src/lattice/LatticeFactory.hpp

/*
 * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
 *
 * The University of Notre Dame grants you ("Licensee") a
 * non-exclusive, royalty free, license to use, modify and
 * redistribute this software in source and binary code form, provided
 * that the following conditions are met:
 *
 * 1. Acknowledgement of the program authors must be made in any
 *    publication of scientific results based in part on use of the
 *    program.  An acceptable form of acknowledgement is citation of
 *    the article in which the program was described (Matthew
 *    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
 *    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
 *    Parallel Simulation Engine for Molecular Dynamics,"
 *    J. Comput. Chem. 26, pp. 252-271 (2005))
 *
 * 2. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 3. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the
 *    distribution.
 *
 * This software is provided "AS IS," without a warranty of any
 * kind. All express or implied conditions, representations and
 * warranties, including any implied warranty of merchantability,
 * fitness for a particular purpose or non-infringement, are hereby
 * excluded.  The University of Notre Dame and its licensors shall not
 * be liable for any damages suffered by licensee as a result of
 * using, modifying or distributing the software or its
 * derivatives. In no event will the University of Notre Dame or its
 * licensors be liable for any lost revenue, profit or data, or for
 * direct, indirect, special, consequential, incidental or punitive
 * damages, however caused and regardless of the theory of liability,
 * arising out of the use of or inability to use software, even if the
 * University of Notre Dame has been advised of the possibility of
 * such damages.
 */
 
/**
 * @file LatticeFactory.hpp
 * @author Teng Lin
 * @date 10/24/2004
 * @version 1.0
 */
#ifndef LATTICE_LATTICEFACTORY_HPP
#define LATTICE_LATTICEFACTORY_HPP
#include <cassert>
#include <map>
#include <string>
#include <vector>
#include <iostream>
namespace oopse {

  //forward declaration
  class Lattice;
  class LatticeCreator;
  /**
   * @class LatticeFactory LatticeFactory.hpp "UseTheForce/LatticeFactory.hpp"
   * Factory pattern and Singleton Pattern are used to define an interface for creating an Lattice.
   */
  class LatticeFactory {
  public:
                
    typedef std::map<std::string, LatticeCreator*> CreatorMapType;
    typedef std::vector<std::string> IdentVectorType;
    typedef std::vector<std::string>::iterator IdentVectorIterator;

    ~LatticeFactory();
                    
    /**
     * Returns an instance of Lattice factory
     * @return an instance of Lattice factory
     */        
    static LatticeFactory* getInstance() {

      if (instance_ == NULL) {
        instance_ = new LatticeFactory();
      }
      return instance_;
            
    }

    /**
     * Registers a creator with a type identifier
     * @return true if registration is succeed, otherwise return false
     * @id the identification of the concrete object
     * @creator the object responsible to create the concrete object 
     */
    bool registerLattice(LatticeCreator* creator);

    /**
     * Unregisters the creator for the given type identifier. If the type identifier 
     * was previously registered, the function returns true.
     * @return truethe type identifier was previously registered and the creator is removed,
     * otherwise return false
     * @id the identification of the concrete object
     */
    bool unregisterLattice(const std::string& id);
    /**
     * Looks up the type identifier in the internal map. If it is found, it invokes the
     * corresponding creator for the type identifier and returns its result. 
     * @return a pointer of the concrete object, return NULL if no creator is registed for 
     * creating this concrete object
     * @param id the identification of the concrete object
     */
    Lattice* createLattice(const std::string& id);

    /** 
     *  Returns all of the registed  type identifiers
     * @return all of the registed  type identifiers
     */
    IdentVectorType getIdents();
        
  private:
    LatticeFactory() {}
        
    static LatticeFactory* instance_;
    CreatorMapType creatorMap_;
  };

  /** write out all of the type identifiers to an output stream */
  std::ostream& operator <<(std::ostream& o, LatticeFactory& factory);

