JavaEWAH 1.2.3 · com.googlecode.javaewah32.FastAggregation32

Access	Constructor and Description
private	FastAggregation32() Private constructor to prevent instantiation

Method Summary

Modifier and Type	Method and Description
public static EWAHCompressedBitmap32	Returns: the or aggregate. bufferedand(final int buffer size used during the computation in 64-bit words (per input bitmap) bufSize, final EWAHCompressedBitmap32... the source bitmaps bitmaps) Compute the and aggregate using a temporary uncompressed bitmap.
public static void	bufferedandWithContainer(final BitmapStorage32 where the aggregate is written container, final int buffer size used during the computation in 64-bit words (per input bitmap) bufSize, final EWAHCompressedBitmap32... the source bitmaps bitmaps) Compute the and aggregate using a temporary uncompressed bitmap.
public static EWAHCompressedBitmap32	Returns: the or aggregate. bufferedor(final int buffer size used during the computation in 64-bit words bufSize, final EWAHCompressedBitmap32... the source bitmaps bitmaps) Compute the or aggregate using a temporary uncompressed bitmap.
public static void	bufferedorWithContainer(final BitmapStorage32 where the aggregate is written container, final int buffer size used during the computation in 64-bit words bufSize, final EWAHCompressedBitmap32... the source bitmaps bitmaps) Compute the or aggregate using a temporary uncompressed bitmap.
public static EWAHCompressedBitmap32	Returns: the xor aggregate. bufferedxor(final int buffer size used during the computation in 64-bit words bufSize, final EWAHCompressedBitmap32... the source bitmaps bitmaps) Compute the xor aggregate using a temporary uncompressed bitmap.
public static void	bufferedxorWithContainer(final BitmapStorage32 where the aggregate is written container, final int buffer size used during the computation in 64-bit words bufSize, final EWAHCompressedBitmap32... the source bitmaps bitmaps) Compute the xor aggregate using a temporary uncompressed bitmap.
public static EWAHCompressedBitmap32	Returns: new bitmap containing the aggregate or(final EWAHCompressedBitmap32... input bitmaps bitmaps) Simple algorithm that computes the OR aggregate.
public static EWAHCompressedBitmap32	Returns: new bitmap containing the aggregate or(final Iterator<EWAHCompressedBitmap32> input bitmaps bitmaps) Simple algorithm that computes the OR aggregate.
public static void	orToContainer(final BitmapStorage32 where we write the result container, final EWAHCompressedBitmap32... to be aggregated bitmaps) Uses a priority queue to compute the or aggregate.
public static EWAHCompressedBitmap32	Returns: new bitmap containing the aggregate xor(final EWAHCompressedBitmap32... input bitmaps bitmaps) Simple algorithm that computes the XOR aggregate.
public static EWAHCompressedBitmap32	Returns: new bitmap containing the aggregate xor(final Iterator<EWAHCompressedBitmap32> input bitmaps bitmaps) Simple algorithm that computes the XOR aggregate.
public static void	xorToContainer(final BitmapStorage32 where we write the result container, final EWAHCompressedBitmap32... to be aggregated bitmaps) Uses a priority queue to compute the xor aggregate.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

FastAggregation32	back to summary
private FastAggregation32() Private constructor to prevent instantiation

Method Detail

bufferedand	back to summary
public static EWAHCompressedBitmap32 bufferedand(final int bufSize, final EWAHCompressedBitmap32... bitmaps) Compute the and aggregate using a temporary uncompressed bitmap. This function does not seek to match the "sizeinbits" attributes of the input bitmaps. Parameters bufSize:int buffer size used during the computation in 64-bit words (per input bitmap) bitmaps:EWAHCompressedBitmap32[] the source bitmaps Returns:EWAHCompressedBitmap32 the or aggregate.

bufferedand

back to summary

public static EWAHCompressedBitmap32 bufferedand(final int bufSize, final EWAHCompressedBitmap32... bitmaps)

Compute the and aggregate using a temporary uncompressed bitmap. This function does not seek to match the "sizeinbits" attributes of the input bitmaps.

