com.googlecode.javaewah

Interface LogicalElement<T>

Type Parameters:

T - the type of element (e.g., a bitmap class)

All Known Implementing Classes:

EWAHCompressedBitmap, EWAHCompressedBitmap32

public interface LogicalElement<T>

A prototypical model for bitmaps. Used by the class FastAggregation. Users should probably not be concerned by this class.

Author:

Daniel Lemire

Method Summary

Methods

Modifier and Type	Method and Description
T	and(T le) Compute the bitwise logical and
T	andNot(T le) Compute the bitwise logical and not
void	not() Compute the bitwise logical not (in place)
LogicalElement	or(T le)
int	sizeInBits() How many logical bits does this element represent?
int	sizeInBytes() Should report the storage requirement
T	xor(T le) Compute the bitwise logical Xor

Method Detail

and

T and(T le)

Compute the bitwise logical and

Parameters:

le - element

Returns:

the result of the operation

andNot

T andNot(T le)

Compute the bitwise logical and not

Parameters:

le - element

Returns:

the result of the operation

not

void not()

Compute the bitwise logical not (in place)

or

LogicalElement or(T le)

sizeInBits

int sizeInBits()

How many logical bits does this element represent?

Returns:

the number of bits represented by this element

sizeInBytes

int sizeInBytes()

Should report the storage requirement

Returns:

How many bytes

Since:

0.6.2

xor

T xor(T le)

Compute the bitwise logical Xor

Parameters:

le - element

Returns:

the results of the operation