A base class for binary functions. More...
#include <BinaryFunction.h>
Public Types | |
typedef void | ReturnType |
typedef QueryVisitor | VisitorType |
Public Member Functions | |
virtual ReturnType | accept (VisitorType &guest) const =0 |
It call the visit method from the guest object. More... | |
void | add (Expression *arg) |
It adds the argument to the function list of arguments. More... | |
TE_DEFINE_VISITABLE | BinaryFunction (const std::string &name, Expression *arg1, Expression *arg2) |
Constructor. More... | |
BinaryFunction (const std::string &name, const Expression &arg1, const Expression &arg2) | |
Constructor. More... | |
BinaryFunction (const BinaryFunction &rhs) | |
Copy constructor. More... | |
Expression * | clone () const |
It creates a new copy of this expression. More... | |
Expression * | getArg (std::size_t i) const |
It returns the i-th function argument. More... | |
Expression * | getFirst () const |
It returns the first function argument. More... | |
const std::string & | getName () const |
It returns the function name. More... | |
std::size_t | getNumArgs () const |
It returns the number of arguments informed to the function. More... | |
Expression * | getSecond () const |
It returns the second function argument. More... | |
BinaryFunction & | operator= (const BinaryFunction &rhs) |
Expression * | operator[] (std::size_t i) const |
It returns the i-th function argument. More... | |
void | setFirst (Expression *arg) |
It sets the first function argument. More... | |
void | setSecond (Expression *arg) |
It sets the second function argument. More... | |
virtual | ~BinaryFunction () |
Virtual Destructor. More... | |
Protected Attributes | |
std::vector< Expression * > | m_args |
The list of arguments. More... | |
std::string | m_name |
The function name. May be an operator symbol or just a regular name like ST_Intersects. More... | |
A base class for binary functions.
Definition at line 43 of file BinaryFunction.h.
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inherited |
Definition at line 58 of file BaseVisitable.h.
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inherited |
Definition at line 57 of file BaseVisitable.h.
te::da::BinaryFunction::BinaryFunction | ( | const std::string & | name, |
Expression * | arg1, | ||
Expression * | arg2 | ||
) |
Constructor.
name | The function name. |
arg1 | The first argument. |
arg2 | The second argument. |
Definition at line 32 of file BinaryFunction.cpp.
References te::da::Function::m_args.
te::da::BinaryFunction::BinaryFunction | ( | const std::string & | name, |
const Expression & | arg1, | ||
const Expression & | arg2 | ||
) |
Constructor.
name | The function name. |
arg1 | The first argument. |
arg2 | The second argument. |
Definition at line 40 of file BinaryFunction.cpp.
References te::da::Expression::clone(), and te::da::Function::m_args.
te::da::BinaryFunction::BinaryFunction | ( | const BinaryFunction & | rhs | ) |
Copy constructor.
Definition at line 47 of file BinaryFunction.cpp.
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virtual |
Virtual Destructor.
Definition at line 52 of file BinaryFunction.cpp.
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pure virtualinherited |
It call the visit method from the guest object.
guest | The guest or visitor. |
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inherited |
It adds the argument to the function list of arguments.
arg | The argument to be added. |
Definition at line 79 of file Function.cpp.
Referenced by te::map::QueryEncoder::getExpression(), te::da::ObjectIdSet::getExpressionByInClause(), te::da::ObjectIdSet::setExpressionByInClause(), and te::map::QueryEncoder::visit().
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virtual |
It creates a new copy of this expression.
Implements te::da::Expression.
Reimplemented in te::da::LessThanOrEqualTo, te::da::ST_Contains, te::da::BinaryOp, te::da::Div, te::da::EqualTo, te::da::GreaterThan, te::da::GreaterThanOrEqualTo, te::da::LessThan, te::da::Mul, te::da::NotEqualTo, te::da::Or, te::da::ST_Crosses, te::da::ST_Difference, te::da::ST_Disjoint, te::da::ST_EnvelopeIntersects, te::da::ST_Equals, te::da::ST_Intersection, te::da::ST_Intersects, te::da::ST_Overlaps, te::da::ST_SetSRID, te::da::ST_Touches, te::da::ST_Within, and te::da::Sub.
Definition at line 62 of file BinaryFunction.cpp.
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inherited |
It returns the i-th function argument.
i | The argument position. |
Definition at line 67 of file Function.cpp.
Referenced by te::qt::widgets::DataSetTableView::changeColumnData(), te::da::SpatialRestrictionVisitor::getGeometryRestriction(), te::da::SpatialRestrictionVisitor::getPropertyName(), te::da::SpatialRestrictionVisitor::isFromEnvelope(), and te::serialize::xml::Save().
te::da::Expression * te::da::BinaryFunction::getFirst | ( | ) | const |
It returns the first function argument.
