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java.lang.Objectcom.hp.hpl.jena.util.iterator.NiceIterator
com.hp.hpl.jena.util.iterator.WrappedIterator
public class WrappedIterator
a WrappedIterator is an ExtendedIterator wrapping around a plain (or
presented as plain) Iterator. The wrapping allows the usual extended
operations (filtering, concatenating) to be done on an Iterator derived
from some other source.
Method Summary | |
---|---|
void |
close()
close: defer to the base, iff it is closable |
static void |
close(java.util.Iterator it)
if it is a Closableiterator, close it. |
static ExtendedIterator |
create(java.util.Iterator it)
Answer an ExtendedIterator returning the elements of it . |
static WrappedIterator |
createNoRemove(java.util.Iterator it)
Answer an ExtendedIterator wrapped round it which does not
permit .remove() even if it does. |
java.util.Iterator |
forTestingOnly_getBase()
|
boolean |
hasNext()
hasNext: defer to the base iterator |
java.lang.Object |
next()
next: defer to the base iterator |
void |
remove()
if .remove() is allowed, delegate to the base iterator's .remove; otherwise, throw an UnsupportedOperationException. |
Methods inherited from class com.hp.hpl.jena.util.iterator.NiceIterator |
---|
andThen, andThen, emptyIterator, filterDrop, filterKeep, mapWith, removeNext |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
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public static ExtendedIterator create(java.util.Iterator it)
it
.
If it
is itself an ExtendedIterator, return that; otherwise
wrap it
.
public static WrappedIterator createNoRemove(java.util.Iterator it)
it
which does not
permit .remove()
even if it
does.
public java.util.Iterator forTestingOnly_getBase()
public boolean hasNext()
hasNext
in interface java.util.Iterator
hasNext
in class NiceIterator
public java.lang.Object next()
next
in interface java.util.Iterator
next
in class NiceIterator
public void remove()
remove
in interface java.util.Iterator
remove
in class NiceIterator
public void close()
close
in interface ClosableIterator
close
in class NiceIterator
public static void close(java.util.Iterator it)
it
is a Closableiterator, close it. Abstracts away from
tests [that were] scattered through the code.
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