src/UseTheForce/ForceFieldFactory.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 ForceFieldFactory.hpp
 * @author Teng Lin
 * @date 10/24/2004
 * @version 1.0
 */
#ifndef USETHEFORCE_FORCEFIELDFACTORY_HPP
#define USETHEFORCE_FORCEFIELDFACTORY_HPP
#include <cassert>
#include <map>
#include <string>
#include <vector>
#include <iostream>
namespace oopse {

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

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

            if (instance_ == NULL) {
                instance_ = new ForceFieldFactory();
            }
            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 registerForceField(ForceFieldCreator* 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 unregisterForceField(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
         */
        ForceField* createForceField(const std::string& id);

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

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

}//namespace oopse
#endif //USETHEFORCE_FORCEFIELDFACTORY_HPP
Revision:	1930
Committed:	Wed Jan 12 22:41:40 2005 UTC (19 years, 5 months ago) by gezelter
File size:	5038 byte(s)
Log Message:	merging new_design branch into OOPSE-2.0
#	User	Rev	Content
1	gezelter	1930	/*
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 ForceFieldFactory.hpp
44			* @author Teng Lin
45			* @date 10/24/2004
46			* @version 1.0
47			*/
48			#ifndef USETHEFORCE_FORCEFIELDFACTORY_HPP
49			#define USETHEFORCE_FORCEFIELDFACTORY_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 ForceField;
59			class ForceFieldCreator;
60			/**
61			* @class ForceFieldFactory ForceFieldFactory.hpp "UseTheForce/ForceFieldFactory.hpp"
62			* Factory pattern and Singleton Pattern are used to define an interface for creating an ForceField.
63			*/
64			class ForceFieldFactory {
65			public:
66
67			typedef std::map<std::string, ForceFieldCreator*> CreatorMapType;
68			typedef std::vector<std::string> IdentVectorType;
69			typedef std::vector<std::string>::iterator IdentVectorIterator;
70
71			~ForceFieldFactory();
72
73			/**
74			* Returns an instance of ForceField factory
75			* @return an instance of ForceField factory
76			*/
77			static ForceFieldFactory* getInstance() {
78
79			if (instance_ == NULL) {
80			instance_ = new ForceFieldFactory();
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 registerForceField(ForceFieldCreator* 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 unregisterForceField(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			ForceField* createForceField(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			ForceFieldFactory() {}
119
120			static ForceFieldFactory* 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, ForceFieldFactory& factory);
126
127			}//namespace oopse
128			#endif //USETHEFORCE_FORCEFIELDFACTORY_HPP