From d5d6ed86a3307879e4923b9250f25515e2e81cfc Mon Sep 17 00:00:00 2001
From: Michael Andres <ma@suse.de>
Date: Wed, 2 Dec 2009 13:14:10 +0100
Subject: [PATCH] Add Selectable::highestAvailableVersionObj. (bnc #557557)

---
 zypp/ui/Selectable.cc    |  3 +++
 zypp/ui/Selectable.h     |  7 +++++++
 zypp/ui/SelectableImpl.h | 12 ++++++++++++
 3 files changed, 22 insertions(+)

diff --git a/zypp/ui/Selectable.cc b/zypp/ui/Selectable.cc
index 04d0534..6283a17 100644
--- a/zypp/ui/Selectable.cc
+++ b/zypp/ui/Selectable.cc
@@ -79,6 +79,9 @@ namespace zypp
     PoolItem Selectable::updateCandidateObj() const
     { return _pimpl->updateCandidateObj(); }
 
+    PoolItem Selectable::highestAvailableVersionObj() const
+    { return _pimpl->highestAvailableVersionObj(); }
+
     bool Selectable::identicalInstalled( const PoolItem & rhs ) const
     { return _pimpl->identicalInstalled( rhs ); }
 
diff --git a/zypp/ui/Selectable.h b/zypp/ui/Selectable.h
index 82f97dd..875e086 100644
--- a/zypp/ui/Selectable.h
+++ b/zypp/ui/Selectable.h
@@ -140,6 +140,13 @@ namespace zypp
        */
       PoolItem updateCandidateObj() const;
 
+      /** Simply the highest available version, ignoring priorities and policies.
+       * It's doubtful whether solely looking at the version makes a good
+       * candidate, but apps ask for it. Beware that different vendors may
+       * use different (uncomparable) version schemata.
+       */
+      PoolItem highestAvailableVersionObj() const;
+
       /** \c True if \a rhs has the same content as an installed one.
        *  Basically the same name, edition, arch, vendor and buildtime.
        * \see \ref sat::Solvable::identical
diff --git a/zypp/ui/SelectableImpl.h b/zypp/ui/SelectableImpl.h
index e5167a2..ef71ef7 100644
--- a/zypp/ui/SelectableImpl.h
+++ b/zypp/ui/SelectableImpl.h
@@ -168,6 +168,18 @@ namespace zypp
         return _defaultCandidate;
       }
 
+      /** \copydoc Selectable::highestAvailableVersionObj() */
+      PoolItem highestAvailableVersionObj() const
+      {
+        PoolItem ret;
+        for_( it, availableBegin(), availableEnd() )
+        {
+          if ( !ret || (*it).satSolvable().edition() > ret.satSolvable().edition() )
+            ret = *it;
+        }
+        return ret;
+      }
+
       /** \c True if \a rhs has the same content as an installed one.
        * \see \ref sat::Solvable::identical
        */
-- 
2.7.4