From 5da0df2986a62e1254d27c8cfbc383ba580555e1 Mon Sep 17 00:00:00 2001
From: Constantin Michael <constantin@codesynthesis.com>
Date: Thu, 7 Apr 2011 12:47:27 +0200
Subject: Update examples to include qt/basic and qt/date-time usage

---
 qt/driver.cxx | 131 ++++++++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 123 insertions(+), 8 deletions(-)

(limited to 'qt/driver.cxx')

diff --git a/qt/driver.cxx b/qt/driver.cxx
index 1d4e2b3..5dfe13f 100644
--- a/qt/driver.cxx
+++ b/qt/driver.cxx
@@ -2,7 +2,6 @@
 // author    : Constantin Michael <constantin@codesynthesis.com>
 // copyright : not copyrighted - public domain
 
-#include <memory>   // std::auto_ptr
 #include <iostream>
 
 #include <odb/database.hxx>
@@ -11,12 +10,18 @@
 
 #include "database.hxx" // create_database
 
-#include "person.hxx"
-#include "person-odb.hxx"
+#include "employee.hxx"
+#include "employee-odb.hxx"
 
 using namespace std;
 using namespace odb::core;
 
+ostream& operator << (ostream& os, const QString& s)
+{
+  os << s.toStdString ();
+  return os;
+}
+
 int
 main (int argc, char* argv[])
 {
@@ -24,15 +29,125 @@ main (int argc, char* argv[])
   {
     auto_ptr<database> db (create_database (argc, argv));
 
-    person p1;
-    p1.name = "Constantin Michael";
-    p1.date_of_birth.setDate (1979, 03, 07);
+    // 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",
+                        QDate (1974, 5, 23),
+                        QByteArray ("\0xF1\0x00\0x34\0x45\0x00\0xDE", 6),
+                        er));
+
+        shared_ptr<employee> jane (
+          new employee ("Jane",
+                        "Doe",
+                        QDate (1983, 1, 18),
+                        QByteArray ("\0xD7\0x00\0x14", 3),
+                        er));
+
+        // 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);
 
-    // Persist.
+        db->persist (john);
+        db->persist (jane);
+
+        t.commit ();
+      }
+
+      // Complex Systems Inc.dob
+      //
+      {
+        shared_ptr<employer> er (new employer ("Complex Systems Inc"));
+
+        shared_ptr<employee> john (
+          new employee ("John",
+                        "Smith",
+                        QDate (1954, 8, 1),
+                        QByteArray ("\0x23\0xFD\0x8F\0x00", 4),
+                        er));
+
+        shared_ptr<employee> jane (
+          new employee ("Jane",
+                        "Smith",
+                        QDate (1976, 12, 31),
+                        QByteArray ("0x00\0x32\0x00\0x01\0x00", 5),
+                        er));
+
+        // 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 ());
-      db->persist (p1);
+
+      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);
+
+        // Load and lock the employee and his employer.
+        //
+        shared_ptr<employee> p (lwp.load ());
+        shared_ptr<employer> pe (p->employer ().load ());
+
+        cout << p->first () << " " << p->last ()  << endl
+             << "  born: " << p->born ().toString () << endl
+             << "  public key length: " << p->public_key ().size () << endl
+             << "  employer: "
+             << pe->name ().toAscii ().data () << endl;
+
+        cout << endl;
+      }
+
+      t.commit ();
+    }
+
+    // Search for Complex Systems Inc employees.
+    //
+    {
+      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"));
+
+      for (result::iterator i (r.begin ()); i != r.end (); ++i)
+        cout << i->first () << " " << i->last () << endl;
+
       t.commit ();
     }
   }
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