#include <DataSetAdapter.h>

Inheritance diagram for te::da::DataSetAdapter:

Public Member Functions
Constructor/Destructor
Initilizer methods.
	DataSetAdapter (DataSet *dataset, bool isOwner=false)
	Constructor. More...

	~DataSetAdapter ()
	Destructor. More...

te::common::TraverseType	getTraverseType () const
	It returns the traverse type associated to the dataset. More...

te::common::AccessPolicy	getAccessPolicy () const
	It returns the read and write permission associated to the dataset. More...

std::unique_ptr< te::gm::Envelope >	getExtent (std::size_t i)
	It computes the bounding rectangle for a spatial property of the dataset. More...

std::size_t	getNumProperties () const
	It returns the number of properties that composes an item of the dataset. More...

int	getPropertyDataType (std::size_t pos) const
	It returns the underlying data type of the property at position pos. More...

std::string	getPropertyName (std::size_t pos) const
	It returns the property name at position pos. More...

std::string	getDatasetNameOfProperty (std::size_t pos) const
	It returns the underlying dataset name of the property at position pos. More...

bool	isEmpty () const
	It returns true if the collection is empty. More...

bool	isConnected () const
	It returns true if the dataset is connected and false if it is disconnected. A dataset can be connected or disconnected. A connected dataset, after its creation through the data source transactor, continues to depend on the connection given by its associated data source. Differently, a disconnected dataset, after its creation, no more depends of the connection given by the data source, and it continues to live after the connection has been released to the data source. More...

std::size_t	size () const
	It returns the collection size, if it is known. More...

bool	moveNext ()
	It moves the internal pointer to the next item of the collection. More...

bool	movePrevious ()
	It moves the internal pointer to the previous item of the collection. More...

bool	moveBeforeFirst ()
	It moves the internal pointer to a position before the first item in the collection. More...

bool	moveFirst ()
	It moves the internal pointer to the first item in the collection. More...

bool	moveLast ()
	It sets the dataset internal pointer to the last item in the collection. More...

bool	move (std::size_t i)
	It moves the dataset internal pointer to a given position. More...

bool	isAtBegin () const
	It tells if the dataset internal pointer is on the first element of the collection or not. More...

bool	isBeforeBegin () const
	It tells if the dataset internal pointer is in a position before the first element of the collection or not. More...

bool	isAtEnd () const
	It tells if the dataset internal pointer is on the last element of the collection. More...

bool	isAfterEnd () const
	It tells if the dataset internal pointer is on the sentinel position after the last element of the collection or not. More...

bool	isPositionValid () const
	It tells if the dataset internal pointer is on a valid position. More...

char	getChar (std::size_t i) const
	Method for retrieving a signed character attribute value (1 byte long). More...

unsigned char	getUChar (std::size_t i) const
	Method for retrieving an unsigned character attribute value (1 byte long). More...

boost::int16_t	getInt16 (std::size_t i) const
	Method for retrieving a 16-bit integer attribute value (2 bytes long). More...

boost::int32_t	getInt32 (std::size_t i) const
	Method for retrieving a 32-bit integer attribute value (4 bytes long). More...

boost::int64_t	getInt64 (std::size_t i) const
	Method for retrieving a 64-bit integer attribute value (8 bytes long). More...

bool	getBool (std::size_t i) const
	Method for retrieving a boolean attribute value. More...

float	getFloat (std::size_t i) const
	Method for retrieving a float attribute value. More...

double	getDouble (std::size_t i) const
	Method for retrieving a double attribute value. More...

std::string	getNumeric (std::size_t i) const
	Method for retrieving a numeric attribute value. More...

std::string	getString (std::size_t i) const
	Method for retrieving a string value attribute. More...

std::unique_ptr< te::dt::ByteArray >	getByteArray (std::size_t i) const
	Method for retrieving a byte array. More...

std::unique_ptr< te::gm::Geometry >	getGeometry (std::size_t i) const
	Method for retrieving a geometric attribute value. More...

std::unique_ptr< te::rst::Raster >	getRaster (std::size_t i) const
	Method for retrieving a raster attribute value. More...

std::unique_ptr< te::dt::DateTime >	getDateTime (std::size_t i) const
	Method for retrieving a date and time attribute value. More...

std::unique_ptr< te::dt::Array >	getArray (std::size_t i) const
	Method for retrieving an array. More...

bool	isNull (std::size_t i) const
	It checks if the attribute value is NULL. More...

