public class DifferenceCursor<S> extends AbstractCursor<S>
Both cursors must return results in the same order. Ordering is preserved by the difference.
UnionCursor
,
IntersectionCursor
,
SymmetricDifferenceCursor
Constructor and Description |
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DifferenceCursor(Cursor<S> left,
Cursor<S> right,
java.util.Comparator<S> order) |
Modifier and Type | Method and Description |
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void |
close()
Call close to release any resources being held by this cursor.
|
boolean |
hasNext()
Returns true if this cursor has more elements.
|
S |
next()
Returns the next element from this cursor.
|
public void close() throws FetchException
Cursor
FetchException
public boolean hasNext() throws FetchException
Cursor
next
would return an element rather than throwing
an exception.FetchException
- if storage layer throws an exceptionpublic S next() throws FetchException
Cursor
FetchException
- if storage layer throws an exceptionCopyright © 2006-2013 Amazon Technologies, Inc.. All Rights Reserved.