org.apache.lucene.util

Class FilterIterator<T>

java.lang.Object

org.apache.lucene.util.FilterIterator<T>

All Implemented Interfaces:

Iterator<T>

public abstract class FilterIterator<T>
extends Object
implements Iterator<T>

An Iterator implementation that filters elements with a boolean predicate.

See Also:

predicateFunction(T)

Constructor Summary

Constructors

Constructor and Description
FilterIterator(Iterator<T> baseIterator)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	hasNext()
T	next()
protected abstract boolean	predicateFunction(T object) returns true, if this element should be returned by next().
void	remove()

Methods inherited from class java.lang.Object

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

Constructor Detail

FilterIterator

public FilterIterator(Iterator<T> baseIterator)

Method Detail

predicateFunction

protected abstract boolean predicateFunction(T object)

returns true, if this element should be returned by next().

hasNext

public final boolean hasNext()

Specified by:

hasNext in interface Iterator<T>

next

public final T next()

Specified by:

next in interface Iterator<T>

remove

public final void remove()

Specified by:

remove in interface Iterator<T>