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java.lang.Objectcom.googlecode.javaewah32.FastAggregation32
public class FastAggregation32
Fast algorithms to aggregate many bitmaps. These algorithms are just given as reference. They may not be faster than the corresponding methods in the EWAHCompressedBitmap class.
| Constructor Summary | |
|---|---|
FastAggregation32()
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| Method Summary | |
|---|---|
static EWAHCompressedBitmap32 |
bufferedand(int bufsize,
EWAHCompressedBitmap32... bitmaps)
Compute the and aggregate using a temporary uncompressed bitmap. |
static void |
bufferedandWithContainer(BitmapStorage32 container,
int bufsize,
EWAHCompressedBitmap32... bitmaps)
Compute the and aggregate using a temporary uncompressed bitmap. |
static EWAHCompressedBitmap32 |
bufferedor(int bufsize,
EWAHCompressedBitmap32... bitmaps)
Compute the or aggregate using a temporary uncompressed bitmap. |
static void |
bufferedorWithContainer(BitmapStorage32 container,
int bufsize,
EWAHCompressedBitmap32... bitmaps)
Compute the or aggregate using a temporary uncompressed bitmap. |
static EWAHCompressedBitmap32 |
bufferedxor(int bufsize,
EWAHCompressedBitmap32... bitmaps)
Compute the xor aggregate using a temporary uncompressed bitmap. |
static void |
bufferedxorWithContainer(BitmapStorage32 container,
int bufsize,
EWAHCompressedBitmap32... bitmaps)
Compute the xor aggregate using a temporary uncompressed bitmap. |
static void |
legacy_orWithContainer(BitmapStorage32 container,
EWAHCompressedBitmap32... bitmaps)
Deprecated. use EWAHCompressedBitmap32.or instead |
static void |
orToContainer(BitmapStorage32 container,
EWAHCompressedBitmap32... bitmaps)
Uses a priority queue to compute the or aggregate. |
static void |
xorToContainer(BitmapStorage32 container,
EWAHCompressedBitmap32... bitmaps)
Uses a priority queue to compute the xor aggregate. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public FastAggregation32()
| Method Detail |
|---|
public static EWAHCompressedBitmap32 bufferedand(int bufsize,
EWAHCompressedBitmap32... bitmaps)
bitmaps - the source bitmapsbufsize - buffer size used during the computation in 64-bit words (per input bitmap)
public static void bufferedandWithContainer(BitmapStorage32 container,
int bufsize,
EWAHCompressedBitmap32... bitmaps)
container - where the aggregate is writtenbufsize - buffer size used during the computation in 64-bit words (per input bitmap)bitmaps - the source bitmaps
public static EWAHCompressedBitmap32 bufferedor(int bufsize,
EWAHCompressedBitmap32... bitmaps)
bitmaps - the source bitmapsbufsize - buffer size used during the computation in 64-bit words
public static void bufferedorWithContainer(BitmapStorage32 container,
int bufsize,
EWAHCompressedBitmap32... bitmaps)
container - where the aggregate is writtenbufsize - buffer size used during the computation in 64-bit wordsbitmaps - the source bitmaps
public static EWAHCompressedBitmap32 bufferedxor(int bufsize,
EWAHCompressedBitmap32... bitmaps)
bitmaps - the source bitmapsbufsize - buffer size used during the computation in 64-bit words
public static void bufferedxorWithContainer(BitmapStorage32 container,
int bufsize,
EWAHCompressedBitmap32... bitmaps)
container - where the aggregate is writtenbufsize - buffer size used during the computation in 64-bit wordsbitmaps - the source bitmaps
public static void orToContainer(BitmapStorage32 container,
EWAHCompressedBitmap32... bitmaps)
container - where we write the resultbitmaps - to be aggregated
public static void xorToContainer(BitmapStorage32 container,
EWAHCompressedBitmap32... bitmaps)
container - where we write the resultbitmaps - to be aggregated
@Deprecated
public static void legacy_orWithContainer(BitmapStorage32 container,
EWAHCompressedBitmap32... bitmaps)
container - where store the resultbitmaps - to be aggregated
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