javaewah
Class IteratingBufferedRunningLengthWord

java.lang.Object
  javaewah.IteratingBufferedRunningLengthWord

public class IteratingBufferedRunningLengthWord
extends Object

Mostly for internal use. Similar to BufferedRunningLengthWord, but automatically advances to the next BufferedRunningLengthWord as words are discarded.

Since:

0.4.0

Author:

David McIntosh

Constructor Summary

IteratingBufferedRunningLengthWord(EWAHIterator iterator)
Instantiates a new iterating buffered running length word.

Method Summary

void	discardFirstWords(long x) Discard first words, iterating to the next running length word if needed.
void	discharge(BitmapStorage container) Write out the remaining words
long	getDirtyWordAt(int index) Get the nth dirty word for the current running length word
int	getNumberOfLiteralWords() Gets the number of literal words for the current running length word.
boolean	getRunningBit() Gets the running bit.
long	getRunningLength() Gets the running length.
long	size() Size in uncompressed words of the current running length word.
void	writeDirtyWords(int numWords, BitmapStorage container) write the first N dirty words to the target bitmap.

Methods inherited from class java.lang.Object

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

Constructor Detail

IteratingBufferedRunningLengthWord

public IteratingBufferedRunningLengthWord(EWAHIterator iterator)

Instantiates a new iterating buffered running length word.

Parameters:

iterator - iterator

Method Detail

getNumberOfLiteralWords

public int getNumberOfLiteralWords()

Gets the number of literal words for the current running length word.

Returns:

the number of literal words

getRunningBit

public boolean getRunningBit()

Gets the running bit.

Returns:

the running bit

getRunningLength

public long getRunningLength()

Gets the running length.

Returns:

the running length

size

public long size()

Size in uncompressed words of the current running length word.

Returns:

the long

getDirtyWordAt

public long getDirtyWordAt(int index)

Get the nth dirty word for the current running length word

Parameters:

index - zero based index

Returns:

the dirty word

writeDirtyWords

public void writeDirtyWords(int numWords,
                            BitmapStorage container)

write the first N dirty words to the target bitmap. Does not discard the words or perform iteration.

Parameters:

numWords -

container -

discardFirstWords

public void discardFirstWords(long x)

Discard first words, iterating to the next running length word if needed.

Parameters:

x - the x

discharge

public void discharge(BitmapStorage container)

Write out the remaining words

Parameters:

container - target for writes