/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkInformation.cxx

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#include "vtkInformation.h"

#include "vtkCommand.h"
#include "vtkGarbageCollector.h"
#include "vtkInformationDataObjectKey.h"
#include "vtkInformationDoubleKey.h"
#include "vtkInformationDoubleVectorKey.h"
#include "vtkInformationIdTypeKey.h"
#include "vtkInformationInformationKey.h"
#include "vtkInformationInformationVectorKey.h"
#include "vtkInformationIntegerKey.h"
#include "vtkInformationIntegerPointerKey.h"
#include "vtkInformationIntegerVectorKey.h"
#include "vtkInformationIterator.h"
#include "vtkInformationKeyVectorKey.h"
#include "vtkInformationObjectBaseKey.h"
#include "vtkInformationObjectBaseVectorKey.h"
#include "vtkInformationRequestKey.h"
#include "vtkInformationStringKey.h"
#include "vtkInformationStringVectorKey.h"
#include "vtkInformationUnsignedLongKey.h"
#include "vtkInformationVariantKey.h"
#include "vtkInformationVariantVectorKey.h"
#include "vtkObjectFactory.h"
#include "vtkSmartPointer.h"
#include "vtkVariant.h"

#include <algorithm>
#include <utility>
#include <vector>

#include "vtkInformationInternals.h"

vtkStandardNewMacro(vtkInformation);

//------------------------------------------------------------------------------
vtkInformation::vtkInformation()
{
  // Allocate the internal representation.
  this->Internal = new vtkInformationInternals;

  // There is no request key stored initially.
  this->Request = nullptr;
}

//------------------------------------------------------------------------------
vtkInformation::~vtkInformation()
{
  // Delete the internal representation.
  delete this->Internal;
}

//------------------------------------------------------------------------------
void vtkInformation::PrintSelf(ostream& os, vtkIndent indent)
{
  this->Superclass::PrintSelf(os, indent);

  // Print the request if one is set.
  if (this->Request)
  {
    os << indent << "Request: " << this->Request->GetName() << "\n";
  }
  this->PrintKeys(os, indent);
}

//------------------------------------------------------------------------------
void vtkInformation::PrintKeys(ostream& os, vtkIndent indent)
{
  typedef vtkInformationInternals::MapType MapType;
  for (MapType::const_iterator i = this->Internal->Map.begin(); i != this->Internal->Map.end(); ++i)
  {
    // Print the key name first.
    vtkInformationKey* key = i->first;
    os << indent << key->GetName() << ": ";

    // Ask the key to print its value.
    key->Print(os, this);
    os << "\n";
  }
}

//------------------------------------------------------------------------------
// call modified on superclass
void vtkInformation::Modified()
{
  this->Superclass::Modified();
}

//------------------------------------------------------------------------------
// Update MTime and invoke a modified event with
// the information key as call data
void vtkInformation::Modified(vtkInformationKey* key)
{
  this->MTime.Modified();
  this->InvokeEvent(vtkCommand::ModifiedEvent, key);
}

//------------------------------------------------------------------------------
// Return the number of keys as a result of iteration.
int vtkInformation::GetNumberOfKeys()
{
  vtkSmartPointer<vtkInformationIterator> infoIterator =
    vtkSmartPointer<vtkInformationIterator>::New();
  infoIterator->SetInformation(this);

  int numberOfKeys = 0;
  for (infoIterator->InitTraversal(); !infoIterator->IsDoneWithTraversal();
       infoIterator->GoToNextItem())
  {
    numberOfKeys++;
  }
  return numberOfKeys;
}

//------------------------------------------------------------------------------
void vtkInformation::SetAsObjectBase(vtkInformationKey* key, vtkObjectBase* newvalue)
{
  if (!key)
  {
    return;
  }
  typedef vtkInformationInternals::MapType MapType;
  MapType::iterator i = this->Internal->Map.find(key);
  if (i != this->Internal->Map.end())
  {
    vtkObjectBase* oldvalue = i->second;
    if (newvalue)
    {
      i->second = newvalue;
      newvalue->Register(nullptr);
    }
    else
    {
      this->Internal->Map.erase(i);
    }
    oldvalue->UnRegister(nullptr);
  }
  else if (newvalue)
  {
    MapType::value_type entry(key, newvalue);
    this->Internal->Map.insert(entry);
    newvalue->Register(nullptr);
  }
  this->Modified(key);
}