DataSet Adapter Extended Methods
Methods that exists only in the DataSet Adapter implementation.
te::da::DataSet *	getAdaptee () const
	This method returns the pointer to the DataSet that is handled by adapter. More...

void	add (const std::string &newPropertyName, int newPropertyType, const std::vector< std::size_t > &adaptedPropertyPos, AttributeConverter conv)

DataSet Element Properties
Methods for retrieving/setting the dataset item component values without the need to explicitly instantiate an item via getItem method.
virtual char	getChar (const std::string &name) const
	Method for retrieving a signed character attribute value (1 byte long). More...

virtual unsigned char	getUChar (const std::string &name) const
	Method for retrieving an unsigned character attribute value (1 byte long). More...

virtual boost::int16_t	getInt16 (const std::string &name) const
	Method for retrieving a 16-bit integer attribute value (2 bytes long). More...

virtual boost::int32_t	getInt32 (const std::string &name) const
	Method for retrieving a 32-bit integer attribute value (4 bytes long). More...

virtual boost::int64_t	getInt64 (const std::string &name) const
	Method for retrieving a 64-bit integer attribute value (8 bytes long). More...

virtual bool	getBool (const std::string &name) const
	Method for retrieving a boolean attribute value. More...

virtual float	getFloat (const std::string &name) const
	Method for retrieving a float attribute value. More...

virtual double	getDouble (const std::string &name) const
	Method for retrieving a double attribute value. More...

virtual std::string	getNumeric (const std::string &name) const
	Method for retrieving a numeric attribute value. More...

virtual std::string	getString (const std::string &name) const
	Method for retrieving a string attribute value. More...

virtual std::unique_ptr< te::dt::ByteArray >	getByteArray (const std::string &name) const
	Method for retrieving a byte array. More...

virtual std::unique_ptr< te::gm::Geometry >	getGeometry (const std::string &name) const
	Method for retrieving a geometric attribute value. More...

virtual std::unique_ptr< te::da::DataSetItem >	getItem () const
	Method for retrieving a dataset item containing all the values in the current row. More...

virtual std::unique_ptr< te::rst::Raster >	getRaster (const std::string &name) const
	Method for retrieving a raster attribute value. More...

virtual std::unique_ptr< te::dt::DateTime >	getDateTime (const std::string &name) const
	Method for retrieving a date and time attribute value. More...

virtual std::unique_ptr< te::dt::Array >	getArray (const std::string &name) const
	Method for retrieving an array. More...

virtual std::unique_ptr< te::dt::AbstractData >	getValue (std::size_t i) const
	Method for retrieving any other type of data value stored in the data source. More...

virtual std::unique_ptr< te::dt::AbstractData >	getValue (const std::string &name) const
	Method for retrieving any other type of data value stored in the data source. More...

virtual std::string	getAsString (std::size_t i, int precision=0) const
	Method for retrieving a data value as a string plain representation. More...

virtual std::string	getAsString (const std::string &name, int precision=0) const
	Method for retrieving a data value as a string plain representation. More...

virtual bool	isNull (const std::string &name) const
	It checks if the attribute value is NULL. More...

DataSet Adapter Internal Methods
DataSet Adapter Internal Methods implementation.
std::vector< int >	m_datatypes
	The datatype for each property. More...

std::vector< std::string >	m_pnames
	The name for each property. More...

te::common::Holder< DataSet >	m_ds
	A pointer to the DataSet that will be handled by adapter. More...

std::vector< std::vector< std::size_t > >	m_propertyIndexes
	A vector that stores the adapted property indexes. More...

std::vector< AttributeConverter >	m_converters
	A vector that stores the attribute converters functions. More...

te::dt::AbstractData *	getAdaptedValue (std::size_t i) const

Detailed Description

An adapter for DataSet.

