Refactor the examples after move from FairRoot

examples/multiple-channels/Sink.cxx

@@ -0,0 +1,71 @@
+/********************************************************************************
+ *    Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH    *
+ *                                                                              *
+ *              This software is distributed under the terms of the             *
+ *              GNU Lesser General Public Licence (LGPL) version 3,             *
+ *                  copied verbatim in the file "LICENSE"                       *
+ ********************************************************************************/
+/**
+ * Sink.cxx
+ *
+ * @since 2014-10-10
+ * @author A. Rybalchenko
+ */
+
+#include "Sink.h"
+
+using namespace std;
+
+namespace example_multiple_channels
+{
+
+Sink::Sink()
+    : fReceivedData(false)
+    , fReceivedBroadcast(false)
+    , fMaxIterations(0)
+    , fNumIterations(0)
+{
+    OnData("broadcast", &Sink::HandleBroadcast);
+    OnData("data", &Sink::HandleData);
+}
+
+void Sink::InitTask()
+{
+    fMaxIterations = fConfig->GetValue<uint64_t>("max-iterations");
+}
+
+bool Sink::HandleBroadcast(FairMQMessagePtr& msg, int /*index*/)
+{
+    LOG(info) << "Received broadcast: \"" << string(static_cast<char*>(msg->GetData()), msg->GetSize()) << "\"";
+    fReceivedBroadcast = true;
+
+    return CheckIterations();
+}
+
+bool Sink::HandleData(FairMQMessagePtr& msg, int /*index*/)
+{
+    LOG(info) << "Received message: \"" << string(static_cast<char*>(msg->GetData()), msg->GetSize()) << "\"";
+    fReceivedData = true;
+
+    return CheckIterations();
+}
+
+bool Sink::CheckIterations()
+{
+    if (fMaxIterations > 0)
+    {
+        if (fReceivedData && fReceivedBroadcast && ++fNumIterations >= fMaxIterations)
+        {
+            LOG(info) << "Configured maximum number of iterations reached & Received messages from both sources. Leaving RUNNING state.";
+            return false;
+        }
+    }
+
+    return true;
+}
+
+Sink::~Sink()
+{
+}
+
+}