/**
 * The CERN Tape Archive (CTA) project
 * Copyright © 2018 CERN
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */

#ifndef AGENTWRAPPER_HPP
#define AGENTWRAPPER_HPP

#include "AgentReferenceInterface.hpp"
#include "Agent.hpp"

namespace cta { namespace objectstore {
  
class AgentWrapper: public AgentReferenceInterface {
public:
  AgentWrapper(Agent& agent);
  
  virtual ~AgentWrapper();
  
  /**
   * Adds an object address to the referenced agent. The additions and removals
   * are queued in memory so that several threads can share the same access.
   * The execution order is guaranteed.
   * @param objectAddress
   * @param backend reference to the backend to use.
   */
  void addToOwnership(const std::string &objectAddress, objectstore::Backend& backend) override;
  
  /**
   * Adds a list of object addresses to the referenced agent. The addition is immediate.
   * @param objectAdresses
   * @param backend reference to the backend to use.
   */
  void addBatchToOwnership(const std::list<std::string> &objectAdresses, objectstore::Backend& backend) override;
  
  /**
   * Removes an object address from the referenced agent. The additions and removals
   * are queued in memory so that several threads can share the same access.
   * The execution order is guaranteed.
   * @param objectAddress
   */
  void removeFromOwnership(const std::string &objectAddress, objectstore::Backend& backend) override;
  
  /**
   * Removes a list of object addresses to the referenced agent. The removal is immediate.
   * @param objectAdresses
   * @param backend reference to the backend to use.
   */
  void removeBatchFromOwnership(const std::list<std::string> &objectAdresses, objectstore::Backend& backend) override;
  
  std::string getAgentAddress() override;
  
private:
  Agent& m_agent;
};

}}

#endif /* AGENTWRAPPER_HPP */