Package it.unimi.dsi.big.webgraph

Class EFGraph.Accumulator

java.lang.Object

it.unimi.dsi.big.webgraph.EFGraph.Accumulator

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

Enclosing class:

EFGraph

protected static final class EFGraph.Accumulator
extends java.lang.Object
implements java.io.Closeable

Field Summary

Fields

Modifier and Type	Field	Description
long	bitsForLowerBits	The number of bits used for the lower-bits array.
long	bitsForPointers	The number of bits used for forward/skip pointers.
long	bitsForUpperBits	The number of bits used for the upper-bits array.

Constructor Summary

Constructors

Constructor	Description
Accumulator(int bufferSize, int log2Quantum)

Method Summary

Modifier and Type	Method	Description
void	add(long x)
void	close()
long	dump(EFGraph.LongWordOutputBitStream lwobs)
void	init(long length, long upperBound, boolean strict, boolean indexZeroes, int log2Quantum)
int	lowerBits()
long	numberOfPointers()
int	pointerSize()

Methods inherited from class java.lang.Object

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

Field Detail

bitsForUpperBits

public long bitsForUpperBits

The number of bits used for the upper-bits array.

bitsForLowerBits

public long bitsForLowerBits

The number of bits used for the lower-bits array.

bitsForPointers

public long bitsForPointers

The number of bits used for forward/skip pointers.

Constructor Detail

Accumulator

public Accumulator(int bufferSize,
                   int log2Quantum)
            throws java.io.IOException

Throws:

java.io.IOException

Method Detail

lowerBits

public int lowerBits()

pointerSize

public int pointerSize()

numberOfPointers

public long numberOfPointers()

init

public void init(long length,
                 long upperBound,
                 boolean strict,
                 boolean indexZeroes,
                 int log2Quantum)

add

public void add(long x)
         throws java.io.IOException

Throws:

java.io.IOException

dump

public long dump(EFGraph.LongWordOutputBitStream lwobs)
          throws java.io.IOException

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.io.Closeable

Throws:

java.io.IOException