testCfgTable.cc

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// $Id: testCfgTable.cc,v 1.1 2007/02/09 05:38:28 fmwk Exp $
//
//
// messier@indiana.edu
#include "Config/Table.h"
#include "Config/Config.h"
#include "Config/Observer.h"

class TestObs : public cfg::Observer 
{
public:
  TestObs(const char* name, const char* config, const char* version) 
  {
    fName = name;
    this->SetWatch(config,version);
  }
  //....................................................................
  void Update(const cfg::Config& c) 
  {
    std::cout << 
      "TestObs: " << fName <<
      " received update from " << c.GetName() << 
      "." << c.GetVersion() << std::endl;
  }
  std::string fName;
};

int main(void) 
{
  cfg::Table& cfgTable = cfg::Table::Instance();

  cfg::Config* c1 = new cfg::Config("ConfigA","default", __FILE__);
  cfg::Config* c2 = new cfg::Config("ConfigA","test",    __FILE__);
  cfg::Config* c3 = new cfg::Config("ConfigB","default", __FILE__);
  cfg::Config* c4 = new cfg::Config("ConfigB","test",    __FILE__);
  
  cfgTable.AdoptConfig(c1);
  cfgTable.AdoptConfig(c2);
  cfgTable.AdoptConfig(c3);
  cfgTable.AdoptConfig(c4);
  cfgTable.Print();

  // Two clients watching the same configuration
  TestObs o1("o1","ConfigA","default");
  TestObs o2("o2","ConfigA","default");

  // One client watching two configurations
  TestObs o3 ("o3","ConfigA","test");
  o3.SetWatch("ConfigB","test");
  
  // Client changes version of configuration
  TestObs o4("o4","ConfigB","default");
  o4.SetWatch("ConfigB","test");

  std::cout << "Table w/ observers added\n";
  cfgTable.Print();

  std::cout << "Table w/ observers removed\n";
  cfgTable.RemoveWatch("ConfigA",&o1);
  cfgTable.RemoveAllWatches(&o2);
  cfgTable.Print();
}

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