Parameters

bufSize:int: buffer size used during the computation in 64-bit words (per input bitmap)
bitmaps:EWAHCompressedBitmap32[]: the source bitmaps

Returns:EWAHCompressedBitmap32

the or aggregate.

bufferedandWithContainer	back to summary
public static void bufferedandWithContainer(final BitmapStorage32 container, final int bufSize, final EWAHCompressedBitmap32... bitmaps) Compute the and aggregate using a temporary uncompressed bitmap. This function does not seek to match the "sizeinbits" attributes of the input bitmaps. Parameters container:BitmapStorage32 where the aggregate is written bufSize:int buffer size used during the computation in 64-bit words (per input bitmap) bitmaps:EWAHCompressedBitmap32[] the source bitmaps

bufferedandWithContainer

back to summary

public static void bufferedandWithContainer(final BitmapStorage32 container, final int bufSize, final EWAHCompressedBitmap32... bitmaps)

Compute the and aggregate using a temporary uncompressed bitmap. This function does not seek to match the "sizeinbits" attributes of the input bitmaps.

Parameters

container:BitmapStorage32: where the aggregate is written
bufSize:int: buffer size used during the computation in 64-bit words (per input bitmap)
bitmaps:EWAHCompressedBitmap32[]: the source bitmaps

bufferedor	back to summary
public static EWAHCompressedBitmap32 bufferedor(final int bufSize, final EWAHCompressedBitmap32... bitmaps) Compute the or aggregate using a temporary uncompressed bitmap. Parameters bufSize:int buffer size used during the computation in 64-bit words bitmaps:EWAHCompressedBitmap32[] the source bitmaps Returns:EWAHCompressedBitmap32 the or aggregate.

bufferedor

back to summary

public static EWAHCompressedBitmap32 bufferedor(final int bufSize, final EWAHCompressedBitmap32... bitmaps)

Compute the or aggregate using a temporary uncompressed bitmap.

Parameters

bufSize:int: buffer size used during the computation in 64-bit words
bitmaps:EWAHCompressedBitmap32[]: the source bitmaps

Returns:EWAHCompressedBitmap32

the or aggregate.

bufferedorWithContainer	back to summary
public static void bufferedorWithContainer(final BitmapStorage32 container, final int bufSize, final EWAHCompressedBitmap32... bitmaps) Compute the or aggregate using a temporary uncompressed bitmap. Parameters container:BitmapStorage32 where the aggregate is written bufSize:int buffer size used during the computation in 64-bit words bitmaps:EWAHCompressedBitmap32[] the source bitmaps

bufferedorWithContainer

back to summary

public static void bufferedorWithContainer(final BitmapStorage32 container, final int bufSize, final EWAHCompressedBitmap32... bitmaps)

Compute the or aggregate using a temporary uncompressed bitmap.

Parameters

container:BitmapStorage32: where the aggregate is written
bufSize:int: buffer size used during the computation in 64-bit words
bitmaps:EWAHCompressedBitmap32[]: the source bitmaps

bufferedxor	back to summary
public static EWAHCompressedBitmap32 bufferedxor(final int bufSize, final EWAHCompressedBitmap32... bitmaps) Compute the xor aggregate using a temporary uncompressed bitmap. Parameters bufSize:int buffer size used during the computation in 64-bit words bitmaps:EWAHCompressedBitmap32[] the source bitmaps Returns:EWAHCompressedBitmap32 the xor aggregate.

bufferedxor

back to summary

public static EWAHCompressedBitmap32 bufferedxor(final int bufSize, final EWAHCompressedBitmap32... bitmaps)

Compute the xor aggregate using a temporary uncompressed bitmap.

Parameters

bufSize:int: buffer size used during the computation in 64-bit words
bitmaps:EWAHCompressedBitmap32[]: the source bitmaps

Returns:EWAHCompressedBitmap32

the xor aggregate.

bufferedxorWithContainer	back to summary
public static void bufferedxorWithContainer(final BitmapStorage32 container, final int bufSize, final EWAHCompressedBitmap32... bitmaps) Compute the xor aggregate using a temporary uncompressed bitmap. Parameters container:BitmapStorage32 where the aggregate is written bufSize:int buffer size used during the computation in 64-bit words bitmaps:EWAHCompressedBitmap32[] the source bitmaps

bufferedxorWithContainer

back to summary

public static void bufferedxorWithContainer(final BitmapStorage32 container, final int bufSize, final EWAHCompressedBitmap32... bitmaps)

Compute the xor aggregate using a temporary uncompressed bitmap.