See also: DataSet

Definition at line 52 of file DataSetAdapter.h.

Constructor & Destructor Documentation

◆ DataSetAdapter()

te::da::DataSetAdapter::DataSetAdapter	(	DataSet *	dataset,
		bool	isOwner = `false`
	)

Constructor.

Parameters

dataset	A pointer to the DataSet that will be handled by adapter.
isOwner	If true the DataSetAdapter will have the ownership of the given data set pointer.

Note: Here no automatic property adaptation will be made. i.e. The adapater is invalid.; The method "adapt" can be used to do manual adaptations.

◆ ~DataSetAdapter()

te::da::DataSetAdapter::~DataSetAdapter ( )

Destructor.

Member Function Documentation

◆ add()

void te::da::DataSetAdapter::add	(	const std::string &	newPropertyName,
		int	newPropertyType,
		const std::vector< std::size_t > &	adaptedPropertyPos,
		AttributeConverter	conv
	)

◆ getAccessPolicy()

te::common::AccessPolicy te::da::DataSetAdapter::getAccessPolicy ( ) const

virtual

It returns the read and write permission associated to the dataset.

Returns: The read and write permission associated to the dataset.

Implements te::da::DataSet.

◆ getAdaptedValue()

te::dt::AbstractData * te::da::DataSetAdapter::getAdaptedValue ( std::size_t i ) const

private

◆ getAdaptee()

te::da::DataSet * te::da::DataSetAdapter::getAdaptee ( ) const

This method returns the pointer to the DataSet that is handled by adapter.

Returns: The pointer to the DataSet that is handled by adapter.

Note: The caller will NOT take the ownership of the returned pointer.

◆ getArray() [1/2]

virtual std::unique_ptr< te::dt::Array > te::da::DataSet::getArray ( const std::string & name ) const

virtualinherited

Method for retrieving an array.

Parameters

name	The attribute name.

Returns: An array. The caller will take its ownership.

Reimplemented in te::gdal::DataSet.

◆ getArray() [2/2]

std::unique_ptr< te::dt::Array > te::da::DataSetAdapter::getArray ( std::size_t i ) const

virtual

Method for retrieving an array.

Parameters

i	The attribute index.

Implements te::da::DataSet.

◆ getAsString() [1/2]

virtual std::string te::da::DataSet::getAsString	(	const std::string &	name,
		int	precision = `0`
	)		const

virtualinherited

Method for retrieving a data value as a string plain representation.

Parameters

name	The attribute name.
precision	The precision in the conversion.

Returns: The attribute value in a string format.

Exceptions

Exception if property not found.

Note: It is safe to call this method for any data type, the data source implementation will take care of how to convert the internal representation to a string.

◆ getAsString() [2/2]

virtual std::string te::da::DataSet::getAsString	(	std::size_t	i,
		int	precision = `0`
	)		const

virtualinherited

Method for retrieving a data value as a string plain representation.

Parameters

i	The attribute index.
precision	The precision in the conversion.

Returns: The attribute value in a string format.

Note: It is safe to call this method for any data type, the data source implementation will take care of how to convert the internal representation to a string.

◆ getBool() [1/2]

virtual bool te::da::DataSet::getBool ( const std::string & name ) const

virtualinherited

Method for retrieving a boolean attribute value.

Parameters

name	The attribute name.

Returns: The boolean attribute value with the given name.

Reimplemented in te::gdal::DataSet.

◆ getBool() [2/2]

bool te::da::DataSetAdapter::getBool ( std::size_t i ) const

virtual

Method for retrieving a boolean attribute value.

Parameters

i	The attribute index.

Returns: The boolean attribute value in the given position.

Implements te::da::DataSet.

