Package org.roaringbitmap
Class ReverseIntIteratorFlyweight
- java.lang.Object
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- org.roaringbitmap.ReverseIntIteratorFlyweight
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- All Implemented Interfaces:
java.lang.Cloneable
,IntIterator
public class ReverseIntIteratorFlyweight extends java.lang.Object implements IntIterator
Fast iterator minimizing the stress on the garbage collector. You can create one reusable instance of this class and thenwrap(RoaringBitmap)
This iterator enumerates the stored values in reverse (starting from the end).
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Constructor Summary
Constructors Constructor Description ReverseIntIteratorFlyweight()
Creates an instance that is not ready for iteration.ReverseIntIteratorFlyweight(RoaringBitmap r)
Creates an instance that is ready for iteration.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description IntIterator
clone()
Creates a copy of the iterator.boolean
hasNext()
int
next()
void
wrap(RoaringBitmap r)
Prepares a bitmap for iteration
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Constructor Detail
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ReverseIntIteratorFlyweight
public ReverseIntIteratorFlyweight()
Creates an instance that is not ready for iteration. You must first callwrap(RoaringBitmap)
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ReverseIntIteratorFlyweight
public ReverseIntIteratorFlyweight(RoaringBitmap r)
Creates an instance that is ready for iteration.- Parameters:
r
- bitmap to be iterated over
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Method Detail
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clone
public IntIterator clone()
Description copied from interface:IntIterator
Creates a copy of the iterator.- Specified by:
clone
in interfaceIntIterator
- Overrides:
clone
in classjava.lang.Object
- Returns:
- a clone of the current iterator
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hasNext
public boolean hasNext()
- Specified by:
hasNext
in interfaceIntIterator
- Returns:
- whether there is another value
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next
public int next()
- Specified by:
next
in interfaceIntIterator
- Returns:
- next integer value
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wrap
public void wrap(RoaringBitmap r)
Prepares a bitmap for iteration- Parameters:
r
- bitmap to be iterated over
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