org.apache.cassandra.utils.obs
Class OffHeapBitSet

java.lang.Object
  org.apache.cassandra.utils.obs.OffHeapBitSet

All Implemented Interfaces:

java.io.Closeable, IBitSet

public class OffHeapBitSet
extends java.lang.Object
implements IBitSet

Off-heap bitset, file compatible with OpeBitSet

Constructor Summary

OffHeapBitSet(long numBits)

Method Summary

long	capacity()
void	clear()
void	clear(long index) clears the bit.
void	close()
static OffHeapBitSet	deserialize(java.io.DataInput dis)
boolean	equals(java.lang.Object o)
boolean	get(long index) Returns true or false for the specified bit index.
int	hashCode()
void	serialize(java.io.DataOutput dos)
long	serializedSize(TypeSizes type)
void	set(long index) Sets the bit at the specified index.
void	set(long offset, byte b)

Methods inherited from class java.lang.Object

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

Constructor Detail

OffHeapBitSet

public OffHeapBitSet(long numBits)

Method Detail

capacity

public long capacity()

Specified by:

capacity in interface IBitSet

get

public boolean get(long index)

Description copied from interface: IBitSet

Returns true or false for the specified bit index. The index should be less than the capacity.

Specified by:

get in interface IBitSet

set

public void set(long index)

Description copied from interface: IBitSet

Sets the bit at the specified index. The index should be less than the capacity.

Specified by:

set in interface IBitSet

set

public void set(long offset,
                byte b)

clear

public void clear(long index)

Description copied from interface: IBitSet

clears the bit. The index should be less than the capacity.

Specified by:

clear in interface IBitSet

clear

public void clear()

Specified by:

clear in interface IBitSet

serialize

public void serialize(java.io.DataOutput dos)
               throws java.io.IOException

Specified by:

serialize in interface IBitSet

Throws:

java.io.IOException

serializedSize

public long serializedSize(TypeSizes type)

Specified by:

serializedSize in interface IBitSet

deserialize

public static OffHeapBitSet deserialize(java.io.DataInput dis)
                                 throws java.io.IOException

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Throws:

java.io.IOException

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object