◆ getByteArray() [1/2]

virtual std::unique_ptr< te::dt::ByteArray > te::da::DataSet::getByteArray ( const std::string & name ) const

virtualinherited

Method for retrieving a byte array.

You can use this method in order to retrieve a BLOB data.

Parameters

name	The attribute name.

Returns: The byte array attribute.

Reimplemented in te::gdal::DataSet.

◆ getByteArray() [2/2]

std::unique_ptr< te::dt::ByteArray > te::da::DataSetAdapter::getByteArray ( std::size_t i ) const

virtual

Method for retrieving a byte array.

You can use this method in order to retrieve a BLOB data.

Parameters

i	The attribute index.

Returns: The byte array attribute.

Implements te::da::DataSet.

◆ getChar() [1/2]

virtual char te::da::DataSet::getChar ( const std::string & name ) const

virtualinherited

Method for retrieving a signed character attribute value (1 byte long).

Parameters

name	The attribute name.

Returns: The signed character attribute value (1 byte long) with the given name.

Reimplemented in te::gdal::DataSet.

◆ getChar() [2/2]

char te::da::DataSetAdapter::getChar ( std::size_t i ) const

virtual

Method for retrieving a signed character attribute value (1 byte long).

Parameters

i	The attribute index.

Returns: The signed character attribute value (1 byte long) in the given position.

Implements te::da::DataSet.

◆ getDatasetNameOfProperty()

std::string te::da::DataSetAdapter::getDatasetNameOfProperty ( std::size_t i ) const

virtual

It returns the underlying dataset name of the property at position pos.

Parameters

i	The property position of interest.

Returns: The underlying dataset name of the property at position pos.

Implements te::da::DataSet.

◆ getDateTime() [1/2]

virtual std::unique_ptr< te::dt::DateTime > te::da::DataSet::getDateTime ( const std::string & name ) const

virtualinherited

Method for retrieving a date and time attribute value.

Parameters

name	The attribute name.

Returns: The date and time attribute value with the given name.

Reimplemented in te::gdal::DataSet.

◆ getDateTime() [2/2]

std::unique_ptr< te::dt::DateTime > te::da::DataSetAdapter::getDateTime ( std::size_t i ) const

virtual

Method for retrieving a date and time attribute value.

Parameters

i	The attribute index.

Returns: The date and time attribute value in the given position.

Implements te::da::DataSet.

◆ getDouble() [1/2]

virtual double te::da::DataSet::getDouble ( const std::string & name ) const

virtualinherited

Method for retrieving a double attribute value.

Parameters

name	The attribute name.

Returns: The double attribute value with the given name.

Reimplemented in te::gdal::DataSet.

◆ getDouble() [2/2]

double te::da::DataSetAdapter::getDouble ( std::size_t i ) const

virtual

Method for retrieving a double attribute value.

Parameters

i	The attribute index.

Returns: The double attribute value in the given position.

Implements te::da::DataSet.

◆ getExtent()

std::unique_ptr< te::gm::Envelope > te::da::DataSetAdapter::getExtent ( std::size_t i )

virtual

It computes the bounding rectangle for a spatial property of the dataset.

Parameters

i	The position of a spatial property to get its bounding box.

Precondition: The position i must be associated to a spatial property of the dataset.

Exceptions

Exception It throws an exception if something goes wrong during MBR search.

Returns: The spatial property bounding rectangle, or an invalid box, if none is found.

Implements te::da::DataSet.

◆ getFloat() [1/2]

virtual float te::da::DataSet::getFloat ( const std::string & name ) const

virtualinherited

Method for retrieving a float attribute value.

Parameters

name	The attribute name.

Returns: The float attribute value with the given name.

Reimplemented in te::gdal::DataSet.

◆ getFloat() [2/2]

float te::da::DataSetAdapter::getFloat ( std::size_t i ) const

virtual

Method for retrieving a float attribute value.

Parameters

i	The attribute index.

Returns: The float attribute value in the given position.

Implements te::da::DataSet.