}//namespace oopse
#endif //USETHEFORCE_FORCEFIELDFACTORY_HPP
Revision:	2204
Committed:	Fri Apr 15 22:04:00 2005 UTC (19 years, 2 months ago) by gezelter
File size:	4778 byte(s)
Log Message:	xemacs has been drafted to perform our indentation services
#	Content
1	/*
2	* Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
3	*
4	* The University of Notre Dame grants you ("Licensee") a
5	* non-exclusive, royalty free, license to use, modify and
6	* redistribute this software in source and binary code form, provided
7	* that the following conditions are met:
8	*
9	* 1. Acknowledgement of the program authors must be made in any
10	* publication of scientific results based in part on use of the
11	* program. An acceptable form of acknowledgement is citation of
12	* the article in which the program was described (Matthew
13	* A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
14	* J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
15	* Parallel Simulation Engine for Molecular Dynamics,"
16	* J. Comput. Chem. 26, pp. 252-271 (2005))
17	*
18	* 2. Redistributions of source code must retain the above copyright
19	* notice, this list of conditions and the following disclaimer.
20	*
21	* 3. Redistributions in binary form must reproduce the above copyright
22	* notice, this list of conditions and the following disclaimer in the
23	* documentation and/or other materials provided with the
24	* distribution.
25	*
26	* This software is provided "AS IS," without a warranty of any
27	* kind. All express or implied conditions, representations and
28	* warranties, including any implied warranty of merchantability,
29	* fitness for a particular purpose or non-infringement, are hereby
30	* excluded. The University of Notre Dame and its licensors shall not
31	* be liable for any damages suffered by licensee as a result of
32	* using, modifying or distributing the software or its
33	* derivatives. In no event will the University of Notre Dame or its
34	* licensors be liable for any lost revenue, profit or data, or for
35	* direct, indirect, special, consequential, incidental or punitive
36	* damages, however caused and regardless of the theory of liability,
37	* arising out of the use of or inability to use software, even if the
38	* University of Notre Dame has been advised of the possibility of
39	* such damages.
40	*/
41
42	/**
43	* @file LatticeFactory.hpp
44	* @author Teng Lin
45	* @date 10/24/2004
46	* @version 1.0
47	*/
48	#ifndef LATTICE_LATTICEFACTORY_HPP
49	#define LATTICE_LATTICEFACTORY_HPP
50	#include <cassert>
51	#include <map>
52	#include <string>
53	#include <vector>
54	#include <iostream>
55	namespace oopse {
56
57	//forward declaration
58	class Lattice;
59	class LatticeCreator;
60	/**
61	* @class LatticeFactory LatticeFactory.hpp "UseTheForce/LatticeFactory.hpp"
62	* Factory pattern and Singleton Pattern are used to define an interface for creating an Lattice.
63	*/
64	class LatticeFactory {
65	public:
66
67	typedef std::map<std::string, LatticeCreator*> CreatorMapType;
68	typedef std::vector<std::string> IdentVectorType;
69	typedef std::vector<std::string>::iterator IdentVectorIterator;
70
71	~LatticeFactory();
72
73	/**
74	* Returns an instance of Lattice factory
75	* @return an instance of Lattice factory
76	*/
77	static LatticeFactory* getInstance() {
78
79	if (instance_ == NULL) {
80	instance_ = new LatticeFactory();
81	}
82	return instance_;
83
84	}
85
86	/**
87	* Registers a creator with a type identifier
88	* @return true if registration is succeed, otherwise return false
89	* @id the identification of the concrete object
90	* @creator the object responsible to create the concrete object
91	*/
92	bool registerLattice(LatticeCreator* creator);
93
94	/**
95	* Unregisters the creator for the given type identifier. If the type identifier
96	* was previously registered, the function returns true.
97	* @return truethe type identifier was previously registered and the creator is removed,
98	* otherwise return false
99	* @id the identification of the concrete object
100	*/
101	bool unregisterLattice(const std::string& id);
102	/**
103	* Looks up the type identifier in the internal map. If it is found, it invokes the
104	* corresponding creator for the type identifier and returns its result.
105	* @return a pointer of the concrete object, return NULL if no creator is registed for
106	* creating this concrete object
107	* @param id the identification of the concrete object
108	*/
109	Lattice* createLattice(const std::string& id);
110
111	/**
112	* Returns all of the registed type identifiers
113	* @return all of the registed type identifiers
114	*/
115	IdentVectorType getIdents();
116
117	private:
118	LatticeFactory() {}
119
120	static LatticeFactory* instance_;
121	CreatorMapType creatorMap_;
122	};
123
124	/** write out all of the type identifiers to an output stream */
125	std::ostream& operator <<(std::ostream& o, LatticeFactory& factory);
126
127	}//namespace oopse
128	#endif //USETHEFORCE_FORCEFIELDFACTORY_HPP