removed parentProcesses from Process

src/process.cc

@@ -148,18 +148,12 @@ Process::add_pipe_in_stream()
 void
 Process::add_parent(const std::shared_ptr<Process> &parentProcess)
 {
-  parentProcesses.push_back(parentProcess);
   m_posInParent = parentProcess->inputStreams.size() - 1;
-  add_pipe_out_stream();
-}
-
-void
-Process::add_pipe_out_stream()
-{
-  outputStreams.push_back(parentProcesses[0]->inputStreams[m_posInParent]);
+  outputStreams.push_back(parentProcess->inputStreams[m_posInParent]);
   m_streamCnt++;
 }
 
+
 void *
 execute(void *process)
 {

src/process.h

@@ -42,7 +42,6 @@ public:
   const CdoModule &m_module;
   int m_posInParent;
   std::vector<std::shared_ptr<Process>> childProcesses;
-  std::vector<std::shared_ptr<Process>> parentProcesses;
   std::vector<CdoStreamID> inputStreams;
   std::vector<CdoStreamID> outputStreams;
 
@@ -63,7 +62,7 @@ public:
 
   /* Member Functions  */
   Process(int p_ID, const std::string &p_operatorName, const std::vector<std::string> &p_arguments, const CdoModule &p_module);
-  virtual ~Process() {}
+  virtual ~Process() {Debug(PROCESS,"destruction of %s",operatorName);}
 
   pthread_t start_thread();
   virtual void init() = 0;