CacheInterface.h

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#ifndef __CACHEINTERFACE_H__
#define __CACHEINTERFACE_H__

#include <CkCache.h>
#include "config.h"
#include "gravity.h"
#include "GenericTreeNode.h"
#include "keytype.h"

/*********************************************************
 * Gravity interface: Particles
 *********************************************************/

class CacheParticle {
public:
  CkCacheFillMsg<KeyType> *msg;
  int begin;
  int end;
  ExternalGravityParticle part[1];
};

class EntryTypeGravityParticle : public CkCacheEntryType<KeyType> {
public:
  EntryTypeGravityParticle();
  void * request(CkArrayIndexMax&, KeyType);
  void * unpack(CkCacheFillMsg<KeyType> *, int, CkArrayIndexMax &);
  void writeback(CkArrayIndexMax&, KeyType, void *);
  void free(void *);
  int size(void *);
  
  static void callback(CkArrayID, CkArrayIndexMax&, KeyType, CkCacheUserData &, void*, int);
};

/*********************************************************
 * Smooth interface: Particles
 *********************************************************/

class CacheSmoothParticle {
public:
    int begin;  
    int end;    
    int nActual; 
    KeyType key; 
    GravityParticle *partCached;        
    extraSPHData *extraSPHCached;       
    ExternalSmoothParticle partExt[1];  
};

class EntryTypeSmoothParticle : public CkCacheEntryType<KeyType> {
    // N.B. can't have helpful attributes because of the static function.
public:
  EntryTypeSmoothParticle();
  void * request(CkArrayIndexMax&, KeyType);
  void * unpack(CkCacheFillMsg<KeyType> *, int, CkArrayIndexMax &);
  void writeback(CkArrayIndexMax&, KeyType, void *);
  void free(void *);
  int size(void *);
  
  static void callback(CkArrayID, CkArrayIndexMax&, KeyType, CkCacheUserData &, void*, int);
};

/*********************************************************
 * Gravity interface: Nodes
 *********************************************************/

class EntryTypeGravityNode : public CkCacheEntryType<KeyType> {
  void *vptr; // For saving a copy of the virtual function table.
          // It's use will be compiler dependent.
  void unpackSingle(CkCacheFillMsg<KeyType> *, Tree::BinaryTreeNode *, int, CkArrayIndexMax &, bool);
public:
  EntryTypeGravityNode();
  void * request(CkArrayIndexMax&, KeyType);
  void * unpack(CkCacheFillMsg<KeyType> *, int, CkArrayIndexMax &);
  void writeback(CkArrayIndexMax&, KeyType, void *);
  void free(void *);
  int size(void *);
  
  static void callback(CkArrayID, CkArrayIndexMax&, KeyType, CkCacheUserData &, void*, int);
};

#endif