From 0e272ec96fbcce93ec3be49eca753a7cd0079893 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 5 Sep 2012 14:58:54 +0200
Subject: Support for Qt QUuid persistence

This support was added to the basic sub-profile. New test: qt/common/basic.
Updated the qt example to use QUuid as an object id.
---
 qt/README       |  7 ++++---
 qt/driver.cxx   |  1 +
 qt/employee.hxx | 16 +++++++++++++---
 3 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/qt/README b/qt/README
index 077edba..2b30003 100644
--- a/qt/README
+++ b/qt/README
@@ -11,9 +11,10 @@ employee.hxx
   establish a bidirectional employee-employer relationship. The QList
   type is used to store the collection of employees employed by the
   employer. We also use the QDateTime type to store the employee's date
-  of birth and QString to store the employee's first and last name. A
-  QSet instance keeps track of the employee's email addresses. Finally
-  we use QByteArray to store the employee's public key.
+  of birth and QString to store the employee's first and last name. While
+  the employee's object id is QUuid and a QSet instance keeps track of
+  the employee's email addresses. Finally we use QByteArray to store the
+  employee's public key.
 
 employee-odb.hxx
 employee-odb.ixx
diff --git a/qt/driver.cxx b/qt/driver.cxx
index 3d05703..377594f 100644
--- a/qt/driver.cxx
+++ b/qt/driver.cxx
@@ -144,6 +144,7 @@ main (int argc, char* argv[])
 
         cout  << "  public key length: " << p->publicKey ().size () << endl
               << "  employer: " << pe->name () << endl
+              << "  id: " << p->id ().toString () << endl
               << endl;
       }
 
diff --git a/qt/employee.hxx b/qt/employee.hxx
index f2c34da..82bbcfb 100644
--- a/qt/employee.hxx
+++ b/qt/employee.hxx
@@ -6,6 +6,7 @@
 
 #include <QtCore/QString>
 #include <QtCore/QByteArray>
+#include <QtCore/QUuid>
 #include <QtCore/QDateTime>
 #include <QtCore/QSharedPointer>
 #include <QtCore/QList>
@@ -72,7 +73,8 @@ public:
             const QDate& born,
             const QByteArray& publicKey,
             QSharedPointer<Employer> employer)
-      : first_ (first),
+      : id_ (QUuid::createUuid ()),
+        first_ (first),
         last_ (last),
         born_ (born),
         publicKey_ (publicKey),
@@ -80,6 +82,14 @@ public:
   {
   }
 
+  // Id.
+  //
+  const QUuid&
+  id () const
+  {
+    return id_;
+  }
+
   // Name.
   //
   const QString&
@@ -141,8 +151,8 @@ private:
 
   Employee () {}
 
-  #pragma db id auto
-  unsigned long id_;
+  #pragma db id
+  QUuid id_;
 
   QString first_;
   QString last_;
-- 
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