Chemical Data Processing Library C++ API - Version 1.1.1
PropertyValueProduct.hpp
Go to the documentation of this file.
1 /*
2  * PropertyValueProduct.hpp
3  *
4  * This file is part of the Chemical Data Processing Toolkit
5  *
6  * Copyright (C) 2003 Thomas Seidel <thomas.seidel@univie.ac.at>
7  *
8  * This library is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2 of the License, or (at your option) any later version.
12  *
13  * This library is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public License
19  * along with this library; see the file COPYING. If not, write to
20  * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21  * Boston, MA 02111-1307, USA.
22  */
23 
29 #ifndef CDPL_UTIL_PROPERTYVALUEPRODUCT_HPP
30 #define CDPL_UTIL_PROPERTYVALUEPRODUCT_HPP
31 
32 #include "CDPL/Base/LookupKey.hpp"
34 
35 
36 namespace CDPL
37 {
38 
39  namespace Util
40  {
41 
48  template <typename ResType, typename PropertyValueType = ResType>
50  {
51 
52  public:
58  propKey(key) {}
59 
67  ResType operator()(const Base::PropertyContainer& cntnr1, const Base::PropertyContainer& cntnr2) const
68  {
69  return (cntnr1.getProperty<PropertyValueType>(propKey) * cntnr2.getProperty<PropertyValueType>(propKey));
70  }
71 
72  private:
73  Base::LookupKey propKey;
74  };
75  } // namespace Util
76 } // namespace CDPL
77 
78 #endif // CDPL_UTIL_PROPERTYVALUEPRODUCT_HPP
CDPL::Util::PropertyValueProduct::operator()
ResType operator()(const Base::PropertyContainer &cntnr1, const Base::PropertyContainer &cntnr2) const
Calculates the product of the property values stored in the Base::PropertyContainer instances cntnr1 ...
Definition: PropertyValueProduct.hpp:67
CDPL::Util::PropertyValueProduct::PropertyValueProduct
PropertyValueProduct(const Base::LookupKey &key)
Constructs a PropertyValueProduct instance for the property specified by key.
Definition: PropertyValueProduct.hpp:57
CDPL::Base::LookupKey
An unique lookup key for control-parameter and property values.
Definition: LookupKey.hpp:54
LookupKey.hpp
Definition of the class CDPL::Base::LookupKey.
CDPL::Base::PropertyContainer
A class providing methods for the storage and lookup of object properties.
Definition: PropertyContainer.hpp:75
CDPL
The namespace of the Chemical Data Processing Library.
CDPL::Util::PropertyValueProduct
A binary functor that calculates the product of two property values retrieved from a pair of Base::Pr...
Definition: PropertyValueProduct.hpp:50
PropertyContainer.hpp
Definition of the class CDPL::Base::PropertyContainer.
CDPL::Base::PropertyContainer::getProperty
const T & getProperty(const LookupKey &key) const
Returns the value of the property specified by key as a const reference to an object of type T.
Definition: PropertyContainer.hpp:265