//------------------------------------------------------------------------------
const vtkObjectBase* vtkInformation::GetAsObjectBase(const vtkInformationKey* key) const
{
  if (key)
  {
    typedef vtkInformationInternals::MapType MapType;
    MapType::const_iterator i = this->Internal->Map.find(const_cast<vtkInformationKey*>(key));
    if (i != this->Internal->Map.end())
    {
      return i->second;
    }
  }
  return nullptr;
}

//------------------------------------------------------------------------------
vtkObjectBase* vtkInformation::GetAsObjectBase(vtkInformationKey* key)
{
  if (key)
  {
    typedef vtkInformationInternals::MapType MapType;
    MapType::const_iterator i = this->Internal->Map.find(key);
    if (i != this->Internal->Map.end())
    {
      return i->second;
    }
  }
  return nullptr;
}

//------------------------------------------------------------------------------
void vtkInformation::Clear()
{
  this->Copy(nullptr);
}

//------------------------------------------------------------------------------
void vtkInformation::Copy(vtkInformation* from, int deep)
{
  vtkInformationInternals* oldInternal = this->Internal;
  this->Internal = new vtkInformationInternals;
  if (from)
  {
    typedef vtkInformationInternals::MapType MapType;
    for (MapType::const_iterator i = from->Internal->Map.begin(); i != from->Internal->Map.end();
         ++i)
    {
      this->CopyEntry(from, i->first, deep);
    }
  }
  delete oldInternal;
}

//------------------------------------------------------------------------------
void vtkInformation::Append(vtkInformation* from, int deep)
{
  if (from)
  {
    typedef vtkInformationInternals::MapType MapType;
    for (MapType::const_iterator i = from->Internal->Map.begin(); i != from->Internal->Map.end();
         ++i)
    {
      this->CopyEntry(from, i->first, deep);
    }
  }
}

//------------------------------------------------------------------------------
void vtkInformation::CopyEntry(vtkInformation* from, vtkInformationKey* key, int deep)
{
  if (!deep)
  {
    key->ShallowCopy(from, this);
  }
  else
  {
    key->DeepCopy(from, this);
  }
}

//------------------------------------------------------------------------------
void vtkInformation::CopyEntry(vtkInformation* from, vtkInformationDataObjectKey* key, int deep)
{
  if (!deep)
  {
    key->ShallowCopy(from, this);
  }
  else
  {
    key->DeepCopy(from, this);
  }
}

//------------------------------------------------------------------------------
void vtkInformation::CopyEntry(vtkInformation* from, vtkInformationInformationKey* key, int deep)
{
  if (!deep)
  {
    key->ShallowCopy(from, this);
  }
  else
  {
    key->DeepCopy(from, this);
  }
}

//------------------------------------------------------------------------------
void vtkInformation::CopyEntry(
  vtkInformation* from, vtkInformationInformationVectorKey* key, int deep)
{
  if (!deep)
  {
    key->ShallowCopy(from, this);
  }
  else
  {
    key->DeepCopy(from, this);
  }
}

//------------------------------------------------------------------------------
void vtkInformation::CopyEntry(vtkInformation* from, vtkInformationIntegerKey* key, int deep)
{
  if (!deep)
  {
    key->ShallowCopy(from, this);
  }
  else
  {
    key->DeepCopy(from, this);
  }
}

//------------------------------------------------------------------------------
void vtkInformation::CopyEntry(vtkInformation* from, vtkInformationRequestKey* key, int deep)
{
  if (!deep)
  {
    key->ShallowCopy(from, this);
  }
  else
  {
    key->DeepCopy(from, this);
  }
}

//------------------------------------------------------------------------------
void vtkInformation::CopyEntry(vtkInformation* from, vtkInformationIntegerVectorKey* key, int deep)
{
  if (!deep)
  {
    key->ShallowCopy(from, this);
  }
  else
  {
    key->DeepCopy(from, this);
  }
}

//------------------------------------------------------------------------------
void vtkInformation::CopyEntry(
  vtkInformation* from, vtkInformationObjectBaseVectorKey* key, int deep)
{
  if (!deep)
  {
    key->ShallowCopy(from, this);
  }
  else
  {
    key->DeepCopy(from, this);
  }
}

