/* ******************************************************************************
 *
 *
 * This program and the accompanying materials are made available under the
 * terms of the Apache License, Version 2.0 which is available at
 * https://www.apache.org/licenses/LICENSE-2.0.
 *
 *  See the NOTICE file distributed with this work for additional
 *  information regarding copyright ownership.
 * 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.
 *
 * SPDX-License-Identifier: Apache-2.0
 ******************************************************************************/

//
// @author raver119@gmail.com
//

#ifndef LIBND4J_CONTEXTBUFFERS_H
#define LIBND4J_CONTEXTBUFFERS_H

#include <execution/ErrorReference.h>
#include <system/common.h>

namespace sd {
class SD_LIB_EXPORT ContextBuffers {
 private:
  void *_reductionPointer = nullptr;
  void *_scalarPointer = nullptr;
  void *_allocationPointer = nullptr;
  void *_execStream = nullptr;
  void *_specialStream = nullptr;
  ErrorReference _errorReference;
  bool _allocated = false;
  bool _initialized = false;

  int _deviceId = -1;

  void initialize();

 public:
  ContextBuffers();
  ContextBuffers(const ContextBuffers &other);
  ContextBuffers(void *rPointer, void *sPointer, void *aPointer, bool isOwner = false);
  ~ContextBuffers();

  ContextBuffers &operator=(const ContextBuffers &other);
  ContextBuffers &operator=(ContextBuffers &&other);

  void release();

  void *reductionBuffer();
  void *scalarBuffer();
  void *allocationBuffer();

  void *execStream();
  void *specialStream();

  void setReductionBuffer(void *pointer);
  void setScalarBuffer(void *pointer);
  void setAllocationBuffer(void *pointer);

  ErrorReference *errorReference();

  void triggerOwnership(bool isOwner);

  int deviceId();

  bool isInitialized();
};
}  // namespace sd

#endif  // DEV_TESTS_CONTEXTBUFFERS_H