◆ getGeometry() [1/2]

virtual std::unique_ptr< te::gm::Geometry > te::da::DataSet::getGeometry ( const std::string & name ) const

virtualinherited

Method for retrieving a geometric attribute value.

Parameters

name	The attribute name.

Returns: The geometric attribute value with the given name.

Reimplemented in te::gdal::DataSet.

◆ getGeometry() [2/2]

std::unique_ptr< te::gm::Geometry > te::da::DataSetAdapter::getGeometry ( std::size_t i ) const

virtual

Method for retrieving a geometric attribute value.

Parameters

i	The attribute index.

Returns: The geometric attribute value in the given position.

Implements te::da::DataSet.

◆ getInt16() [1/2]

virtual boost::int16_t te::da::DataSet::getInt16 ( const std::string & name ) const

virtualinherited

Method for retrieving a 16-bit integer attribute value (2 bytes long).

Parameters

name	The attribute name.

Returns: The 16-bit integer attribute value (2 bytes long) with the given name.

Reimplemented in te::gdal::DataSet.

◆ getInt16() [2/2]

boost::int16_t te::da::DataSetAdapter::getInt16 ( std::size_t i ) const

virtual

Method for retrieving a 16-bit integer attribute value (2 bytes long).

Parameters

i	The attribute index.

Returns: The 16-bit integer attribute value (2 bytes long) in the given position.

Implements te::da::DataSet.

◆ getInt32() [1/2]

virtual boost::int32_t te::da::DataSet::getInt32 ( const std::string & name ) const

virtualinherited

Method for retrieving a 32-bit integer attribute value (4 bytes long).

Parameters

name	The attribute name.

Returns: The 32-bit integer attribute value with the given name.

Reimplemented in te::gdal::DataSet.

◆ getInt32() [2/2]

boost::int32_t te::da::DataSetAdapter::getInt32 ( std::size_t i ) const

virtual

Method for retrieving a 32-bit integer attribute value (4 bytes long).

Parameters

i	The attribute index.

Returns: The 32-bit integer attribute value in the given position.

Implements te::da::DataSet.

◆ getInt64() [1/2]

virtual boost::int64_t te::da::DataSet::getInt64 ( const std::string & name ) const

virtualinherited

Method for retrieving a 64-bit integer attribute value (8 bytes long).

Parameters

name	The attribute name.

Returns: The 64-bit integer attribute value with the given name.

Reimplemented in te::gdal::DataSet.

◆ getInt64() [2/2]

boost::int64_t te::da::DataSetAdapter::getInt64 ( std::size_t i ) const

virtual

Method for retrieving a 64-bit integer attribute value (8 bytes long).

Parameters

i	The attribute index.

Returns: The 64-bit integer attribute value in the given position.

Implements te::da::DataSet.

◆ getItem()

virtual std::unique_ptr< te::da::DataSetItem > te::da::DataSet::getItem ( ) const

virtualinherited

Method for retrieving a dataset item containing all the values in the current row.

Returns: The dataset item containing all the values of the current row

◆ getNumeric() [1/2]

virtual std::string te::da::DataSet::getNumeric ( const std::string & name ) const

virtualinherited

Method for retrieving a numeric attribute value.

Parameters

name	The attribute name.

Returns: The numeric attribute value with the given name.

Reimplemented in te::gdal::DataSet.

◆ getNumeric() [2/2]

std::string te::da::DataSetAdapter::getNumeric ( std::size_t i ) const

virtual

Method for retrieving a numeric attribute value.

Parameters

i	The attribute index.

Returns: The numeric attribute value in the given position.

Implements te::da::DataSet.

◆ getNumProperties()

std::size_t te::da::DataSetAdapter::getNumProperties ( ) const

virtual

It returns the number of properties that composes an item of the dataset.

Returns: The number of properties that composes an item of the dataset.

Implements te::da::DataSet.

◆ getPropertyDataType()

int te::da::DataSetAdapter::getPropertyDataType ( std::size_t i ) const

virtual

It returns the underlying data type of the property at position pos.

