src/DataSource/FilePtclAttribDataSource.h

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// -*- C++ -*-
/***************************************************************************
 *
 * The IPPL Framework
 * 
 *
 * Visit http://people.web.psi.ch/adelmann/ for more details
 *
 ***************************************************************************/

#ifndef FILE_PARTICLE_ATTRIB_DATA_SOURCE_H
#define FILE_PARTICLE_ATTRIB_DATA_SOURCE_H

/***********************************************************************
 * 
 * class FileParticleAttribDataSource
 *
 * A specific version of DataSourceObject which takes the data for
 * a given ParticleAttrib and writes it to a file using a DiscParticle
 * object.
 *
 ***********************************************************************/

// include files
#include "DataSource/DataSourceObject.h"
#include "Particle/ParticleAttrib.h"
#include "Utility/DiscParticle.h"


template<class T>
class FileParticleAttribDataSource : public DataSourceObject {

public:
  // constructor: the name, the connection, the transfer method,
  // the ParticleAttrib to connect
  FileParticleAttribDataSource(const char *, DataConnect *, int,
                             ParticleAttrib<T> &);

  // destructor
  virtual ~FileParticleAttribDataSource();

  //
  // virtual function interface.
  //

  // Update the object, that is, make sure the receiver of the data has a
  // current and consistent snapshot of the current state.  Return success.
  virtual bool update();

  // Indicate to the receiver that we're allowing them time to manipulate the
  // data (e.g., for a viz program, to rotate it, change representation, etc.)
  // This should only return when the manipulation is done.
  virtual void interact(const char * = 0);

private:
  // the DiscParticle object, which read/writes the data
  DiscParticle *DP;

  // the ParticleAttrib to read into (or write from)
  ParticleAttrib<T> &MyParticles;

  // the number of frames we have read or written (i.e. or current record)
  int counter;
};

#include "DataSource/FilePtclAttribDataSource.cpp"

#endif // FILE_PARTICLE_ATTRIB_DATA_SOURCE_H

/***************************************************************************
 * $RCSfile: FilePtclAttribDataSource.h,v $   $Author: adelmann $
 * $Revision: 1.1.1.1 $   $Date: 2003/01/23 07:40:25 $
 * IPPL_VERSION_ID: $Id: FilePtclAttribDataSource.h,v 1.1.1.1 2003/01/23 07:40:25 adelmann Exp $ 
 ***************************************************************************/

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