org.eclipse.higgins.idas.cp.rdf.util
Class SelectingIterator

java.lang.Object
  org.eclipse.higgins.idas.cp.rdf.util.ReadOnlyIterator
      org.eclipse.higgins.idas.cp.rdf.util.SelectingIterator

All Implemented Interfaces:

Iterator

Direct Known Subclasses:

NotNullIterator

public abstract class SelectingIterator

extends ReadOnlyIterator

An iterator that returns only elements of another iterator that satisfy a certain condition. In order for the hasNext() function to behave correctly, the iterator always looks ahead one element.

Author:

msabadello at parityinc dot net

Constructor Summary

SelectingIterator(Iterator iterator)

Method Summary

boolean	hasNext()
Object	next()
abstract boolean	select(Object item)

Methods inherited from class org.eclipse.higgins.idas.cp.rdf.util.ReadOnlyIterator

remove

Methods inherited from class java.lang.Object

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

Constructor Detail

SelectingIterator

public SelectingIterator(Iterator iterator)

Method Detail

hasNext

public boolean hasNext()

next

public Object next()

select

public abstract boolean select(Object item)