C# Class BitsetsNET.BitsetContainer

Inheritance: Container

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Public Properties

Property	Type	Description
Bitmap	long[]
Cardinality	int

Protected Properties

Property	Type	Description
MAX_CAPACITY	int

Public Methods

Method	Description
Add ( ushort x ) : Container	Add a short to the container. May generate a new container.
Add ( ushort rangeStart, ushort rangeEnd ) : Container	Add to the current bitmap all integers in [rangeStart,rangeEnd).
And ( ArrayContainer x ) : Container	Computes the bitwise AND of this container with another (intersection). This container as well as the provided container are left unaffected.
And ( BitsetContainer x ) : Container	Computes the bitwise AND of this container with another (intersection). This container as well as the provided container are left unaffected.
AndNot ( ArrayContainer x ) : Container	Returns the elements of this BitsetContainer that are not in the ArrayContainer.
AndNot ( BitsetContainer x ) : Container	Returns the elements of this BitsetContainer that are not in the other BitsetContainer.
BitsetContainer ( ) : System
BitsetContainer ( int cardinality, long bitmap ) : System
Clone ( ) : Container	Creates a deep copy of this bitset container.
Contains ( ushort x ) : bool	Checks whether the container contains the provided value.
Deserialize ( BinaryReader reader, int cardinality ) : BitsetContainer	Deserialize a container from binary format, as written by the Serialize method minus the first 32 bits giving the cardinality.
Equals ( Object o ) : bool
FillArray ( ushort array ) : void	Fill the array with set bits.
FillLeastSignificant16bits ( int x, int i, int mask ) : void	Fill the least significant 16 bits of the integer array, starting at index i, with the short values from this container. The caller is responsible to allocate enough room. The most significant 16 bits of each integer are given by the most significant bits of the provided mask.
Flip ( ushort i ) : Container	Add a short to the container if it is not present, otherwise remove it. May generate a new container.
GetCardinality ( ) : int	Computes the distinct number of short values in the container. Can be expected to run in constant time.
GetEnumerator ( ) : IEnumerator
GetHashCode ( ) : int
IAdd ( ushort begin, ushort end ) : Container	Add all shorts in [begin,end) using an unsigned interpretation. May generate a new container.
IAnd ( ArrayContainer other ) : Container	Performs an "in-place" intersection with an ArrayContainer. Since no in-place operation is actually possible, this method defaults to calling ArrayContainer's and() method with this as input.
IAnd ( BitsetContainer other ) : Container	Performs an intersection with another BitsetContainer. Depending on the cardinality of the result, this will either modify the container in place or return a new ArrayContainer.
IAndNot ( ArrayContainer x ) : Container	Returns the elements of this BitsetContainer that are not in the ArrayContainer by modifying the current container in place.
IAndNot ( BitsetContainer x ) : Container	Returns the elements of this BitsetContainer that are not in the other BitsetContainer. Depending on the cardinality of the result, this will either modify the container in place or return a new ArrayContainer.
INot ( int rangeStart, int rangeEnd ) : Container	Computes the in-place bitwise NOT of this container (complement). Only those bits within the range are affected.The current container is generally modified.May generate a new container.
IOr ( ArrayContainer x ) : Container	Computes the in-place bitwise OR of this container with another (union). The current container is generally modified, whereas the provided container(x) is unaffected.May generate a new container.
IOr ( BitsetContainer x ) : Container	Computes the in-place bitwise OR of this container with another (union). The current container is generally modified, whereas the provided container(x) is unaffected.May generate a new container.
Intersects ( ArrayContainer x ) : bool	Returns true if the current container intersects the other container.
Intersects ( BitsetContainer x ) : bool	Returns true if the current container intersects the other container.
LoadData ( ArrayContainer arrayContainer ) : void
Or ( ArrayContainer x ) : Container	Computes the bitwise OR of this container with another (union). This container as well as the provided container are left unaffected.
Or ( BitsetContainer x ) : Container	Computes the bitwise OR of this container with another (union). This container as well as the provided container are left unaffected.
Remove ( ushort x ) : Container	Remove specified short from this container. May create a new container.
Remove ( ushort begin, ushort end ) : Container	Remove shorts in [begin,end) using an unsigned interpretation. May generate a new container.
Select ( int j ) : ushort	Return the jth value of the container.
Serialize ( BinaryWriter writer ) : void	Serialize this container in a binary format. The format of the serialization is the cardinality of this container as a 32-bit integer, followed by the bit array. The cardinality is used in deserialization to distinguish BitsetContainers from ArrayContainers.
ToArrayContainer ( ) : ArrayContainer	Copies the data to an array container

