// EventMergeDataset.h

#ifndef dset__EventMergeDataset_H
#define dset__EventMergeDataset_H

// David Adams
// July 2002
// Revised July 2003.
// Revised November 2003.
// Revised October 2004.
//
// Dataset created by merging event datasets with the same content and
// different events.
//
// The content has one block.

#include "dataset_base/GenericDataset.h"

namespace dset {

class EventMergeDataset : public GenericDataset {

public:  // Constructors, destructor.

  // Default constructor.
  // First merge is used to define the list of content ID's.
  EventMergeDataset();

  // Constructor specifying content.
  // The input content must include one block with events but an
  // empty event ID list. The content ID list may not be empty.
  EventMergeDataset(bool is_virtual, const Content& con);

  // Constructor from a generic dataset.
  explicit EventMergeDataset(const GenericDataset& dst);

public:  // virtual functions

  // Merge.
  int merge(const Dataset& dst, std::string ="");

};

}  // end namespace dset

#endif