libminifi/include/core/ProcessSessionReadCallback.h

/**
 * @file ProcessSessionReadCallback.h
 * ProcessSessionReadCallback class declaration
 *
 * 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.
 */
#ifndef LIBMINIFI_INCLUDE_CORE_PROCESSSESSIONREADCALLBACK_H_
#define LIBMINIFI_INCLUDE_CORE_PROCESSSESSIONREADCALLBACK_H_

#include <memory>
#include <string>

#include "core/logging/LoggerConfiguration.h"
#include "io/BaseStream.h"
#include "FlowFileRecord.h"

namespace org {
namespace apache {
namespace nifi {
namespace minifi {
namespace core {
class ProcessSessionReadCallback : public InputStreamCallback {
 public:
  ProcessSessionReadCallback(const std::string &tmpFile, const std::string &destFile,
      std::shared_ptr<logging::Logger> logger);
  ~ProcessSessionReadCallback();
  virtual int64_t process(std::shared_ptr<io::BaseStream> stream);
  bool commit();

 private:
  std::shared_ptr<logging::Logger> logger_;
  std::ofstream _tmpFileOs;
  bool _writeSucceeded = false;
  std::string _tmpFile;
  std::string _destFile;
};
}  // namespace core
}  // namespace minifi
}  // namespace nifi
}  // namespace apache
}  // namespace org
#endif  // LIBMINIFI_INCLUDE_CORE_PROCESSSESSIONREADCALLBACK_H_