]->age+=1;
}
int main()
{
createDB();
printDB();
modifyDB();
printDB();
modifyDB();
printDB();
return 0;
}