include <ErrorCorrelator.h>
  using namespace std;
  
  bool operator<(const Error& lhs, const Error& rhs)
  {
    return (lhs.mPriority < rhs.mPriority);
  }
  
  ostream& operator<<(ostream& str, const Error& err)
  {
    str << err.mError << " (priority " << err.mPriority << ")";
    return (str);
  }
  
  void ErrorCorrelator::addError(const Error& error)
  {
    mErrors.push(error);
  }
  
  Error ErrorCorrelator::getError() throw (out_of_range)
  {
    //
    // If there are no more errors, throw an exception.
    //
    if (mErrors.empty()) {
      throw (out_of_range("No elements!"));
    }
    
    // Save the top element
    Error top = mErrors.top();
    // Remove the top element.
    mErrors.pop();
    // Return the saved element.
    return (top);
  }