Package com.orientechnologies.orient.core.storage.index.hashindex.local.v2

Class HashIndexBucketV2<K,V>

java.lang.Object

com.orientechnologies.orient.core.storage.impl.local.paginated.base.ODurablePage

com.orientechnologies.orient.core.storage.index.hashindex.local.v2.HashIndexBucketV2<K,V>

public final class HashIndexBucketV2<K,V>
extends ODurablePage

Since:

2/17/13

Author:

Andrey Lomakin (a.lomakin-at-orientdb.com)

Field Summary

Fields inherited from class com.orientechnologies.orient.core.storage.impl.local.paginated.base.ODurablePage

CRC32_OFFSET, MAGIC_NUMBER_OFFSET, MAX_PAGE_SIZE_BYTES, NEXT_FREE_POSITION, WAL_POSITION_OFFSET, WAL_SEGMENT_OFFSET

Constructor Summary

Constructors

Constructor	Description
HashIndexBucketV2(OCacheEntry cacheEntry)

Method Summary

Modifier and Type	Method	Description
boolean	addEntry(int index, long hashCode, byte[] key, byte[] value)
void	deleteEntry(int index, long hashCode, byte[] key, byte[] value)
OHashTable.Entry<K,V>	find(K key, long hashCode, OEncryption encryption, OBinarySerializer<K> keySerializer, OBinarySerializer<V> valueSerializer)
int	getContentSize()
int	getDepth()
OHashTable.Entry<K,V>	getEntry(int index, OEncryption encryption, OBinarySerializer<K> keySerializer, OBinarySerializer<V> valueSerializer)
int	getIndex(long hashCode, K key, OEncryption encryption, OBinarySerializer<K> keySerializer)
K	getKey(int index, OEncryption encryption, OBinarySerializer<K> keySerializer)
OHashTable.RawEntry	getRawEntry(int index, OEncryption encryption, OBinarySerializer<K> keySerializer, OBinarySerializer<V> valueSerializer)
byte[]	getRawValue(int index, int keySize, OBinarySerializer<V> valueSerializer)
V	getValue(int index, OEncryption encryption, OBinarySerializer<K> keySerializer, OBinarySerializer<V> valueSerializer)	Obtains the value stored under the given index in this bucket.
void	init(int depth)
Iterator<OHashTable.Entry<K,V>>	iterator(int index, OBinarySerializer<K> keySerializer, OBinarySerializer<V> valueSerializer, OEncryption encryption)
Iterator<OHashTable.RawEntry>	iterator(OBinarySerializer<K> keySerializer, OBinarySerializer<V> valueSerializer, OEncryption encryption)
void	setDepth(int depth)
int	size()
int	updateEntry(int index, byte[] value, byte[] oldValue, int keySize)

Methods inherited from class com.orientechnologies.orient.core.storage.impl.local.paginated.base.ODurablePage

deserializeFromDirectMemory, getBinaryValue, getByteValue, getCacheEntry, getChanges, getIntArray, getIntValue, getLogSequenceNumber, getLogSequenceNumberFromPage, getLongValue, getLSN, getObjectSizeInDirectMemory, getPageData, getPageIndex, getShortValue, moveData, restoreChanges, setBinaryValue, setByteValue, setIntArray, setIntValue, setLongValue, setLsn, setPageLSN, setShortValue, toString

Methods inherited from class java.lang.Object

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

Constructor Details

HashIndexBucketV2

public HashIndexBucketV2(OCacheEntry cacheEntry)

Method Details

init

public void init(int depth)

find

public OHashTable.Entry<K,V> find(K key,
 long hashCode,
 OEncryption encryption,
 OBinarySerializer<K> keySerializer,
 OBinarySerializer<V> valueSerializer)

getEntry

public OHashTable.Entry<K,V> getEntry(int index,
 OEncryption encryption,
 OBinarySerializer<K> keySerializer,
 OBinarySerializer<V> valueSerializer)

getRawEntry

public OHashTable.RawEntry getRawEntry(int index,
 OEncryption encryption,
 OBinarySerializer<K> keySerializer,
 OBinarySerializer<V> valueSerializer)

getRawValue

public byte[] getRawValue(int index,
 int keySize,
 OBinarySerializer<V> valueSerializer)

getValue

public V getValue(int index,
 OEncryption encryption,
 OBinarySerializer<K> keySerializer,
 OBinarySerializer<V> valueSerializer)

Obtains the value stored under the given index in this bucket.

Parameters:

index - the value index.

Returns:

the obtained value.

getKey

public K getKey(int index,
 OEncryption encryption,
 OBinarySerializer<K> keySerializer)

getIndex

public int getIndex(long hashCode,
 K key,
 OEncryption encryption,
 OBinarySerializer<K> keySerializer)

size

public int size()

iterator

public Iterator<OHashTable.RawEntry> iterator(OBinarySerializer<K> keySerializer,
 OBinarySerializer<V> valueSerializer,
 OEncryption encryption)

iterator

public Iterator<OHashTable.Entry<K,V>> iterator(int index,
 OBinarySerializer<K> keySerializer,
 OBinarySerializer<V> valueSerializer,
 OEncryption encryption)

getContentSize

public int getContentSize()

updateEntry

public int updateEntry(int index,
 byte[] value,
 byte[] oldValue,
 int keySize)

deleteEntry

public void deleteEntry(int index,
 long hashCode,
 byte[] key,
 byte[] value)

addEntry

public boolean addEntry(int index,
 long hashCode,
 byte[] key,
 byte[] value)

getDepth

public int getDepth()

setDepth

public void setDepth(int depth)