All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Properties Friends Macros Groups Pages
UnaryOp.cpp
Go to the documentation of this file.
1 /* Copyright (C) 2008 National Institute For Space Research (INPE) - Brazil.
2 
3  This file is part of the TerraLib - a Framework for building GIS enabled applications.
4 
5  TerraLib is free software: you can redistribute it and/or modify
6  it under the terms of the GNU Lesser General Public License as published by
7  the Free Software Foundation, either version 3 of the License,
8  or (at your option) any later version.
9 
10  TerraLib is distributed in the hope that it will be useful,
11  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  GNU Lesser General Public License for more details.
14 
15  You should have received a copy of the GNU Lesser General Public License
16  along with TerraLib. See COPYING. If not, write to
17  TerraLib Team at <terralib-team@terralib.org>.
18  */
19 
20 /*!
21  \file terralib/dataaccess/query/UnaryOp.cpp
22 
23  \brief A base class for unary operators.
24 */
25 
26 // TerraLib
27 #include "UnaryOp.h"
28 
30  : UnaryFunction(rhs)
31 {
32 }
33 
35 {
37  return *this;
38 }
39 
41 {
42  return new UnaryOp(*this);
43 }
44 
A base class for unary operators.
A base class for unary functions.
Definition: UnaryFunction.h:43
Expression * clone() const
It creates a new copy of this expression.
Definition: UnaryOp.cpp:40
This is an abstract class that models a query expression.
Definition: Expression.h:47
UnaryOp & operator=(const UnaryOp &rhs)
Definition: UnaryOp.cpp:34
UnaryFunction & operator=(const UnaryFunction &rhs)
UnaryOp(const std::string &name, Expression *arg)
Constructor.
Definition: UnaryOp.h:57
A base class for unary operators.
Definition: UnaryOp.h:43