Add Boost profile example

1 files changed, 151 insertions, 0 deletions

diff --git a/boost/driver.cxx b/boost/driver.cxx
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+++ 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;
+  }
+}