Package org.geotools.data.shapefile.index.quadtree

Class LazySearchIterator

Object

LazySearchIterator

All Implemented Interfaces:

Closeable, AutoCloseable, Iterator<Data>, CloseableIterator<Data>

public class LazySearchIterator
extends Object
implements CloseableIterator<Data>

Iterator that search the quad tree depth first. 32000 indices are cached at a time and each time a node is visited the indices are removed from the node so that the memory footprint is kept small. Note that if other iterators operate on the same tree then they can interfere with each other.

Author:

Jesse

Constructor Summary

Constructors

Constructor	Description
LazySearchIterator(QuadTree tree, Envelope bounds)

Method Summary

Modifier and Type	Method	Description
void	close()
boolean	hasNext()
Data	next()
void	remove()

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface Iterator

forEachRemaining

Constructor Details

LazySearchIterator

public LazySearchIterator(QuadTree tree,
 Envelope bounds)

Method Details

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<Data>

next

public Data next()

Specified by:

next in interface Iterator<Data>

remove

public void remove()

Specified by:

remove in interface Iterator<Data>

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface CloseableIterator<Data>

Throws:

IOException - if an I/O error occurs