From 031a5b46f3333f2b0aa0bb92acd2c92f99e6359b Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 14 Aug 2015 11:27:36 +0200
Subject: Reimplement lazy_weak_ptr lock() to preserve database type

Now we initialize the returned lazy_shared_ptr with the same loader
function as the one set for weak_ptr.
---
 odb/boost/smart-ptr/lazy-ptr.hxx |  7 +++++++
 odb/boost/smart-ptr/lazy-ptr.ixx |  7 +++++++
 odb/boost/smart-ptr/lazy-ptr.txx | 27 ---------------------------
 3 files changed, 14 insertions(+), 27 deletions(-)

(limited to 'odb')

diff --git a/odb/boost/smart-ptr/lazy-ptr.hxx b/odb/boost/smart-ptr/lazy-ptr.hxx
index 5050e16..ded4c74 100644
--- a/odb/boost/smart-ptr/lazy-ptr.hxx
+++ b/odb/boost/smart-ptr/lazy-ptr.hxx
@@ -136,6 +136,13 @@ namespace odb
       template <class Y> friend class lazy_shared_ptr;
       template <class Y> friend class lazy_weak_ptr;
 
+      // For lazy_weak_ptr::lock().
+      //
+      lazy_shared_ptr (const ::boost::shared_ptr<T>& p,
+                       const lazy_ptr_impl<T>& i)
+          : p_ (p), i_ (i) {}
+
+    private:
       mutable ::boost::shared_ptr<T> p_;
       mutable lazy_ptr_impl<T> i_;
     };
diff --git a/odb/boost/smart-ptr/lazy-ptr.ixx b/odb/boost/smart-ptr/lazy-ptr.ixx
index 3a6eae4..e3c423f 100644
--- a/odb/boost/smart-ptr/lazy-ptr.ixx
+++ b/odb/boost/smart-ptr/lazy-ptr.ixx
@@ -538,6 +538,13 @@ namespace odb
     }
 
     template <class T>
+    inline lazy_shared_ptr<T> lazy_weak_ptr<T>::
+    lock () const
+    {
+      return lazy_shared_ptr<T> (p_.lock (), i_);
+    }
+
+    template <class T>
     inline ::boost::shared_ptr<T> lazy_weak_ptr<T>::
     load () const
     {
diff --git a/odb/boost/smart-ptr/lazy-ptr.txx b/odb/boost/smart-ptr/lazy-ptr.txx
index 9087bbb..8481bb5 100644
--- a/odb/boost/smart-ptr/lazy-ptr.txx
+++ b/odb/boost/smart-ptr/lazy-ptr.txx
@@ -40,32 +40,5 @@ namespace odb
       return i_.database () == r.i_.database () &&
         object_id<object_type1> () == r.template object_id<object_type2> ();
     }
-
-    //
-    // lazy_weak_ptr
-    //
-
-    template <class T>
-    lazy_shared_ptr<T> lazy_weak_ptr<T>::
-    lock () const
-    {
-      ::boost::shared_ptr<T> sp (p_.lock ());
-
-      if (sp)
-      {
-        if (database_type* db = i_.database ())
-          return lazy_shared_ptr<T> (*db, sp);
-        else
-          return lazy_shared_ptr<T> (sp);
-      }
-      else
-      {
-        if (i_)
-          return lazy_shared_ptr<T> (
-            *i_.database (), i_.template object_id<T> ());
-        else
-          return lazy_shared_ptr<T> ();
-      }
-    }
   }
 }
-- 
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