org.apache.sysml.runtime.compress

Class BitmapDecoderRLE

java.lang.Object

org.apache.sysml.runtime.compress.BitmapDecoderRLE

All Implemented Interfaces:

Iterator<Integer>

public final class BitmapDecoderRLE
extends Object
implements Iterator<Integer>

General-purpose iterator to decode a compressed OLE bitmap.

Constructor Summary

Constructors

Constructor and Description
BitmapDecoderRLE(char[] bmPtr, int off, int len) Point this object at the beginning of a particular bitmap.

Method Summary

Modifier and Type	Method and Description
boolean	hasNext()
Integer	next()
void	remove()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Detail

BitmapDecoderRLE

public BitmapDecoderRLE(char[] bmPtr,
                        int off,
                        int len)

Point this object at the beginning of a particular bitmap. After a call to this method, the next call to next() will return the offset of the first bit in the specified bitmap.

Parameters:

bmPtr - pointer to a compressed bitmap

off - offset

len - length

Method Detail

next

public Integer next()

Specified by:

next in interface Iterator<Integer>

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<Integer>

remove

public void remove()

Specified by:

remove in interface Iterator<Integer>