org.geotools.data.store
Class FilteringFeatureIterator<F extends Feature>

Object
  extended by FilteringFeatureIterator<F>
All Implemented Interfaces:
Closeable, FeatureIterator<F>
Direct Known Subclasses:
FilteringSimpleFeatureIterator

public class FilteringFeatureIterator<F extends Feature>
extends Object
implements FeatureIterator<F>

Decorates a FeatureIterator with one that filters content.

Author:
Justin Deoliveira, The Open Planning Project

Field Summary
protected  FeatureIterator<F> delegate
          delegate iterator
protected  Filter filter
          The Filter
protected  F next
          Next feature
 
Constructor Summary
FilteringFeatureIterator(FeatureIterator<F> delegate, Filter filter)
           
 
Method Summary
 void close()
          Closes this iterator and releases any system resources associated with it.
 boolean hasNext()
          Does another Feature exist in this Iteration.
 F next()
          Get the next Feature in this iteration.
 
Methods inherited from class Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

delegate

protected FeatureIterator<F extends Feature> delegate
delegate iterator


filter

protected Filter filter
The Filter


next

protected F extends Feature next
Next feature

Constructor Detail

FilteringFeatureIterator

public FilteringFeatureIterator(FeatureIterator<F> delegate,
                                Filter filter)
Method Detail

hasNext

public boolean hasNext()
Description copied from interface: FeatureIterator
Does another Feature exist in this Iteration.

Iterator defin: Returns true if the iteration has more elements. (In other words, returns true if next would return an element rather than throwing an exception.)

Specified by:
hasNext in interface FeatureIterator<F extends Feature>
Returns:
true if more Features exist, false otherwise.

next

public F next()
                       throws NoSuchElementException
Description copied from interface: FeatureIterator
Get the next Feature in this iteration.

Specified by:
next in interface FeatureIterator<F extends Feature>
Returns:
The next Feature
Throws:
NoSuchElementException - If no more Features exist.

close

public void close()
Description copied from interface: FeatureIterator
Closes this iterator and releases any system resources associated with it.

Specified by:
close in interface Closeable
Specified by:
close in interface FeatureIterator<F extends Feature>


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