Java Doc for FilterIterator.java in  » RSS-RDF » Jena-2.5.5 » com » hp » hpl » jena » util » iterator » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » RSS RDF » Jena 2.5.5 » com.hp.hpl.jena.util.iterator   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    com.hp.hpl.jena.util.iterator.NiceIterator       com.hp.hpl.jena.util.iterator.WrappedIterator          com.hp.hpl.jena.util.iterator.FilterIterator All known Subclasses:   com.hp.hpl.jena.util.iterator.FilterKeepIterator,  com.hp.hpl.jena.util.iterator.FilterDropIterator, FilterIterator public class FilterIterator extends WrappedIterator (Code) Creates a sub-Iterator by filtering. This class should not be used directly any more; the subclasses FilterKeepIterator and FilterDropIterator should be used instead. author:    jjc, mods [clarity & speedup] by kers Field Summary protected  boolean canRemove      protected  Object current      final protected  Filter f      protected  boolean hasCurrent      Constructor Summary public   FilterIterator(Filter fl, Iterator e)      Initialises a FilterIterator with its filter and base. Method Summary protected  boolean accept(Object x)      Overridden in Drop/Keep as appropriate. public synchronized  boolean hasNext()      Answer true iff there is at least one more acceptable object. public synchronized  Object next()      Answer the next acceptable object from the base iterator. public synchronized  void remove()      Remove the current member from the underlying iterator. Field Detail canRemove protected boolean canRemove(Code) current protected Object current(Code) f final protected Filter f(Code) hasCurrent protected boolean hasCurrent(Code) Constructor Detail FilterIterator public FilterIterator(Filter fl, Iterator e)(Code) Initialises a FilterIterator with its filter and base. Parameters:   fl - An object is included if it is accepted by this Filter. Parameters:   e - The base Iterator. Method Detail accept protected boolean accept(Object x)(Code) Overridden in Drop/Keep as appropriate. Answer true if the object is to be kept in the output, false if it is to be dropped. hasNext public synchronized boolean hasNext()(Code) Answer true iff there is at least one more acceptable object. [Stores reference into current, sets canRemove false; answer preserved in `hasCurrent`] next public synchronized Object next()(Code) Answer the next acceptable object from the base iterator. The redundant test of `hasCurrent` appears to make a detectable speed difference. Crazy. remove public synchronized void remove()(Code) Remove the current member from the underlying iterator. Legal only after a .next() but before any subsequent .hasNext(), because that may advance the underlying iterator. Fields inherited from com.hp.hpl.jena.util.iterator.WrappedIterator final protected Iterator base(Code)(Java Doc) protected boolean removeDenied(Code)(Java Doc) Methods inherited from com.hp.hpl.jena.util.iterator.WrappedIterator public void close()(Code)(Java Doc) public static void close(Iterator it)(Code)(Java Doc) public static ExtendedIterator create(Iterator it)(Code)(Java Doc) public static WrappedIterator createNoRemove(Iterator it)(Code)(Java Doc) public Iterator forTestingOnly_getBase()(Code)(Java Doc) public boolean hasNext()(Code)(Java Doc) public Object next()(Code)(Java Doc) public void remove()(Code)(Java Doc) Methods inherited from com.hp.hpl.jena.util.iterator.NiceIterator public static ExtendedIterator andThen(Iterator a, Iterator b)(Code)(Java Doc) public ExtendedIterator andThen(ClosableIterator other)(Code)(Java Doc) public static List asList(ExtendedIterator it)(Code)(Java Doc) public static Set asSet(ExtendedIterator it)(Code)(Java Doc) public void close()(Code)(Java Doc) public static void close(Iterator it)(Code)(Java Doc) public static ExtendedIterator emptyIterator()(Code)(Java Doc) protected void ensureHasNext()(Code)(Java Doc) public ExtendedIterator filterDrop(Filter f)(Code)(Java Doc) public ExtendedIterator filterKeep(Filter f)(Code)(Java Doc) public boolean hasNext()(Code)(Java Doc) public ExtendedIterator mapWith(Map1 map1)(Code)(Java Doc) public Object next()(Code)(Java Doc) protected Object noElements(String message)(Code)(Java Doc) public void remove()(Code)(Java Doc) public Object removeNext()(Code)(Java Doc) public List toList()(Code)(Java Doc) public Set toSet()(Code)(Java Doc) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)