From 91753e0f4b2e512259c52e6258d250ef3332c053 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <matthias@gamezock.de>
Date: Wed, 24 Sep 2008 16:08:08 +0200
Subject: Ordne SystemBackends nach Priorit?ten

---
 src/Common/SystemBackend.cpp |  3 ++-
 src/Common/SystemBackend.h   | 15 ++++++++++++++-
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/Common/SystemBackend.cpp b/src/Common/SystemBackend.cpp
index 4bbc68a..0d4b2b7 100644
--- a/src/Common/SystemBackend.cpp
+++ b/src/Common/SystemBackend.cpp
@@ -22,7 +22,8 @@
 namespace Mad {
 namespace Common {
 
-std::set<SystemBackend*> SystemBackend::backends;
+std::set<SystemBackend*, SystemBackend::Compare> SystemBackend::backends;
+
 
 SystemBackend::UptimeInfo SystemBackend::getUptimeInfo() {
   UptimeInfo ret = {0, 0};
diff --git a/src/Common/SystemBackend.h b/src/Common/SystemBackend.h
index 960082e..c531224 100644
--- a/src/Common/SystemBackend.h
+++ b/src/Common/SystemBackend.h
@@ -48,7 +48,16 @@ class SystemBackend {
     };
 
   private:
-    static std::set<SystemBackend*> backends;
+    struct Compare {
+      bool operator() (const SystemBackend *b1, const SystemBackend *b2) {
+        if(b1->getPriority() == b2->getPriority())
+          return (b1 > b2);
+        else
+          return (b1->getPriority() > b2->getPriority());
+      }
+    };
+
+    static std::set<SystemBackend*, Compare> backends;
 
   protected:
     SystemBackend() {}
@@ -76,6 +85,10 @@ class SystemBackend {
       return ret;
     }
 
+    virtual int getPriority() const {
+      return 0;
+    }
+
   public:
     virtual ~SystemBackend() {}
 
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