//------------------------------------------------------------------------------
void vtkInformation::CopyEntry(vtkInformation* from, vtkInformationDoubleVectorKey* key, int deep)
{
  if (!deep)
  {
    key->ShallowCopy(from, this);
  }
  else
  {
    key->DeepCopy(from, this);
  }
}

//------------------------------------------------------------------------------
void vtkInformation::CopyEntry(vtkInformation* from, vtkInformationVariantKey* key, int deep)
{
  if (!deep)
  {
    key->ShallowCopy(from, this);
  }
  else
  {
    key->DeepCopy(from, this);
  }
}

//------------------------------------------------------------------------------
void vtkInformation::CopyEntry(vtkInformation* from, vtkInformationVariantVectorKey* key, int deep)
{
  if (!deep)
  {
    key->ShallowCopy(from, this);
  }
  else
  {
    key->DeepCopy(from, this);
  }
}

//------------------------------------------------------------------------------
void vtkInformation::CopyEntry(vtkInformation* from, vtkInformationStringKey* key, int deep)
{
  if (!deep)
  {
    key->ShallowCopy(from, this);
  }
  else
  {
    key->DeepCopy(from, this);
  }
}

//------------------------------------------------------------------------------
void vtkInformation::CopyEntry(vtkInformation* from, vtkInformationUnsignedLongKey* key, int deep)
{
  if (!deep)
  {
    key->ShallowCopy(from, this);
  }
  else
  {
    key->DeepCopy(from, this);
  }
}

//------------------------------------------------------------------------------
void vtkInformation::CopyEntry(vtkInformation* from, vtkInformationStringVectorKey* key, int deep)
{
  if (!deep)
  {
    key->ShallowCopy(from, this);
  }
  else
  {
    key->DeepCopy(from, this);
  }
}

//------------------------------------------------------------------------------
void vtkInformation::CopyEntries(vtkInformation* from, vtkInformationKeyVectorKey* key, int deep)
{
  int numberOfKeys = from->Length(key);
  vtkInformationKey** keys = from->Get(key);
  for (int i = 0; i < numberOfKeys; ++i)
  {
    this->CopyEntry(from, keys[i], deep);
  }
}

//------------------------------------------------------------------------------
int vtkInformation::Has(vtkInformationKey* key)
{
  // Use the virtual interface in case this is a special-cased key.
  return key->Has(this) ? 1 : 0;
}

//------------------------------------------------------------------------------
void vtkInformation::Remove(vtkInformationKey* key)
{
  // Use the virtual interface in case this is a special-cased key.
  key->Remove(this);
}

void vtkInformation::Set(vtkInformationRequestKey* key)
{
  key->Set(this);
}
void vtkInformation::Remove(vtkInformationRequestKey* key)
{
  key->vtkInformationRequestKey::Remove(this);
}
int vtkInformation::Has(vtkInformationRequestKey* key)
{
  return key->vtkInformationRequestKey::Has(this);
}

//------------------------------------------------------------------------------
#define VTK_INFORMATION_DEFINE_SCALAR_PROPERTY(name, type)                                         \
  void vtkInformation::Set(vtkInformation##name##Key* key, type value) { key->Set(this, value); }  \
  void vtkInformation::Remove(vtkInformation##name##Key* key)                                      \
  {                                                                                                \
    key->vtkInformation##name##Key::Remove(this);                                                  \
  }                                                                                                \
  type vtkInformation::Get(vtkInformation##name##Key* key) { return key->Get(this); }              \
  int vtkInformation::Has(vtkInformation##name##Key* key)                                          \
  {                                                                                                \
    return key->vtkInformation##name##Key::Has(this);                                              \
  }
VTK_INFORMATION_DEFINE_SCALAR_PROPERTY(IdType, vtkIdType);
VTK_INFORMATION_DEFINE_SCALAR_PROPERTY(Integer, int);
VTK_INFORMATION_DEFINE_SCALAR_PROPERTY(Double, double);
VTK_INFORMATION_DEFINE_SCALAR_PROPERTY(UnsignedLong, unsigned long);
VTK_INFORMATION_DEFINE_SCALAR_PROPERTY(String, const char*);
VTK_INFORMATION_DEFINE_SCALAR_PROPERTY(DataObject, vtkDataObject*);
VTK_INFORMATION_DEFINE_SCALAR_PROPERTY(Information, vtkInformation*);
VTK_INFORMATION_DEFINE_SCALAR_PROPERTY(InformationVector, vtkInformationVector*);
VTK_INFORMATION_DEFINE_SCALAR_PROPERTY(ObjectBase, vtkObjectBase*);
VTK_INFORMATION_DEFINE_SCALAR_PROPERTY(Variant, const vtkVariant&);
#undef VTK_INFORMATION_DEFINE_SCALAR_PROPERTY