Parameters

i	The property position of interest.

Returns: The underlying data type of the property at position pos.

Implements te::da::DataSet.

◆ getPropertyName()

std::string te::da::DataSetAdapter::getPropertyName ( std::size_t i ) const

virtual

It returns the property name at position pos.

Parameters

i	The property name at the position of interest.

Returns: The property name at position pos.

Implements te::da::DataSet.

◆ getRaster() [1/2]

virtual std::unique_ptr< te::rst::Raster > te::da::DataSet::getRaster ( const std::string & name ) const

virtualinherited

Method for retrieving a raster attribute value.

Parameters

name	The attribute name.

Returns: The raster attribute value with the given name.

Exceptions

Exception

It can throw an exception if:

something goes wrong during the data retrieval
the maximum number of simultaneous accesses has been reached

Reimplemented in te::gdal::DataSet.

◆ getRaster() [2/2]

std::unique_ptr< te::rst::Raster > te::da::DataSetAdapter::getRaster ( std::size_t i ) const

virtual

Method for retrieving a raster attribute value.

Parameters

i	The attribute index.

Returns: The raster attribute value in the given position.

Exceptions

Exception

It can throw an exception if:

something goes wrong during the data retrieval
the maximum number of simultaneous accesses has been reached

Implements te::da::DataSet.

◆ getString() [1/2]

virtual std::string te::da::DataSet::getString ( const std::string & name ) const

virtualinherited

Method for retrieving a string attribute value.

Parameters

name	The attribute name.

Returns: The string attribute value with the given name.

Reimplemented in te::gdal::DataSet.

◆ getString() [2/2]

std::string te::da::DataSetAdapter::getString ( std::size_t i ) const

virtual

Method for retrieving a string value attribute.

Parameters

i	The attribute index.

Returns: The string attribute value in the given position.

Implements te::da::DataSet.

◆ getTraverseType()

te::common::TraverseType te::da::DataSetAdapter::getTraverseType ( ) const

virtual

It returns the traverse type associated to the dataset.

Returns: The traverse type associated to the dataset.

Implements te::da::DataSet.

◆ getUChar() [1/2]

virtual unsigned char te::da::DataSet::getUChar ( const std::string & name ) const

virtualinherited

Method for retrieving an unsigned character attribute value (1 byte long).

Parameters

name	The attribute name.

Returns: The unsigned character attribute value (1 byte long) with the given name.

Reimplemented in te::gdal::DataSet.

◆ getUChar() [2/2]

unsigned char te::da::DataSetAdapter::getUChar ( std::size_t i ) const

virtual

Method for retrieving an unsigned character attribute value (1 byte long).

Parameters

i	The attribute index.

Returns: The unsigned character attribute value (1 byte long) in the given position.

Implements te::da::DataSet.

◆ getValue() [1/2]

virtual std::unique_ptr< te::dt::AbstractData > te::da::DataSet::getValue ( const std::string & name ) const

virtualinherited

Method for retrieving any other type of data value stored in the data source.

This method can be use for extensible datatypes.

Parameters

name	The attribute name.

Returns: A pointer to the data value.

◆ getValue() [2/2]

virtual std::unique_ptr< te::dt::AbstractData > te::da::DataSet::getValue ( std::size_t i ) const

virtualinherited

Method for retrieving any other type of data value stored in the data source.

This method can be use for extensible datatypes.

Parameters

i	The attribute index.

Returns: A pointer to the data value.

Reimplemented in te::mem::DataSet, and te::stmem::DataSet.

◆ isAfterEnd()

bool te::da::DataSetAdapter::isAfterEnd ( ) const

virtual

It tells if the dataset internal pointer is on the sentinel position after the last element of the collection or not.

Returns: True, if the dataset internal pointer is on the sentinel position after the last element otherwise it returns false.

Implements te::da::DataSet.

◆ isAtBegin()

bool te::da::DataSetAdapter::isAtBegin ( ) const

virtual

It tells if the dataset internal pointer is on the first element of the collection or not.

