eu.etrap.medusa.hash

Class ArrayHashImpl

java.lang.Object

eu.etrap.medusa.config.ClassConfig

eu.etrap.medusa.hash.AbstractHash

eu.etrap.medusa.hash.ArrayHashImpl

All Implemented Interfaces:

Hash

public class ArrayHashImpl
extends AbstractHash

Author:

development

Field Summary

Fields

Modifier and Type	Field and Description
private byte[][]	aryHash
private int	intArrayEntries
private int[]	intKeyCoordinates
private int	intKeySize
private int	intResizeStep
private int	intValueSize
private Array2BucketIDConverter	objConverter
private Hash	objMergeHash

Fields inherited from class eu.etrap.medusa.hash.AbstractHash

aryData, BLOCK_SIZE, BLOCKS, HASH_FUNCTION_IMPL, intBucketEndPos, intBucketID, intBucketStartPos, intCounterSize, intCurrentBucketID, intDataSetsPerBucket, intSizeOfValue, objHashFunction, size

Fields inherited from class eu.etrap.medusa.config.ClassConfig

BOOLEAN_DEFAULT, DOUBLE_DEFAULT, FORMAT_IMPL, INT_DEFAULT, LONG_DEFAULT, objConf, objConfCategory, objFormat, strBackupConfFile, STRING_DEFAULT

Fields inherited from interface eu.etrap.medusa.hash.Hash

ADDED, EMPTY, EQUAL, NOT_EMPTY, NOT_EQUAL

Constructor Summary

Constructors

Constructor and Description
ArrayHashImpl() Creates a new instance of ArrayHashImpl

Method Summary

Modifier and Type	Method and Description
void	clean()
byte[]	export(java.io.OutputStream strmOut)
void	export(java.io.OutputStream strmOut, int intSegment)
void	free()
byte[][]	getArray()
int	increment(byte[] aryKeys)
void	init()
protected int	isEmpty(int intKoordWord1, int intKoordWord2)
MergeElement	mergeNextElement(MergeElement objMergeElement, int intBucketID)
void	resize()
void	setMergeHash(Hash objMergeHash)
long	size()

Methods inherited from class eu.etrap.medusa.hash.AbstractHash

add, calcBucketBitSize, calcCounterSize, calcHashValuesBitSize, capacity, capacity, checkBlocks, checkHashValue, checkHashValue, clean, getBlocks, getBlockSize, getBucketSize, getCounterSize, getData, getDataSetsPerBucket, getInt, getInt, getIntAsByteArray, getValue, getValueAsInt, incrementByteSequence, incrementByteSequence, isEmpty, loadHashFunction, put, putMerge, setSize

Methods inherited from class eu.etrap.medusa.config.ClassConfig

config, getConfiguration, getGlobalProperty, getProperty, getProperty, getStatisticsProperty, loadFormatImpl, selfconfig, setGlobalProperty, setProperty, setProperty, setStatisticsProperty, setStatisticsProperty

Methods inherited from class java.lang.Object

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

Field Detail

aryHash

private byte[][] aryHash

intArrayEntries

private int intArrayEntries

intResizeStep

private int intResizeStep

intKeySize

private int intKeySize

intValueSize

private int intValueSize

intKeyCoordinates

private int[] intKeyCoordinates

objConverter

private Array2BucketIDConverter objConverter

objMergeHash

private Hash objMergeHash

Constructor Detail

ArrayHashImpl

public ArrayHashImpl()

Creates a new instance of ArrayHashImpl

Method Detail

init

public void init()
          throws ConfigurationException

Specified by:

init in interface Hash

Overrides:

init in class AbstractHash

Throws:

ConfigurationException

clean

public void clean()

Specified by:

clean in interface Hash

Overrides:

clean in class AbstractHash

increment

public int increment(byte[] aryKeys)
              throws HashException,
                     FullHashException

Specified by:

increment in interface Hash

Overrides:

increment in class AbstractHash

Throws:

HashException

FullHashException

export

public byte[] export(java.io.OutputStream strmOut)
              throws java.io.IOException

Specified by:

export in interface Hash

Overrides:

export in class AbstractHash

Throws:

java.io.IOException

export

public void export(java.io.OutputStream strmOut,
                   int intSegment)
            throws java.io.IOException

Specified by:

export in interface Hash

Overrides:

export in class AbstractHash

Throws:

java.io.IOException

mergeNextElement

public MergeElement mergeNextElement(MergeElement objMergeElement,
                                     int intBucketID)

Specified by:

mergeNextElement in interface Hash

Overrides:

mergeNextElement in class AbstractHash

isEmpty

protected int isEmpty(int intKoordWord1,
                      int intKoordWord2)

Overrides:

isEmpty in class AbstractHash

free

public void free()

Specified by:

free in interface Hash

Overrides:

free in class AbstractHash

resize

public void resize()
            throws ConfigurationException

Specified by:

resize in interface Hash

Overrides:

resize in class AbstractHash

Throws:

ConfigurationException

setMergeHash

public void setMergeHash(Hash objMergeHash)

size

public long size()

Specified by:

size in interface Hash

Overrides:

size in class AbstractHash

getArray

public byte[][] getArray()