//------------------------------------------------------------------------------
#define VTK_INFORMATION_DEFINE_VECTOR_PROPERTY(name, type)                                         \
  void vtkInformation::Append(vtkInformation##name##VectorKey* key, type value)                    \
  {                                                                                                \
    key->Append(this, value);                                                                      \
  }                                                                                                \
  void vtkInformation::Set(vtkInformation##name##VectorKey* key, type const* value, int length)    \
  {                                                                                                \
    key->Set(this, value, length);                                                                 \
  }                                                                                                \
  type* vtkInformation::Get(vtkInformation##name##VectorKey* key) { return key->Get(this); }       \
  type vtkInformation::Get(vtkInformation##name##VectorKey* key, int idx)                          \
  {                                                                                                \
    return key->Get(this, idx);                                                                    \
  }                                                                                                \
  void vtkInformation::Get(vtkInformation##name##VectorKey* key, type* value)                      \
  {                                                                                                \
    key->Get(this, value);                                                                         \
  }                                                                                                \
  int vtkInformation::Length(vtkInformation##name##VectorKey* key) { return key->Length(this); }   \
  void vtkInformation::Remove(vtkInformation##name##VectorKey* key)                                \
  {                                                                                                \
    key->vtkInformation##name##VectorKey::Remove(this);                                            \
  }                                                                                                \
  int vtkInformation::Has(vtkInformation##name##VectorKey* key)                                    \
  {                                                                                                \
    return key->vtkInformation##name##VectorKey::Has(this);                                        \
  }
VTK_INFORMATION_DEFINE_VECTOR_PROPERTY(Integer, int);
VTK_INFORMATION_DEFINE_VECTOR_PROPERTY(Double, double);

// String keys can accept std::string.
void vtkInformation::Append(vtkInformationStringVectorKey* key, const std::string& value)
{
  this->Append(key, value.c_str());
}
void vtkInformation::Set(vtkInformationStringVectorKey* key, const std::string& value, int idx)
{
  this->Set(key, value.c_str(), idx);
}
void vtkInformation::Set(vtkInformationStringKey* key, const std::string& value)
{
  this->Set(key, value.c_str());
}

// Variant vector key is slightly different to accommodate efficient
// pass-by-reference instead of pass-by-value calls.
void vtkInformation::Append(vtkInformationVariantVectorKey* key, const vtkVariant& value)
{
  key->Append(this, value);
}
void vtkInformation::Set(vtkInformationVariantVectorKey* key, const vtkVariant* value, int length)
{
  key->Set(this, value, length);
}
const vtkVariant* vtkInformation::Get(vtkInformationVariantVectorKey* key)
{
  return key->Get(this);
}
const vtkVariant& vtkInformation::Get(vtkInformationVariantVectorKey* key, int idx)
{
  return key->Get(this, idx);
}
void vtkInformation::Get(vtkInformationVariantVectorKey* key, vtkVariant* value)
{
  key->Get(this, value);
}
int vtkInformation::Length(vtkInformationVariantVectorKey* key)
{
  return key->Length(this);
}
void vtkInformation::Remove(vtkInformationVariantVectorKey* key)
{
  key->vtkInformationVariantVectorKey::Remove(this);
}
int vtkInformation::Has(vtkInformationVariantVectorKey* key)
{
  return key->vtkInformationVariantVectorKey::Has(this);
}

// String vector key is slightly different to make it backwards compatible with
// the scalar string key.
void vtkInformation::Append(vtkInformationStringVectorKey* key, const char* value)
{
  key->Append(this, value);
}
void vtkInformation::Set(vtkInformationStringVectorKey* key, const char* value, int idx)
{
  key->Set(this, value, idx);
}
const char* vtkInformation::Get(vtkInformationStringVectorKey* key, int idx)
{
  return key->Get(this, idx);
}
int vtkInformation::Length(vtkInformationStringVectorKey* key)
{
  return key->Length(this);
}
void vtkInformation::Remove(vtkInformationStringVectorKey* key)
{
  key->vtkInformationStringVectorKey::Remove(this);
}
int vtkInformation::Has(vtkInformationStringVectorKey* key)
{
  return key->vtkInformationStringVectorKey::Has(this);
}