Protected Methods

Method	Description
ComputeCardinality ( ) : void	Recomputes the cardinality of the bitmap.

Method Details

Add() public method

Add a short to the container. May generate a new container.

public Add ( ushort x ) : Container
x	ushort	short to be added
return	Container

Add() public method

Add to the current bitmap all integers in [rangeStart,rangeEnd).

public Add ( ushort rangeStart, ushort rangeEnd ) : Container
rangeStart	ushort	inclusive beginning of range
rangeEnd	ushort	exclusive ending of range
return	Container

And() public method

Computes the bitwise AND of this container with another (intersection). This container as well as the provided container are left unaffected.

public And ( ArrayContainer x ) : Container
x	ArrayContainer	Other container
return	Container

And() public method

Computes the bitwise AND of this container with another (intersection). This container as well as the provided container are left unaffected.

public And ( BitsetContainer x ) : Container
x	BitsetContainer	Other container
return	Container

AndNot() public method

Returns the elements of this BitsetContainer that are not in the ArrayContainer.

public AndNot ( ArrayContainer x ) : Container
x	ArrayContainer	the ArrayContainer to compare against
return	Container

AndNot() public method

Returns the elements of this BitsetContainer that are not in the other BitsetContainer.

public AndNot ( BitsetContainer x ) : Container
x	BitsetContainer	the other BitsetContainer
return	Container

BitsetContainer() public method

public BitsetContainer ( ) : System
return	System

BitsetContainer() public method

public BitsetContainer ( int cardinality, long bitmap ) : System
cardinality	int
bitmap	long
return	System

Clone() public method

Creates a deep copy of this bitset container.

public Clone ( ) : Container
return	Container

ComputeCardinality() protected method

Recomputes the cardinality of the bitmap.

protected ComputeCardinality ( ) : void
return	void

Contains() public method

Checks whether the container contains the provided value.

public Contains ( ushort x ) : bool
x	ushort	Value to check
return	bool

Deserialize() public static method

Deserialize a container from binary format, as written by the Serialize method minus the first 32 bits giving the cardinality.

public static Deserialize ( BinaryReader reader, int cardinality ) : BitsetContainer
reader	System.IO.BinaryReader	The reader to deserialize from.
cardinality	int
return	BitsetContainer

Equals() public method

public Equals ( Object o ) : bool
o	Object
return	bool

FillArray() public method

Fill the array with set bits.

public FillArray ( ushort array ) : void
array	ushort	Container (should be sufficiently large)
return	void

FillLeastSignificant16bits() public method

Fill the least significant 16 bits of the integer array, starting at index i, with the short values from this container. The caller is responsible to allocate enough room. The most significant 16 bits of each integer are given by the most significant bits of the provided mask.

public FillLeastSignificant16bits ( int x, int i, int mask ) : void
x	int	Provided array
i	int	Starting index
mask	int	Indicates most significant bits
return	void

Flip() public method

Add a short to the container if it is not present, otherwise remove it. May generate a new container.

public Flip ( ushort i ) : Container
i	ushort	short to be added
return	Container

GetCardinality() public method

Computes the distinct number of short values in the container. Can be expected to run in constant time.

public GetCardinality ( ) : int
return	int

GetEnumerator() public method

public GetEnumerator ( ) : IEnumerator
return	IEnumerator

GetHashCode() public method

public GetHashCode ( ) : int
return	int

IAdd() public method

Add all shorts in [begin,end) using an unsigned interpretation. May generate a new container.

public IAdd ( ushort begin, ushort end ) : Container
begin	ushort	Start of range
end	ushort	End of range
return	Container

