error_stack_batch.hpp

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/*
 * Copyright (c) 2014-2015, Hewlett-Packard Development Company, LP.
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details. You should have received a copy of the GNU General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 * HP designates this particular file as subject to the "Classpath" exception
 * as provided by HP in the LICENSE.txt file that accompanied this code.
 */
#ifndef FOEDUS_ERROR_STACK_BATCH_HPP_
#define FOEDUS_ERROR_STACK_BATCH_HPP_
#include <iosfwd>
#include <vector>

#include "foedus/cxx11.hpp"
#include "foedus/error_stack.hpp"

namespace foedus {
class ErrorStackBatch {
 public:
  ErrorStackBatch() {}
  ErrorStackBatch(const ErrorStackBatch &other) : error_batch_(other.error_batch_) {}

  ErrorStackBatch& operator=(const ErrorStackBatch &other) {
    error_batch_ = other.error_batch_;
    return *this;
  }

#ifndef DISABLE_CXX11_IN_PUBLIC_HEADERS

  ErrorStackBatch(ErrorStackBatch &&other) {
    error_batch_ = std::move(other.error_batch_);
  }

  ErrorStackBatch& operator=(ErrorStackBatch &&other) {
    error_batch_ = std::move(other.error_batch_);
    return *this;
  }
#endif  // DISABLE_CXX11_IN_PUBLIC_HEADERS

  void clear() { error_batch_.clear(); }

  void push_back(const ErrorStack &error_stack) {
    if (!error_stack.is_error()) {
      return;
    }
    error_batch_.push_back(error_stack);
  }

#ifndef DISABLE_CXX11_IN_PUBLIC_HEADERS

  void emprace_back(ErrorStack &&error_stack) {
    if (!error_stack.is_error()) {
      return;
    }
    error_batch_.emplace_back(error_stack);
  }
#endif  // DISABLE_CXX11_IN_PUBLIC_HEADERS

  bool        is_error() const { return !error_batch_.empty(); }

  template<class T>
  void        uninitialize_and_delete_all(std::vector< T* > *vec) {
    while (!vec->empty()) {
      if (vec->back()->is_initialized()) {
#ifndef DISABLE_CXX11_IN_PUBLIC_HEADERS
        emprace_back(vec->back()->uninitialize());
#else   // DISABLE_CXX11_IN_PUBLIC_HEADERS
        push_back(vec->back()->uninitialize());
#endif  // DISABLE_CXX11_IN_PUBLIC_HEADERS
      }
      delete vec->back();
      vec->pop_back();
    }
  }

  ErrorStack  summarize(const char* filename, const char* func, uint32_t linenum) const;

  friend std::ostream& operator<<(std::ostream& o, const ErrorStackBatch& obj);

 private:
  std::vector<ErrorStack> error_batch_;
};
}  // namespace foedus

#define SUMMARIZE_ERROR_BATCH(x) x.summarize(__FILE__, __FUNCTION__, __LINE__)

#endif  // FOEDUS_ERROR_STACK_BATCH_HPP_