QgsFeatureIteratorDataStream Class Reference

Utility class for bulk loading of R-trees. More...

Inheritance diagram for QgsFeatureIteratorDataStream:

Public Member Functions
	QgsFeatureIteratorDataStream (const QgsFeatureIterator &fi, QgsFeedback *feedback=nullptr)
	constructor - needs to load all data to a vector for later access when bulk loading More...
	~QgsFeatureIteratorDataStream () override
IData *	getNext () override
	returns a pointer to the next entry in the stream or 0 at the end of the stream. More...
bool	hasNext () override
	returns true if there are more items in the stream. More...
void	rewind () override
	sets the stream pointer to the first entry, if possible. More...
uint32_t	size () override
	returns the total number of entries available in the stream. More...

Protected Member Functions
void	readNextEntry ()

Detailed Description

Utility class for bulk loading of R-trees.

Not a part of public API.

Note

not available in Python bindings

Definition at line 97 of file qgsspatialindex.cpp.

Constructor & Destructor Documentation

QgsFeatureIteratorDataStream()

QgsFeatureIteratorDataStream::QgsFeatureIteratorDataStream ( const QgsFeatureIterator &  fi, QgsFeedback *  feedback = nullptr  )

inlineexplicit

constructor - needs to load all data to a vector for later access when bulk loading

Definition at line 101 of file qgsspatialindex.cpp.

~QgsFeatureIteratorDataStream()

QgsFeatureIteratorDataStream::~QgsFeatureIteratorDataStream ( )

inlineoverride

Definition at line 108 of file qgsspatialindex.cpp.

Member Function Documentation

getNext()

IData* QgsFeatureIteratorDataStream::getNext ( )

inlineoverride

returns a pointer to the next entry in the stream or 0 at the end of the stream.

Definition at line 114 of file qgsspatialindex.cpp.

hasNext()

bool QgsFeatureIteratorDataStream::hasNext ( )

inlineoverride

returns true if there are more items in the stream.

Definition at line 126 of file qgsspatialindex.cpp.

readNextEntry()

void QgsFeatureIteratorDataStream::readNextEntry ( )

inlineprotected

Definition at line 135 of file qgsspatialindex.cpp.

rewind()

void QgsFeatureIteratorDataStream::rewind ( )

inlineoverride

sets the stream pointer to the first entry, if possible.

Definition at line 132 of file qgsspatialindex.cpp.

size()

uint32_t QgsFeatureIteratorDataStream::size ( )

inlineoverride

returns the total number of entries available in the stream.

Definition at line 129 of file qgsspatialindex.cpp.

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

• /tmp/buildd/qgis-3.2.0+99unstable/src/core/qgsspatialindex.cpp