Returns: True if the dataset internal pointer is on the first element otherwise it returns false.

Implements te::da::DataSet.

◆ isAtEnd()

bool te::da::DataSetAdapter::isAtEnd ( ) const

virtual

It tells if the dataset internal pointer is on the last element of the collection.

Returns: True, if the dataset internal pointer is on the last element otherwise it returns false.

Implements te::da::DataSet.

◆ isBeforeBegin()

bool te::da::DataSetAdapter::isBeforeBegin ( ) const

virtual

It tells if the dataset internal pointer is in a position before the first element of the collection or not.

Returns: True, if the dataset internal pointer is in a position before the first element otherwise it returns false.

Implements te::da::DataSet.

◆ isConnected()

bool te::da::DataSetAdapter::isConnected ( ) const

virtual

It returns true if the dataset is connected and false if it is disconnected. A dataset can be connected or disconnected. A connected dataset, after its creation through the data source transactor, continues to depend on the connection given by its associated data source. Differently, a disconnected dataset, after its creation, no more depends of the connection given by the data source, and it continues to live after the connection has been released to the data source.

Returns: True, if the dataset is connected, or false if it is disconnected.

Implements te::da::DataSet.

◆ isEmpty()

bool te::da::DataSetAdapter::isEmpty ( ) const

virtual

It returns true if the collection is empty.

Returns: True, if the collection is empty.

Implements te::da::DataSet.

◆ isNull() [1/2]

virtual bool te::da::DataSet::isNull ( const std::string & name ) const

virtualinherited

It checks if the attribute value is NULL.

Parameters

name	The attribute name.

Returns: True if the attribute value is NULL.

Reimplemented in te::gdal::DataSet.

◆ isNull() [2/2]

bool te::da::DataSetAdapter::isNull ( std::size_t i ) const

virtual

It checks if the attribute value is NULL.

Parameters

i	The attribute index.

Returns: True if the attribute value is NULL.

Implements te::da::DataSet.

◆ isPositionValid()

bool te::da::DataSetAdapter::isPositionValid ( ) const

virtual

It tells if the dataset internal pointer is on a valid position.

Returns: True, if the dataset internal pointer is on a valid position.

Implements te::da::DataSet.

◆ move()

bool te::da::DataSetAdapter::move ( std::size_t i )

virtual

It moves the dataset internal pointer to a given position.

Parameters

i	The position the dataset internal pointer must be set up.

Returns: True, if it was possible to move the dataset reading to the given position.

Note: The first item in the collection starts at address 0.

Implements te::da::DataSet.

◆ moveBeforeFirst()

bool te::da::DataSetAdapter::moveBeforeFirst ( )

virtual

It moves the internal pointer to a position before the first item in the collection.

Returns: True, if it was possible to move to a sentinel position before the first item in the collection.

Note: This method is not supported by FORWARDONLY datasets.

Implements te::da::DataSet.

◆ moveFirst()

bool te::da::DataSetAdapter::moveFirst ( )

virtual

It moves the internal pointer to the first item in the collection.

Returns: True, if it was possible to move to the first item in the collection.

Note: This method is not supported by FORWARDONLY datasets.

Implements te::da::DataSet.

◆ moveLast()

bool te::da::DataSetAdapter::moveLast ( )

virtual

It sets the dataset internal pointer to the last item in the collection.

Returns: True, if it was possible to move to the last item in the collection.

Implements te::da::DataSet.

◆ moveNext()

bool te::da::DataSetAdapter::moveNext ( )

virtual

It moves the internal pointer to the next item of the collection.

You always has to call this method in order to move the internal pointer to the first item in the collection. This method can be used to traverse a dataset.

Returns: True if the internal pointer is on a valid item, or false otherwise.

Note: All dataset types support this method: FORWARDONLY, BIDIRECTIONAL and RANDOM.

Implements te::da::DataSet.

