xxl.cursors
Class Filter

java.lang.Object
  |
  +--xxl.cursors.DecoratorCursor
        |
        +--xxl.cursors.Filter

public class Filter

extends DecoratorCursor

This class is used to wrap a Cursor, Iterator or PeekIterator. Only those elements for which a specified Function returns Boolean.TRUE are returned by next().

Field Summary

protected Function

function The Function used to evaluate an object.

Fields inherited from class xxl.cursors.DecoratorCursor

cursor

Constructor Summary

Filter(java.util.Iterator iterator, Function function)

Method Summary

boolean

hasNext() Returns true if the iteration has more elements.

Methods inherited from class xxl.cursors.DecoratorCursor

close, next, peek, remove, reset, supportsPeek, update

Methods inherited from class java.lang.Object

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

Field Detail

function

protected Function function

The Function used to evaluate an object.

Constructor Detail

Filter

public Filter(java.util.Iterator iterator,
              Function function)

Method Detail

hasNext

public boolean hasNext()

Returns true if the iteration has more elements.

Returns:

true if the iterator has more elements.

Overrides:

hasNext in class DecoratorCursor