clicache/src/impl/SafeConvert.hpp

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once


#include "../geode_defs.hpp"

#include "../begin_native.hpp"
#include "CacheImpl.hpp"
#include "../end_native.hpp"

#include "ManagedCacheableKey.hpp"
#include "ManagedCacheableDelta.hpp"
#include "../Serializable.hpp"
#include "../Log.hpp"
#include "../CacheableKey.hpp"
#include "../CqEvent.hpp"
#include "PdxManagedCacheableKey.hpp"
#include "PdxWrapper.hpp"
#include "../CqEvent.hpp"
#include "../UserFunctionExecutionException.hpp"
#include "../Cache.hpp"

namespace Apache
{
  namespace Geode
  {
    namespace Client
    {
      namespace native = apache::geode::client;

      interface class IPdxSerializable;
      public ref class SafeConvertClassGeneric
      {
      };

      /// <summary>
      /// Helper function to convert native <c>apache::geode::client::Serializable</c> object
      /// to managed <see cref="ISerializable" /> object.
      /// </summary>
      inline static Apache::Geode::Client::ISerializable^
        SafeUMSerializableConvertGeneric(std::shared_ptr<native::Serializable> serializableObject)
      {
        if (serializableObject == nullptr) return nullptr;

        if (auto managedDataSerializable = std::dynamic_pointer_cast<native::ManagedCacheableKeyGeneric>(serializableObject))
        {
          return managedDataSerializable->ptr();
        }
        else if (auto managedCacheableDeltaGeneric = std::dynamic_pointer_cast<native::ManagedCacheableDeltaGeneric>(serializableObject))
        {
          return dynamic_cast<Apache::Geode::Client::IDataSerializable^>(managedCacheableDeltaGeneric->ptr());
        }
        else if (auto mg_UFEEobj = std::dynamic_pointer_cast<native::UserFunctionExecutionException>(serializableObject))
        {
          return gcnew UserFunctionExecutionException(mg_UFEEobj);
        }
        else if (auto managedPrimitive = std::dynamic_pointer_cast<native::ManagedDataSerializablePrimitive>(serializableObject))
        {           
          return managedPrimitive->ptr();
        } 
        else if (auto primitive = std::dynamic_pointer_cast<native::DataSerializablePrimitive>(serializableObject))
        {           
          if (auto wrapperMethod = TypeRegistry::GetDataSerializablePrimitiveWrapperDelegateForDsCode(static_cast<int8_t>(primitive->getDsCode())))
          {
            return wrapperMethod(primitive);
          }
        }
        else if (auto dataSerializableFixedId = std::dynamic_pointer_cast<native::ManagedDataSerializableFixedId>(serializableObject))
        {           
          return dataSerializableFixedId->ptr();
        }
        else if (auto dataSerializableInternal = std::dynamic_pointer_cast<native::ManagedDataSerializableInternal>(serializableObject))
        {
          return dataSerializableInternal->ptr();
        }

        return gcnew Apache::Geode::Client::Serializable( serializableObject );
      }

      inline static native::Serializable* GetNativeWrapperForManagedIDataSerializable( IDataSerializable^ mg_obj )
      {
        if (mg_obj == nullptr) return __nullptr;
        
        if(auto sDelta = dynamic_cast<Apache::Geode::Client::IDelta^> (mg_obj))
        {
          return new native::ManagedCacheableDeltaGeneric(sDelta);
        }
        else
        {
          return new native::ManagedCacheableKeyGeneric(mg_obj, mg_obj->GetHashCode(), mg_obj->ClassId);
        }
      }

      template<typename NativeType, typename ManagedType>
      inline static NativeType* GetNativePtr( ManagedType^ mg_obj )
      {
        return (mg_obj != nullptr ? mg_obj->_NativePtr : NULL);
      }

      generic<class TValue>
      inline static TValue SafeGenericUMSerializableConvert( std::shared_ptr<native::Serializable> obj)
      {
        auto converted = SafeUMSerializableConvertGeneric(obj);

        if (converted == nullptr) return TValue();
        
        return safe_cast<TValue>(converted);
      }

      inline static native::Serializable* GetNativeWrapperForManagedObject(Object^ managedObject)
      {
        if (managedObject == nullptr) return __nullptr;

        if (auto dataSerializablePrimitive = dynamic_cast<IDataSerializablePrimitive^>(managedObject))
        {
          return new native::ManagedDataSerializablePrimitive(dataSerializablePrimitive);
        }
        else if (auto dataSerializable = dynamic_cast<IDataSerializable^>(managedObject))
        {
          return GetNativeWrapperForManagedIDataSerializable(dataSerializable);
        }
        else if (auto pdxSerializable = dynamic_cast<IPdxSerializable^>(managedObject))
        {
          return new native::PdxManagedCacheableKey(pdxSerializable);
        }
        else if (auto dataSerializableFixedId = dynamic_cast<IDataSerializableFixedId^>(managedObject))
        {
          return new native::ManagedDataSerializableFixedId(dataSerializableFixedId);
        }
        else if (auto dataSerializableInternal = dynamic_cast<IDataSerializableInternal^>(managedObject))
        {
          return new native::ManagedDataSerializableInternal(dataSerializableInternal);
        }

        return new native::PdxManagedCacheableKey(gcnew PdxWrapper(managedObject));
      }

      inline static IPdxSerializable^ SafeUMSerializablePDXConvert( std::shared_ptr<native::Serializable> obj )
      {
         if(auto mg_obj = std::dynamic_pointer_cast<native::PdxManagedCacheableKey>( obj ))
           return mg_obj->ptr();

         throw gcnew IllegalStateException("Not be able to deserialize managed type");
      }

      /// <summary>
      /// Helper function to convert native <c>native::CacheableKey</c> object
      /// to managed <see cref="ICacheableKey" /> object.
      /// </summary>
      generic<class TKey>
      inline static Client::ICacheableKey^ SafeGenericUMKeyConvert( std::shared_ptr<native::CacheableKey> obj )
      {
        //All cacheables will be ManagedCacheableKey only
        if (obj == nullptr) return nullptr;
 
        if (auto mg_obj = std::dynamic_pointer_cast<native::ManagedCacheableKeyGeneric>(obj))
        {
            return (Client::ICacheableKey^)mg_obj->ptr( );
        }

        if (auto primitive = std::dynamic_pointer_cast<native::DataSerializablePrimitive>(obj)) {
          auto wrapperMethod = TypeRegistry::GetDataSerializablePrimitiveWrapperDelegateForDsCode(static_cast<int8_t>(primitive->getDsCode()));
          if (wrapperMethod != nullptr)
          {
            return (Client::ICacheableKey^)wrapperMethod(primitive);
          }
        }

        return gcnew Client::CacheableKey( obj );
      }

      template<typename NativeType, typename ManagedType>
      inline static NativeType* GetNativePtr2( ManagedType^ mg_obj )
      {
        if (mg_obj == nullptr) return NULL;
        //for cacheables types
        //return new native::ManagedCacheableKey(mg_obj, mg_obj->GetHashCode(), mg_obj->ClassId);
        {
          return new native::ManagedCacheableKeyGeneric( mg_obj, mg_obj->GetHashCode(), mg_obj->ClassId );
        }
      }

    }  // namespace Client
  }  // namespace Geode
}  // namespace Apache