OperationSetState.h

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/* -*- c++ -*-
 * Copyright (C) 2007-2015 Hypertable, Inc.
 *
 * This file is part of Hypertable.
 *
 * Hypertable 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; version 3 of the
 * License, or any later version.
 *
 * Hypertable 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., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */

#ifndef Hypertable_Master_OperationSetState_h
#define Hypertable_Master_OperationSetState_h

#include "Operation.h"

#include <Hypertable/Lib/Master/Request/Parameters/SetState.h>
#include <Hypertable/Lib/SystemVariable.h>

#include <Common/StringExt.h>

namespace Hypertable {


  class OperationSetState : public Operation {
  public:

    OperationSetState(ContextPtr &context);

    OperationSetState(ContextPtr &context, const MetaLog::EntityHeader &header_);

    OperationSetState(ContextPtr &context, EventPtr &event);

    virtual ~OperationSetState() { }

    void execute() override;
    
    const String name() override;

    const String label() override;

    void display_state(std::ostream &os) override;

    uint8_t encoding_version_state() const override;

    size_t encoded_length_state() const override;

    void encode_state(uint8_t **bufp) const override;

    void decode_state(uint8_t version, const uint8_t **bufp, size_t *remainp) override;

    void decode_state_old(uint8_t version, const uint8_t **bufp, size_t *remainp) override;

  private:

    void initialize_dependencies();

    Lib::Master::Request::Parameters::SetState m_params;

    uint64_t m_generation;

    std::vector<SystemVariable::Spec> m_specs;
  };


}

#endif // Hypertable_Master_OperationSetState_h