//------------------------------------------------------------------------------
void vtkInformation::Append(vtkInformationObjectBaseVectorKey* key, vtkObjectBase* data)
{
  key->Append(this, data);
}

//------------------------------------------------------------------------------
void vtkInformation::Set(vtkInformationObjectBaseVectorKey* key, vtkObjectBase* value, int idx)
{
  key->Set(this, value, idx);
}

//------------------------------------------------------------------------------
vtkObjectBase* vtkInformation::Get(vtkInformationObjectBaseVectorKey* key, int idx)
{
  return key->Get(this, idx);
}

//------------------------------------------------------------------------------
int vtkInformation::Length(vtkInformationObjectBaseVectorKey* key)
{
  return key->Length(this);
}

//------------------------------------------------------------------------------
void vtkInformation::Remove(vtkInformationObjectBaseVectorKey* key)
{
  key->Remove(this);
}

//------------------------------------------------------------------------------
void vtkInformation::Remove(vtkInformationObjectBaseVectorKey* key, vtkObjectBase* objectToRemove)
{
  key->Remove(this, objectToRemove);
}

//------------------------------------------------------------------------------
void vtkInformation::Remove(vtkInformationObjectBaseVectorKey* key, int indexToRemove)
{
  key->Remove(this, indexToRemove);
}

//------------------------------------------------------------------------------
int vtkInformation::Has(vtkInformationObjectBaseVectorKey* key)
{
  return key->Has(this);
}

VTK_INFORMATION_DEFINE_VECTOR_PROPERTY(Key, vtkInformationKey*);
#define VTK_INFORMATION_DEFINE_VECTOR_VALUE2_PROPERTY(name, type, atype)                           \
  void vtkInformation::Set(vtkInformation##name##VectorKey* key, atype value1, atype value2,       \
    atype value3, atype value4, atype value5, atype value6)                                        \
  {                                                                                                \
    type value[6];                                                                                 \
    value[0] = value1;                                                                             \
    value[1] = value2;                                                                             \
    value[2] = value3;                                                                             \
    value[3] = value4;                                                                             \
    value[4] = value5;                                                                             \
    value[5] = value6;                                                                             \
    key->Set(this, value, 6);                                                                      \
  }                                                                                                \
  void vtkInformation::Set(                                                                        \
    vtkInformation##name##VectorKey* key, atype value1, atype value2, atype value3)                \
  {                                                                                                \
    type value[3];                                                                                 \
    value[0] = value1;                                                                             \
    value[1] = value2;                                                                             \
    value[2] = value3;                                                                             \
    key->Set(this, value, 3);                                                                      \
  }
#define VTK_INFORMATION_DEFINE_VECTOR_VALUE_PROPERTY(name, type)                                   \
  VTK_INFORMATION_DEFINE_VECTOR_VALUE2_PROPERTY(name, type, type)
VTK_INFORMATION_DEFINE_VECTOR_VALUE_PROPERTY(Integer, int);
VTK_INFORMATION_DEFINE_VECTOR_VALUE_PROPERTY(Double, double);
VTK_INFORMATION_DEFINE_VECTOR_VALUE2_PROPERTY(Variant, vtkVariant, const vtkVariant&);
#undef VTK_INFORMATION_DEFINE_VECTOR_VALUE_PROPERTY

#undef VTK_INFORMATION_DEFINE_VECTOR_PROPERTY

//------------------------------------------------------------------------------
#define VTK_INFORMATION_DEFINE_POINTER_PROPERTY(name, type)                                        \
  void vtkInformation::Set(vtkInformation##name##PointerKey* key, type* value, int length)         \
  {                                                                                                \
    key->Set(this, value, length);                                                                 \
  }                                                                                                \
  type* vtkInformation::Get(vtkInformation##name##PointerKey* key) { return key->Get(this); }      \
  void vtkInformation::Get(vtkInformation##name##PointerKey* key, type* value)                     \
  {                                                                                                \
    key->Get(this, value);                                                                         \
  }                                                                                                \
  int vtkInformation::Length(vtkInformation##name##PointerKey* key) { return key->Length(this); }  \
  void vtkInformation::Remove(vtkInformation##name##PointerKey* key)                               \
  {                                                                                                \
    key->vtkInformation##name##PointerKey::Remove(this);                                           \
  }                                                                                                \
  int vtkInformation::Has(vtkInformation##name##PointerKey* key)                                   \
  {                                                                                                \
    return key->vtkInformation##name##PointerKey::Has(this);                                       \
  }
VTK_INFORMATION_DEFINE_POINTER_PROPERTY(Integer, int);
#undef VTK_INFORMATION_DEFINE_POINTER_PROPERTY

