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authorBoris Kolpackov <boris@codesynthesis.com>2011-02-04 14:02:12 +0200
committerBoris Kolpackov <boris@codesynthesis.com>2011-02-04 14:02:12 +0200
commitacba5c43f189dfddef4992371fadaa6f019a8027 (patch)
treea10ac88a6ab8f84c33a3a19cf092feddb802ee7f /boost/driver.cxx
parentb3fa74d407c8a7bdc39c381137612a2d94c58831 (diff)
Add Boost profile example
Diffstat (limited to 'boost/driver.cxx')
-rw-r--r--boost/driver.cxx151
1 files changed, 151 insertions, 0 deletions
diff --git a/boost/driver.cxx b/boost/driver.cxx
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+// file : boost/driver.cxx
+// author : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : not copyrighted - public domain
+
+#include <memory> // std::auto_ptr
+#include <iostream>
+
+#include <odb/database.hxx>
+#include <odb/session.hxx>
+#include <odb/transaction.hxx>
+
+#include "database.hxx" // create_database
+
+#include "employee.hxx"
+#include "employee-odb.hxx"
+
+using namespace std;
+using namespace boost::gregorian;
+using namespace odb;
+
+int
+main (int argc, char* argv[])
+{
+ try
+ {
+ auto_ptr<database> db (create_database (argc, argv));
+
+ // Create a few persistent objects.
+ //
+ {
+ // Simple Tech Ltd.
+ //
+ {
+ shared_ptr<employer> er (new employer ("Simple Tech Ltd"));
+
+ shared_ptr<employee> john (
+ new employee ("John", "Doe", date (1975, Jan, 1), er));
+
+ shared_ptr<employee> jane (
+ new employee ("Jane", "Doe", date (1976, Feb, 2), er));
+
+ john->emails ().insert ("john_d@example.com");
+ john->emails ().insert ("john.doe@example.com");
+ jane->emails ().insert ("jane_s@example.com");
+ jane->emails ().insert ("jane.smith@example.com");
+
+ // Set the inverse side of the employee-employer relationship.
+ //
+ er->employees ().push_back (john);
+ er->employees ().push_back (jane);
+
+ transaction t (db->begin ());
+
+ db->persist (er);
+
+ db->persist (john);
+ db->persist (jane);
+
+ t.commit ();
+ }
+
+ // Complex Systems Inc.
+ //
+ {
+ shared_ptr<employer> er (new employer ("Complex Systems Inc"));
+
+ shared_ptr<employee> john (
+ new employee ("John", "Smith", date (1977, Mar, 3), er));
+
+ shared_ptr<employee> jane (
+ new employee ("Jane", "Smith", date (1978, Apr, 4), er));
+
+ john->emails ().insert ("john_s@example.com");
+ john->emails ().insert ("john.smith@example.com");
+ jane->emails ().insert ("jane_s@example.com");
+ jane->emails ().insert ("jane.smith@example.com");
+
+ // Set the inverse side of the employee-employer relationship.
+ //
+ er->employees ().push_back (john);
+ er->employees ().push_back (jane);
+
+ transaction t (db->begin ());
+
+ db->persist (er);
+
+ db->persist (john);
+ db->persist (jane);
+
+ t.commit ();
+ }
+ }
+
+
+ // Load Simple Tech Ltd and print its employees.
+ //
+ {
+ session s;
+ transaction t (db->begin ());
+
+ shared_ptr<employer> stl (db->load<employer> ("Simple Tech Ltd"));
+
+ employees& es (stl->employees ());
+
+ for (employees::iterator i (es.begin ()); i != es.end (); ++i)
+ {
+ lazy_weak_ptr<employee>& lwp (*i);
+ shared_ptr<employee> p (lwp.load ()); // Load and lock.
+
+ cout << p->first () << " " << p->last () << endl
+ << " born: " << p->born () << endl
+ << " employer: " << p->employer ()->name () << endl;
+
+ for (emails::const_iterator j (p->emails ().begin ());
+ j != p->emails ().end (); ++j)
+ {
+ cout << " email: " << *j << endl;
+ }
+
+ cout << endl;
+ }
+
+ t.commit ();
+ }
+
+ // Search for Complex Systems Inc employees that were born before
+ // April 1978.
+ //
+ {
+ typedef odb::query<employee> query;
+ typedef odb::result<employee> result;
+
+ session s;
+ transaction t (db->begin ());
+
+ result r (db->query<employee> (
+ query::employer::name == "Complex Systems Inc" &&
+ query::born < date (1978, Apr, 1)));
+
+ for (result::iterator i (r.begin ()); i != r.end (); ++i)
+ cout << i->first () << " " << i->last () << " " << i->born () << endl;
+
+ t.commit ();
+ }
+ }
+ catch (const odb::exception& e)
+ {
+ cerr << e.what () << endl;
+ return 1;
+ }
+}