IAnd() public method

Performs an "in-place" intersection with an ArrayContainer. Since no in-place operation is actually possible, this method defaults to calling ArrayContainer's and() method with this as input.

public IAnd ( ArrayContainer other ) : Container
other	ArrayContainer	the ArrayContainer to intersect
return	Container

IAnd() public method

Performs an intersection with another BitsetContainer. Depending on the cardinality of the result, this will either modify the container in place or return a new ArrayContainer.

public IAnd ( BitsetContainer other ) : Container
other	BitsetContainer	the other BitsetContainer to intersect
return	Container

IAndNot() public method

Returns the elements of this BitsetContainer that are not in the ArrayContainer by modifying the current container in place.

public IAndNot ( ArrayContainer x ) : Container
x	ArrayContainer	the ArrayContainer to compare against
return	Container

IAndNot() public method

Returns the elements of this BitsetContainer that are not in the other BitsetContainer. Depending on the cardinality of the result, this will either modify the container in place or return a new ArrayContainer.

public IAndNot ( BitsetContainer x ) : Container
x	BitsetContainer	the other BitsetContainer
return	Container

INot() public method

Computes the in-place bitwise NOT of this container (complement). Only those bits within the range are affected.The current container is generally modified.May generate a new container.

public INot ( int rangeStart, int rangeEnd ) : Container
rangeStart	int	beginning of range (inclusive); 0 is beginning of this container.
rangeEnd	int	ending of range (exclusive)
return	Container

IOr() public method

Computes the in-place bitwise OR of this container with another (union). The current container is generally modified, whereas the provided container(x) is unaffected.May generate a new container.

public IOr ( ArrayContainer x ) : Container
x	ArrayContainer	Other container
return	Container

IOr() public method

Computes the in-place bitwise OR of this container with another (union). The current container is generally modified, whereas the provided container(x) is unaffected.May generate a new container.

public IOr ( BitsetContainer x ) : Container
x	BitsetContainer	Other container
return	Container

Intersects() public method

Returns true if the current container intersects the other container.

public Intersects ( ArrayContainer x ) : bool
x	ArrayContainer	Other container
return	bool

Intersects() public method

Returns true if the current container intersects the other container.

public Intersects ( BitsetContainer x ) : bool
x	BitsetContainer	Other container
return	bool

LoadData() public method

public LoadData ( ArrayContainer arrayContainer ) : void
arrayContainer	ArrayContainer
return	void

Or() public method

Computes the bitwise OR of this container with another (union). This container as well as the provided container are left unaffected.

public Or ( ArrayContainer x ) : Container
x	ArrayContainer	Other container
return	Container

Or() public method

Computes the bitwise OR of this container with another (union). This container as well as the provided container are left unaffected.

public Or ( BitsetContainer x ) : Container
x	BitsetContainer	Other container
return	Container

Remove() public method

Remove specified short from this container. May create a new container.

public Remove ( ushort x ) : Container
x	ushort	Short to be removed
return	Container

Remove() public method

Remove shorts in [begin,end) using an unsigned interpretation. May generate a new container.

public Remove ( ushort begin, ushort end ) : Container
begin	ushort	Start of range (inclusive)
end	ushort	End of range (exclusive)
return	Container

Select() public method

Return the jth value of the container.

public Select ( int j ) : ushort
j	int	Index of the value
return	ushort

Serialize() public method

Serialize this container in a binary format.

The format of the serialization is the cardinality of this container as a 32-bit integer, followed by the bit array. The cardinality is used in deserialization to distinguish BitsetContainers from ArrayContainers.

public Serialize ( BinaryWriter writer ) : void
writer	System.IO.BinaryWriter	The writer to which to serialize this container.
return	void

ToArrayContainer() public method

Copies the data to an array container

public ToArrayContainer ( ) : ArrayContainer
return	ArrayContainer

Property Details

Bitmap public_oe property

public long[] Bitmap
return	long[]

Cardinality public_oe property

public int Cardinality
return	int

MAX_CAPACITY protected_oe static_oe property

protected static int MAX_CAPACITY
return	int