//------------------------------------------------------------------------------
void vtkInformation::Append(vtkInformationKeyVectorKey* key, vtkInformationDataObjectKey* value)
{
  key->Append(this, value);
}

//------------------------------------------------------------------------------
void vtkInformation::Append(vtkInformationKeyVectorKey* key, vtkInformationDoubleKey* value)
{
  key->Append(this, value);
}

//------------------------------------------------------------------------------
void vtkInformation::Append(vtkInformationKeyVectorKey* key, vtkInformationDoubleVectorKey* value)
{
  key->Append(this, value);
}

//------------------------------------------------------------------------------
void vtkInformation::Append(vtkInformationKeyVectorKey* key, vtkInformationInformationKey* value)
{
  key->Append(this, value);
}

//------------------------------------------------------------------------------
void vtkInformation::Remove(vtkInformationKeyVectorKey* key, vtkInformationKey* value)
{
  key->RemoveItem(this, value);
}

//------------------------------------------------------------------------------
void vtkInformation::Append(
  vtkInformationKeyVectorKey* key, vtkInformationInformationVectorKey* value)
{
  key->Append(this, value);
}

//------------------------------------------------------------------------------
void vtkInformation::Append(vtkInformationKeyVectorKey* key, vtkInformationIntegerKey* value)
{
  key->Append(this, value);
}

//------------------------------------------------------------------------------
void vtkInformation::Append(vtkInformationKeyVectorKey* key, vtkInformationIntegerVectorKey* value)
{
  key->Append(this, value);
}

//------------------------------------------------------------------------------
void vtkInformation::Append(vtkInformationKeyVectorKey* key, vtkInformationStringKey* value)
{
  key->Append(this, value);
}

//------------------------------------------------------------------------------
void vtkInformation::Append(vtkInformationKeyVectorKey* key, vtkInformationUnsignedLongKey* value)
{
  key->Append(this, value);
}

//------------------------------------------------------------------------------
void vtkInformation::Append(vtkInformationKeyVectorKey* key, vtkInformationObjectBaseKey* value)
{
  key->Append(this, value);
}

//------------------------------------------------------------------------------
void vtkInformation::Append(vtkInformationKeyVectorKey* key, vtkInformationStringVectorKey* value)
{
  key->Append(this, value);
}

//------------------------------------------------------------------------------
void vtkInformation::AppendUnique(
  vtkInformationKeyVectorKey* key, vtkInformationDataObjectKey* value)
{
  key->AppendUnique(this, value);
}

//------------------------------------------------------------------------------
void vtkInformation::AppendUnique(vtkInformationKeyVectorKey* key, vtkInformationKey* value)
{
  key->AppendUnique(this, value);
}

//------------------------------------------------------------------------------
void vtkInformation::AppendUnique(vtkInformationKeyVectorKey* key, vtkInformationDoubleKey* value)
{
  key->AppendUnique(this, value);
}

//------------------------------------------------------------------------------
void vtkInformation::AppendUnique(
  vtkInformationKeyVectorKey* key, vtkInformationDoubleVectorKey* value)
{
  key->AppendUnique(this, value);
}

//------------------------------------------------------------------------------
void vtkInformation::AppendUnique(
  vtkInformationKeyVectorKey* key, vtkInformationInformationKey* value)
{
  key->AppendUnique(this, value);
}

//------------------------------------------------------------------------------
void vtkInformation::AppendUnique(
  vtkInformationKeyVectorKey* key, vtkInformationInformationVectorKey* value)
{
  key->AppendUnique(this, value);
}

//------------------------------------------------------------------------------
void vtkInformation::AppendUnique(vtkInformationKeyVectorKey* key, vtkInformationIntegerKey* value)
{
  key->AppendUnique(this, value);
}

