ST_NPoints.cpp
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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.
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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/ST_NPoints.cpp
22 
23  \brief Spatial number of points operator.
24 */
25 
26 // TerraLib
27 #include "../../geometry/Geometry.h"
28 #include "LiteralGeom.h"
29 #include "PropertyName.h"
30 #include "ST_NPoints.h"
31 
33  : Function("st_npoints")
34 {
35  LiteralGeom* geom = new LiteralGeom(g);
36  m_args.push_back(geom);
37 }
38 
40  : Function("st_npoints")
41 {
42  m_args.push_back(prop.clone());
43 }
44 
46  : Function("st_npoints")
47 {
48  m_args.push_back(e.clone());
49 }
50 
52 
54  default;
55 
57 {
58  return new ST_NPoints(*this);
59 }
60 
A class that models the name of any property of an object.
A class that models the name of any property of an object.
virtual Expression * clone() const =0
It creates a new copy of this expression.
This is an abstract class that models a query expression.
Expression * clone() const
It creates a new copy of this expression.
ST_NPoints & operator=(const ST_NPoints &rhs)
Expression * clone() const
It creates a new copy of this expression.
Definition: ST_NPoints.cpp:56
A class that models a Function expression.
Geometry is the root class of the geometries hierarchy, it follows OGC and ISO standards.
A class that models a literal for Geometry values.
std::vector< Expression * > m_args
The list of arguments.
TE_DEFINE_VISITABLE ST_NPoints(const te::gm::Geometry &g)
Constructor.
Definition: ST_NPoints.cpp:32
Spatial number of points operator.
Definition: ST_NPoints.h:50
~ST_NPoints()
Destructor.
A class that models a literal for Geometry values.
Definition: LiteralGeom.h:46
Spatial number of points operator.