Parameters

container:BitmapStorage32: where the aggregate is written
bufSize:int: buffer size used during the computation in 64-bit words
bitmaps:EWAHCompressedBitmap32[]: the source bitmaps

or	back to summary
public static EWAHCompressedBitmap32 or(final EWAHCompressedBitmap32... bitmaps) Simple algorithm that computes the OR aggregate. Parameters bitmaps:EWAHCompressedBitmap32[] input bitmaps Returns:EWAHCompressedBitmap32 new bitmap containing the aggregate

back to summary

public static EWAHCompressedBitmap32 or(final EWAHCompressedBitmap32... bitmaps)

Simple algorithm that computes the OR aggregate.

Parameters

bitmaps:EWAHCompressedBitmap32[]: input bitmaps

Returns:EWAHCompressedBitmap32

new bitmap containing the aggregate

or	back to summary
public static EWAHCompressedBitmap32 or(final Iterator<EWAHCompressedBitmap32> bitmaps) Simple algorithm that computes the OR aggregate. Parameters bitmaps:Iterator<EWAHCompressedBitmap32> input bitmaps Returns:EWAHCompressedBitmap32 new bitmap containing the aggregate

back to summary

public static EWAHCompressedBitmap32 or(final Iterator<EWAHCompressedBitmap32> bitmaps)

Simple algorithm that computes the OR aggregate.

Parameters

bitmaps:Iterator<EWAHCompressedBitmap32>: input bitmaps

Returns:EWAHCompressedBitmap32

new bitmap containing the aggregate

orToContainer	back to summary
public static void orToContainer(final BitmapStorage32 container, final EWAHCompressedBitmap32... bitmaps) Uses a priority queue to compute the or aggregate. The content of the container is overwritten. This algorithm runs in linearithmic time (O(n log n)) with respect to the number of bitmaps. Parameters container:BitmapStorage32 where we write the result bitmaps:EWAHCompressedBitmap32[] to be aggregated

orToContainer

back to summary

public static void orToContainer(final BitmapStorage32 container, final EWAHCompressedBitmap32... bitmaps)

Uses a priority queue to compute the or aggregate. The content of the container is overwritten. This algorithm runs in linearithmic time (O(n log n)) with respect to the number of bitmaps.

Parameters

container:BitmapStorage32: where we write the result
bitmaps:EWAHCompressedBitmap32[]: to be aggregated

xor	back to summary
public static EWAHCompressedBitmap32 xor(final EWAHCompressedBitmap32... bitmaps) Simple algorithm that computes the XOR aggregate. Parameters bitmaps:EWAHCompressedBitmap32[] input bitmaps Returns:EWAHCompressedBitmap32 new bitmap containing the aggregate

xor

back to summary

public static EWAHCompressedBitmap32 xor(final EWAHCompressedBitmap32... bitmaps)

Simple algorithm that computes the XOR aggregate.

Parameters

bitmaps:EWAHCompressedBitmap32[]: input bitmaps

Returns:EWAHCompressedBitmap32

new bitmap containing the aggregate

xor	back to summary
public static EWAHCompressedBitmap32 xor(final Iterator<EWAHCompressedBitmap32> bitmaps) Simple algorithm that computes the XOR aggregate. Parameters bitmaps:Iterator<EWAHCompressedBitmap32> input bitmaps Returns:EWAHCompressedBitmap32 new bitmap containing the aggregate

xor

back to summary

public static EWAHCompressedBitmap32 xor(final Iterator<EWAHCompressedBitmap32> bitmaps)

Simple algorithm that computes the XOR aggregate.

Parameters

bitmaps:Iterator<EWAHCompressedBitmap32>: input bitmaps

Returns:EWAHCompressedBitmap32

new bitmap containing the aggregate

xorToContainer	back to summary
public static void xorToContainer(final BitmapStorage32 container, final EWAHCompressedBitmap32... bitmaps) Uses a priority queue to compute the xor aggregate. The content of the container is overwritten. This algorithm runs in linearithmic time (O(n log n)) with respect to the number of bitmaps. Parameters container:BitmapStorage32 where we write the result bitmaps:EWAHCompressedBitmap32[] to be aggregated

xorToContainer

back to summary

public static void xorToContainer(final BitmapStorage32 container, final EWAHCompressedBitmap32... bitmaps)

Uses a priority queue to compute the xor aggregate. The content of the container is overwritten. This algorithm runs in linearithmic time (O(n log n)) with respect to the number of bitmaps.

Parameters

container:BitmapStorage32: where we write the result
bitmaps:EWAHCompressedBitmap32[]: to be aggregated

public final Class FastAggregation32

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