Definition at line 67 of file BinaryFunction.cpp.
Referenced by te::qt::widgets::DataSetTableView::changeColumnData(), and te::ado::SQLVisitor::visit().
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inlineinherited |
It returns the function name.
Definition at line 79 of file Function.h.
Referenced by te::da::AttributeRestrictionVisitor::getOperator(), te::da::SpatialRestrictionVisitor::getSpatialRelation(), te::da::AttributeRestrictionVisitor::isAttributeRestrictionFunction(), te::da::SpatialRestrictionVisitor::isSpatialRestrictionFunction(), te::serialize::xml::Save(), te::da::SpatialQueryProcessor::supportsSpatialTopologicOperatos(), te::ogr::SQLVisitor::visit(), and te::da::SQLVisitor::visit().
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inherited |
It returns the number of arguments informed to the function.
Definition at line 62 of file Function.cpp.
Referenced by te::qt::widgets::DataSetTableView::changeColumnData(), te::da::ObjectIdSet::getExpressionByInClause(), te::da::SpatialRestrictionVisitor::getGeometryRestriction(), te::da::SpatialRestrictionVisitor::getPropertyName(), te::da::SpatialRestrictionVisitor::isFromEnvelope(), te::serialize::xml::Save(), te::da::ObjectIdSet::setExpressionByInClause(), te::da::FunctionNoArgsEncoder::toSQL(), te::da::UnaryOpEncoder::toSQL(), te::da::BinaryOpEncoder::toSQL(), te::da::FunctionEncoder::toSQL(), te::da::TemplateEncoder::toSQL(), te::ogr::SQLVisitor::visit(), te::da::AttributeRestrictionVisitor::visit(), te::da::SpatialRestrictionVisitor::visit(), and te::da::SQLVisitor::visit().
te::da::Expression * te::da::BinaryFunction::getSecond | ( | ) | const |
It returns the second function argument.
Definition at line 80 of file BinaryFunction.cpp.
Referenced by te::qt::widgets::DataSetTableView::changeColumnData(), and te::ado::SQLVisitor::visit().
te::da::BinaryFunction & te::da::BinaryFunction::operator= | ( | const BinaryFunction & | rhs | ) |
Assignment operator.
Definition at line 56 of file BinaryFunction.cpp.
References te::da::Function::operator=().
Referenced by te::da::ST_Crosses::operator=(), te::da::ST_Within::operator=(), te::da::ST_Difference::operator=(), te::da::ST_SetSRID::operator=(), te::da::ST_Overlaps::operator=(), te::da::ST_Intersection::operator=(), te::da::ST_Intersects::operator=(), te::da::ST_Equals::operator=(), te::da::ST_Touches::operator=(), te::da::ST_Disjoint::operator=(), te::da::ST_EnvelopeIntersects::operator=(), te::da::BinaryOp::operator=(), and te::da::ST_Contains::operator=().
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inherited |
It returns the i-th function argument.
i | The argument position. |
Definition at line 73 of file Function.cpp.
void te::da::BinaryFunction::setFirst | ( | Expression * | arg | ) |
It sets the first function argument.
arg | The first function argument. |
Definition at line 73 of file BinaryFunction.cpp.
void te::da::BinaryFunction::setSecond | ( | Expression * | arg | ) |
It sets the second function argument.
arg | The second function argument. |
Definition at line 86 of file BinaryFunction.cpp.
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protectedinherited |
The list of arguments.
Definition at line 118 of file Function.h.
Referenced by BinaryFunction(), te::da::Function::Function(), te::da::Like::Like(), te::da::Function::operator=(), te::da::ST_Area::ST_Area(), te::da::ST_Buffer::ST_Buffer(), te::da::ST_Centroid::ST_Centroid(), te::da::ST_ConvexHull::ST_ConvexHull(), te::da::ST_DistanceBuffer::ST_DistanceBuffer(), te::da::ST_Envelope::ST_Envelope(), te::da::ST_Length::ST_Length(), te::da::ST_Perimeter::ST_Perimeter(), te::da::ST_Relate::ST_Relate(), te::da::ST_Transform::ST_Transform(), te::da::Substring::Substring(), and te::da::UnaryFunction::UnaryFunction().
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protectedinherited |
The function name. May be an operator symbol or just a regular name like ST_Intersects.
Definition at line 117 of file Function.h.
Referenced by te::da::Function::operator=().