Package org.apache.datasketches.filters.bloomfilter

Class DirectBitArrayR

java.lang.Object

org.apache.datasketches.filters.bloomfilter.DirectBitArrayR

public class DirectBitArrayR
extends Object

This class can maintain the BitArray object off-heap.

Field Summary

Fields

Modifier and Type	Field	Description
protected static long	DATA_OFFSET
protected int	dataLength_
protected static long	MAX_BITS
protected static long	NUM_BITS_OFFSET
protected long	numBitsSet_
protected org.apache.datasketches.memory.WritableMemory	wmem_

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	DirectBitArrayR(int dataLength, long storedNumBitsSet, org.apache.datasketches.memory.Memory mem)

Method Summary

Modifier and Type	Method	Description
protected long	getLong(int arrayIndex)
boolean	hasMemory()
boolean	isDirect()
protected boolean	isDirty()
boolean	isReadOnly()
protected static String	printLong(long val)
protected void	setLong(int arrayIndex, long value)
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

NUM_BITS_OFFSET

protected static final long NUM_BITS_OFFSET

See Also:

Constant Field Values

DATA_OFFSET

protected static final long DATA_OFFSET

See Also:

Constant Field Values

dataLength_

protected final int dataLength_

wmem_

protected final org.apache.datasketches.memory.WritableMemory wmem_

numBitsSet_

protected long numBitsSet_

MAX_BITS

protected static final long MAX_BITS

See Also:

Constant Field Values

Constructor Detail

DirectBitArrayR

protected DirectBitArrayR(int dataLength,
                          long storedNumBitsSet,
                          org.apache.datasketches.memory.Memory mem)

Method Detail

isDirty

protected boolean isDirty()

getLong

protected long getLong(int arrayIndex)

hasMemory

public boolean hasMemory()

isDirect

public boolean isDirect()

isReadOnly

public boolean isReadOnly()

setLong

protected void setLong(int arrayIndex,
                       long value)

toString

public String toString()

Overrides:

toString in class Object

printLong

protected static String printLong(long val)