Zero MQ implimentation and example (Tutorial3)

git-svn-id: https://subversion.gsi.de/fairroot/fairbase/trunk@20162 0381ead4-6506-0410-b988-94b70fbc4730

fairmq/FairMQSamplerTask.cxx

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+/*
+ * FairMQSamplerTask.cxx
+ *
+ *  Created on: Nov 22, 2012
+ *      Author: dklein
+ */
+
+#include "FairMQSamplerTask.h"
+
+
+FairMQSamplerTask::FairMQSamplerTask(const Text_t* name, Int_t iVerbose) :
+  FairTask(name, iVerbose),
+  fInput(NULL),
+  fBranch(""),
+  fMessageSize(32768),
+  fOutput(new std::vector<FairMQMessage*>)
+{
+}
+
+FairMQSamplerTask::FairMQSamplerTask() :
+  FairTask( "Abstract base task used for loading a branch from a root file into memory"),
+  fInput(NULL),
+  fBranch(""),
+  fMessageSize(32768),
+  fOutput(new std::vector<FairMQMessage*>)
+{
+}
+
+FairMQSamplerTask::~FairMQSamplerTask()
+{
+  delete fInput;
+
+  // leave fOutput in memory, because it is needed even after FairMQSamplerTask is terminated.
+}
+
+InitStatus FairMQSamplerTask::Init()
+{
+  FairRootManager* ioman = FairRootManager::Instance();
+  fInput = (TClonesArray*) ioman->GetObject(fBranch.Data());
+
+  return kSUCCESS;
+}
+
+void FairMQSamplerTask::SetBranch(TString branch)
+{
+  fBranch = branch;
+}
+
+void FairMQSamplerTask::SetMessageSize(int size)
+{
+  fMessageSize = size;
+}
+
+std::vector<FairMQMessage*> *FairMQSamplerTask::GetOutput()
+{
+  return fOutput;
+}
+