com.orientechnologies.orient.core.storage.index.sbtree.local

Class OPrefixBTreeBucket<V>

java.lang.Object

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

com.orientechnologies.orient.core.storage.index.sbtree.local.OPrefixBTreeBucket<V>

public class OPrefixBTreeBucket<V>
extends ODurablePage

Since:

8/7/13

Author:

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

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	OPrefixBTreeBucket.SBTreeEntry<V>

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 and Description
OPrefixBTreeBucket(OCacheEntry cacheEntry, OBinarySerializer<String> keySerializer, OBinarySerializer<V> valueSerializer, OEncryption encryption)

Method Summary

Modifier and Type	Method and Description
boolean	addEntry(int index, OPrefixBTreeBucket.SBTreeEntry<V> treeEntry, boolean updateNeighbors)
int	find(String key)
String	getBucketPrefix()
OPrefixBTreeBucket.SBTreeEntry<V>	getEntry(int entryIndex)
int	getLeft(int entryIndex)
int	getRight(int entryIndex)
OSBTreeValue<V>	getValue(int entryIndex) Obtains the value stored under the given entry index in this bucket.
boolean	isEmpty()
boolean	isLeaf()
void	remove(int entryIndex)
int	size()

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

deserializeFromDirectMemory, getBinaryValue, getByteValue, getChanges, getIntValue, getLogSequenceNumber, getLogSequenceNumberFromPage, getLongValue, getObjectSizeInDirectMemory, getPageData, moveData, restoreChanges, setBinaryValue, setByteValue, setIntValue, setLongValue, setLsn, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

OPrefixBTreeBucket

public OPrefixBTreeBucket(OCacheEntry cacheEntry,
                          OBinarySerializer<String> keySerializer,
                          OBinarySerializer<V> valueSerializer,
                          OEncryption encryption)

Method Detail

isEmpty

public boolean isEmpty()

getBucketPrefix

public String getBucketPrefix()

find

public int find(String key)

remove

public void remove(int entryIndex)

size

public int size()

getEntry

public OPrefixBTreeBucket.SBTreeEntry<V> getEntry(int entryIndex)

getLeft

public int getLeft(int entryIndex)

getRight

public int getRight(int entryIndex)

getValue

public OSBTreeValue<V> getValue(int entryIndex)

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

Parameters:

entryIndex - the value entry index.

Returns:

the obtained value.

isLeaf

public boolean isLeaf()

addEntry

public boolean addEntry(int index,
                        OPrefixBTreeBucket.SBTreeEntry<V> treeEntry,
                        boolean updateNeighbors)