◆ movePrevious()

bool te::da::DataSetAdapter::movePrevious ( )

virtual

It moves the internal pointer to the previous item of the collection.

Returns: True, if the internal pointer (cursor position) is on a valid item, or false otherwise.

Note: This method is not supported by FORWARDONLY datasets.

Implements te::da::DataSet.

◆ size()

std::size_t te::da::DataSetAdapter::size ( ) const

virtual

It returns the collection size, if it is known.

It may return std::string::npos if the size is not known, or it would be too costly to compute it.

Returns: The size of the collection, if it is known.

Implements te::da::DataSet.

Member Data Documentation

◆ m_converters

std::vector<AttributeConverter> te::da::DataSetAdapter::m_converters

private

A vector that stores the attribute converters functions.

Definition at line 188 of file DataSetAdapter.h.

◆ m_datatypes

std::vector<int> te::da::DataSetAdapter::m_datatypes

private

The datatype for each property.

Definition at line 184 of file DataSetAdapter.h.

◆ m_ds

te::common::Holder<DataSet> te::da::DataSetAdapter::m_ds

private

A pointer to the DataSet that will be handled by adapter.

Definition at line 186 of file DataSetAdapter.h.

◆ m_pnames

std::vector<std::string> te::da::DataSetAdapter::m_pnames

private

The name for each property.

Definition at line 185 of file DataSetAdapter.h.

◆ m_propertyIndexes

std::vector<std::vector<std::size_t> > te::da::DataSetAdapter::m_propertyIndexes

private

A vector that stores the adapted property indexes.

Definition at line 187 of file DataSetAdapter.h.

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

/home/castejon/castejon_files/develop/terralib5/git_release/src/terralib/dataaccess/dataset/DataSetAdapter.h

Public Member Functions

DataSet Adapter Internal Methods

Detailed Description

Constructor & Destructor Documentation

◆ DataSetAdapter()

◆ ~DataSetAdapter()

Member Function Documentation

◆ add()

◆ getAccessPolicy()

◆ getAdaptedValue()

◆ getAdaptee()

◆ getArray() [1/2]

◆ getArray() [2/2]

◆ getAsString() [1/2]

◆ getAsString() [2/2]

◆ getBool() [1/2]

◆ getBool() [2/2]

◆ getByteArray() [1/2]

◆ getByteArray() [2/2]

◆ getChar() [1/2]

◆ getChar() [2/2]

◆ getDatasetNameOfProperty()

◆ getDateTime() [1/2]

◆ getDateTime() [2/2]

◆ getDouble() [1/2]

◆ getDouble() [2/2]

◆ getExtent()

◆ getFloat() [1/2]

◆ getFloat() [2/2]

◆ getGeometry() [1/2]

◆ getGeometry() [2/2]

◆ getInt16() [1/2]

◆ getInt16() [2/2]

◆ getInt32() [1/2]

◆ getInt32() [2/2]

◆ getInt64() [1/2]

◆ getInt64() [2/2]

◆ getItem()

◆ getNumeric() [1/2]

◆ getNumeric() [2/2]

◆ getNumProperties()

◆ getPropertyDataType()

◆ getPropertyName()

◆ getRaster() [1/2]

◆ getRaster() [2/2]

◆ getString() [1/2]

◆ getString() [2/2]

◆ getTraverseType()

◆ getUChar() [1/2]

◆ getUChar() [2/2]

◆ getValue() [1/2]

◆ getValue() [2/2]

◆ isAfterEnd()

◆ isAtBegin()

◆ isAtEnd()

◆ isBeforeBegin()

◆ isConnected()

◆ isEmpty()

◆ isNull() [1/2]

◆ isNull() [2/2]

◆ isPositionValid()

◆ move()

◆ moveBeforeFirst()

◆ moveFirst()

◆ moveLast()

◆ moveNext()

◆ movePrevious()

◆ size()

Member Data Documentation

◆ m_converters

◆ m_datatypes

◆ m_ds

◆ m_pnames

◆ m_propertyIndexes