te::da::OrderByItem Class Reference

A class that can be used in an ORDER BY clause to sort the items of a resulting query. More...

#include <OrderByItem.h>

Public Member Functions
Expression *	getExpression () const
	It returns the exprsssion to be used to sort the result of a query. More...
SortOrder	getSortOrder () const
	It returns the order of sorting: Asc or Desc. More...
OrderByItem &	operator= (const OrderByItem &rhs)
	OrderByItem (const Expression &e, SortOrder order=ASC)
	Constructor. More...
	OrderByItem (Expression *e, SortOrder order=ASC)
	Constructor. More...
	OrderByItem (const std::string &propertyName, SortOrder order=ASC)
	Constructor. More...
	OrderByItem (const OrderByItem &rhs)
	Copy constructor. More...
void	setExpression (Expression *e)
	It sets the expression to sort the result of a query. More...
void	setSortOrder (SortOrder o)
	It sets the order to be used during the sorting of a query. More...
	~OrderByItem ()
	Destructor. More...

Private Attributes
std::auto_ptr< Expression >	m_field
	A valid expression. More...
SortOrder	m_order
	Sort order. More...

Detailed Description

A class that can be used in an ORDER BY clause to sort the items of a resulting query.

The order default will be ascendent if none is informed.

See also

OrderBy

Definition at line 53 of file OrderByItem.h.

Constructor & Destructor Documentation

te::da::OrderByItem::OrderByItem ( const Expression &  e, SortOrder  order = ASC  )

explicit

Constructor.

Parameters

e	An expression to be used in an ORDER BY clause.
order	The sort order.

te::da::OrderByItem::OrderByItem ( Expression *  e, SortOrder  order = ASC  )

explicit

Constructor.

Parameters

e	An expression to be used in an ORDER BY clause.
order	The sort order.

Note

The OrderByItem will take the ownership of Expression.

te::da::OrderByItem::OrderByItem ( const std::string &  propertyName, SortOrder  order = ASC  )

explicit

Constructor.

Parameters

propertyName	A property name.
order	The sort order.

te::da::OrderByItem::OrderByItem ( const OrderByItem &  rhs )

explicit

Copy constructor.

te::da::OrderByItem::~OrderByItem

(

)

Destructor.

Member Function Documentation

Expression* te::da::OrderByItem::getExpression

(

)

const

It returns the exprsssion to be used to sort the result of a query.

Returns

The exprsssion to be used to sort the result of a query.

SortOrder te::da::OrderByItem::getSortOrder

(

)

const

It returns the order of sorting: Asc or Desc.

Returns

The order of sorting: Asc or Desc.

OrderByItem& te::da::OrderByItem::operator=

(

const OrderByItem &

rhs

)

Assignment operator.

void te::da::OrderByItem::setExpression

(

Expression *

e

)

It sets the expression to sort the result of a query.

Parameters

e	The expression to be used to sort the result of a query.

Note

The OrderByItem will take the expression ownership.

void te::da::OrderByItem::setSortOrder

(

SortOrder

o

)

It sets the order to be used during the sorting of a query.

Parameters

o	The order to be used during the sorting of a query.

Member Data Documentation

std::auto_ptr<Expression> te::da::OrderByItem::m_field

private

A valid expression.

Definition at line 124 of file OrderByItem.h.

SortOrder te::da::OrderByItem::m_order

private

Sort order.

Definition at line 125 of file OrderByItem.h.

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The documentation for this class was generated from the following file:

• /home/castejon/castejon_files/develop/terralib5/git_master/terralib5/src/terralib/dataaccess/query/OrderByItem.h