//------------------------------------------------------------------------------
void vtkInformation::AppendUnique(
  vtkInformationKeyVectorKey* key, vtkInformationIntegerVectorKey* value)
{
  key->AppendUnique(this, value);
}

//------------------------------------------------------------------------------
void vtkInformation::AppendUnique(vtkInformationKeyVectorKey* key, vtkInformationStringKey* value)
{
  key->AppendUnique(this, value);
}

//------------------------------------------------------------------------------
void vtkInformation::AppendUnique(
  vtkInformationKeyVectorKey* key, vtkInformationUnsignedLongKey* value)
{
  key->AppendUnique(this, value);
}

//------------------------------------------------------------------------------
void vtkInformation::AppendUnique(
  vtkInformationKeyVectorKey* key, vtkInformationObjectBaseKey* value)
{
  key->AppendUnique(this, value);
}

//------------------------------------------------------------------------------
void vtkInformation::AppendUnique(
  vtkInformationKeyVectorKey* key, vtkInformationStringVectorKey* value)
{
  key->AppendUnique(this, value);
}

//------------------------------------------------------------------------------
vtkInformationKey* vtkInformation::GetKey(vtkInformationKey* key)
{
  return key;
}

//------------------------------------------------------------------------------
vtkInformationKey* vtkInformation::GetKey(vtkInformationDataObjectKey* key)
{
  return key;
}

//------------------------------------------------------------------------------
vtkInformationKey* vtkInformation::GetKey(vtkInformationInformationKey* key)
{
  return key;
}

//------------------------------------------------------------------------------
vtkInformationKey* vtkInformation::GetKey(vtkInformationInformationVectorKey* key)
{
  return key;
}

//------------------------------------------------------------------------------
vtkInformationKey* vtkInformation::GetKey(vtkInformationIntegerKey* key)
{
  return key;
}

//------------------------------------------------------------------------------
vtkInformationKey* vtkInformation::GetKey(vtkInformationRequestKey* key)
{
  return key;
}

//------------------------------------------------------------------------------
vtkInformationKey* vtkInformation::GetKey(vtkInformationDoubleKey* key)
{
  return key;
}

//------------------------------------------------------------------------------
vtkInformationKey* vtkInformation::GetKey(vtkInformationIntegerVectorKey* key)
{
  return key;
}

//------------------------------------------------------------------------------
vtkInformationKey* vtkInformation::GetKey(vtkInformationDoubleVectorKey* key)
{
  return key;
}

//------------------------------------------------------------------------------
vtkInformationKey* vtkInformation::GetKey(vtkInformationStringKey* key)
{
  return key;
}

//------------------------------------------------------------------------------
vtkInformationKey* vtkInformation::GetKey(vtkInformationStringVectorKey* key)
{
  return key;
}

//------------------------------------------------------------------------------
vtkInformationKey* vtkInformation::GetKey(vtkInformationUnsignedLongKey* key)
{
  return key;
}

//------------------------------------------------------------------------------
vtkInformationKey* vtkInformation::GetKey(vtkInformationVariantKey* key)
{
  return key;
}

//------------------------------------------------------------------------------
vtkInformationKey* vtkInformation::GetKey(vtkInformationVariantVectorKey* key)
{
  return key;
}

//------------------------------------------------------------------------------
void vtkInformation::ReportReferences(vtkGarbageCollector* collector)
{
  this->Superclass::ReportReferences(collector);
  // Ask each key/value pair to report any references it holds.
  typedef vtkInformationInternals::MapType MapType;
  for (MapType::const_iterator i = this->Internal->Map.begin(); i != this->Internal->Map.end(); ++i)
  {
    i->first->Report(this, collector);
  }
}

//------------------------------------------------------------------------------
void vtkInformation::ReportAsObjectBase(vtkInformationKey* key, vtkGarbageCollector* collector)
{
  if (key)
  {
    typedef vtkInformationInternals::MapType MapType;
    MapType::iterator i = this->Internal->Map.find(key);
    if (i != this->Internal->Map.end())
    {
      vtkGarbageCollectorReport(collector, i->second, key->GetName());
    }
  }
}

//------------------------------------------------------------------------------
void vtkInformation::SetRequest(vtkInformationRequestKey* request)
{
  this->Request = request;
}

//------------------------------------------------------------------------------
vtkInformationRequestKey* vtkInformation::GetRequest()
{
  return this->Request;
}