Module org.apache.jena.tdb

Package org.apache.jena.tdb1.index.ext

Class HashBucket

java.lang.Object

org.apache.jena.tdb1.base.page.PageBase

org.apache.jena.tdb1.base.recordbuffer.RecordBufferPageBase

org.apache.jena.tdb1.index.ext.HashBucket

All Implemented Interfaces:

org.apache.jena.atlas.io.Printable, Page

public final class HashBucket
extends RecordBufferPageBase

A HashBucket is a record buffer, with space store it's hash value and the bit length

Field Summary

Fields

Modifier and Type	Field	Description
static final int	BITLEN
static final int	FIELD_LENGTH
static final int	TRIE

Fields inherited from class org.apache.jena.tdb1.base.recordbuffer.RecordBufferPageBase

COUNT

Fields inherited from interface org.apache.jena.tdb1.base.page.Page

NO_ID

Constructor Summary

Constructors

Constructor	Description
HashBucket(int id, int hashValue, int bucketBitLen, Block block, RecordFactory factory, int count)	Create a bucket

Method Summary

Modifier and Type	Method	Description
void	_reset(Block block)
static HashBucket	createBlank(Block block, RecordFactory factory)
final Record	find(Record key)
final int	findIndex(Record key)
static HashBucket	format(Block block, RecordFactory factory)
final Record	get(int idx)
final int	getTrieBitLen()
final int	getTrieValue()
final boolean	isEmpty()
final boolean	isFull()
final boolean	put(Record record)
final boolean	removeByKey(Record key)
void	set(int x, Record record)
void	setTrieLength(int trieBitLen)
String	toString()

Methods inherited from class org.apache.jena.tdb1.base.recordbuffer.RecordBufferPageBase

calcBlockSize, calcRecordSize, getCount, getMaxSize, getRecordBuffer, output, setCount

Methods inherited from class org.apache.jena.tdb1.base.page.PageBase

getBackingBlock, getId, reset

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

TRIE

public static final int TRIE

See Also:

• Constant Field Values

BITLEN

public static final int BITLEN

See Also:

• Constant Field Values

FIELD_LENGTH

public static final int FIELD_LENGTH

See Also:

• Constant Field Values

Constructor Details

HashBucket

public HashBucket(int id,
 int hashValue,
 int bucketBitLen,
 Block block,
 RecordFactory factory,
 int count)

Create a bucket

Method Details

format

public static HashBucket format(Block block,
 RecordFactory factory)

createBlank

public static HashBucket createBlank(Block block,
 RecordFactory factory)

findIndex

public final int findIndex(Record key)

find

public final Record find(Record key)

put

public final boolean put(Record record)

set

public void set(int x,
 Record record)

removeByKey

public final boolean removeByKey(Record key)

_reset

public void _reset(Block block)

isFull

public final boolean isFull()

isEmpty

public final boolean isEmpty()

get

public final Record get(int idx)

getTrieValue

public final int getTrieValue()

getTrieBitLen

public final int getTrieBitLen()

setTrieLength

public void setTrieLength(int trieBitLen)

toString

public String toString()

Overrides:

toString in class RecordBufferPageBase