AlignmentUpdateCall.cpp

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//==========================================================================
//  AIDA Detector description implementation for LCD
//--------------------------------------------------------------------------
// Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
// All rights reserved.
//
// For the licensing terms see $DD4hepINSTALL/LICENSE.
// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
//
// Author     : M.Frank
//
//==========================================================================

// Framework include files
#include "DDAlign/AlignmentUpdateCall.h"
#include "DDAlign/AlignmentsManager.h"
#include "DD4hep/ConditionsPrinter.h"
#include "DD4hep/InstanceCount.h"
#include "DD4hep/Printout.h"

using namespace DD4hep::Alignments;

AlignmentUpdateCall::AlignmentUpdateCall() : DD4hep::Conditions::ConditionUpdateCall()
{
  InstanceCount::increment(this);
}

AlignmentUpdateCall::~AlignmentUpdateCall() {
  InstanceCount::decrement(this);
}

AlignmentUpdateCall::Condition
AlignmentUpdateCall::handle(const ConditionKey& key, const UpdateContext& ctxt, const Delta& delta)
{
  AlignmentCondition target(key.name);
  AlignmentData&     data = target.data();
  data.delta    = delta;
  data.flag     = AlignmentData::HAVE_NONE;
  data.detector = ctxt.dependency.detector;
  // We MUST register the undigested condition to the alignment manager in order to
  // later be able to compute the derived transformations.
  // The derived transfomrations can only be computed 'later' once all delta stubs
  // are present in a second pass. This is necessary, because the parent information
  // may actually be supplied also 'later'.
  AlignmentsManager::newEntry(ctxt, data.detector, &ctxt.dependency, target);
  return target;
}

AlignmentUpdateCall::Condition
AlignmentUpdateCall::invalidDataType(const ConditionKey& key, const UpdateContext& context)  {
  // Here only print and return an empty alignment condition.
  // Otherwise the return is not accepted!
  // TODO: To be decided how to handle this error
  Condition  cond = context.condition(0);
  DetElement det  = context.dependency.detector;
  Alignments::AlignmentCondition target(key.name);
  Data& data = target.data();
  data.detector = det;
  printout(ERROR,"AlignmentUpdate","++ Failed to access alignment-Delta for %s from %s",
           det.path().c_str(), cond->value.c_str());
  printout(ERROR,"AlignmentUpdate","++ The true data type is: %s",typeName(cond.typeInfo()).c_str());
  Conditions::ConditionsPrinter()(cond);
  return target;
}