record_queue.h

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//
// Copyright (c) 2014 Limit Point Systems, Inc.
//
// Licensed 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 RECORD_QUEUE_H
#define RECORD_QUEUE_H

#ifndef SHEAF_DLL_SPEC_H
#include "SheafSystem/sheaf_dll_spec.h"
#endif

#ifndef ANY_H
#include "SheafSystem/any.h"
#endif

#ifndef POD_TYPES_H
#include "SheafSystem/pod_types.h"
#endif

#ifndef STD_QUEUE_H
#include "SheafSystem/std_queue.h"
#endif


namespace sheaf
{
  
class SHEAF_DLL_SPEC record_queue : public any
{

  // ===========================================================
  // ===========================================================

public:

  record_queue();

  record_queue(const record_queue& xother);

  virtual ~record_queue();

  void enqueue(pod_index_type xindex);

  pod_index_type dequeue();

  int ct() const;

  bool is_empty() const;

  void clear();

protected:

private:

  std::queue<pod_index_type> _record_queue;




  // ===========================================================
  // ===========================================================

public:

  virtual record_queue* clone() const;

  virtual bool invariant() const;

  virtual bool is_ancestor_of(const any* other) const;

protected:

private:


};
  
} // namespace sheaf

#endif // ifndef RECORD_QUEUE_H