Package com.orientechnologies.orient.core.storage.index.sbtreebonsai.global.btree

Class BTree

java.lang.Object

com.orientechnologies.common.concur.resource.OSharedResourceAbstract

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

com.orientechnologies.orient.core.storage.index.sbtreebonsai.global.btree.BTree

public final class BTree
extends ODurableComponent

Field Summary

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

atomicOperationsManager, readCache, storage, writeCache

Fields inherited from class com.orientechnologies.common.concur.resource.OSharedResourceAbstract

lock

Constructor Summary

Constructors

Constructor	Description
BTree(OAbstractPaginatedStorage storage, String name, String fileExtension)

Method Summary

Modifier and Type	Method	Description
void	create(OAtomicOperation atomicOperation)
void	delete(OAtomicOperation atomicOperation)
void	fetchNextCachePortionBackward(SpliteratorBackward iter)
void	fetchNextCachePortionForward(com.orientechnologies.orient.core.storage.index.sbtreebonsai.global.btree.SpliteratorForward iter)
EdgeKey	firstKey()
int	get(EdgeKey key)
long	getFileId()
Stream<ORawPair<EdgeKey,Integer>>	iterateEntriesBetween(EdgeKey keyFrom, boolean fromInclusive, EdgeKey keyTo, boolean toInclusive, boolean ascSortOrder)
Stream<ORawPair<EdgeKey,Integer>>	iterateEntriesMajor(EdgeKey key, boolean inclusive, boolean ascSortOrder)
Stream<ORawPair<EdgeKey,Integer>>	iterateEntriesMinor(EdgeKey key, boolean inclusive, boolean ascSortOrder)
EdgeKey	lastKey()
void	load()
boolean	put(OAtomicOperation atomicOperation, EdgeKey key, int value)
int	remove(OAtomicOperation atomicOperation, EdgeKey key)

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

addFile, addPage, calculateInsideComponentOperation, deleteFile, executeInsideComponentOperation, getExtension, getFilledUpTo, getFullName, getLockName, getName, isFileExists, loadOrAddPageForWrite, loadPageForRead, loadPageForWrite, openFile, releasePageFromRead, releasePageFromWrite, setName, truncateFile, tryExecuteInsideComponentOperation

Methods inherited from class com.orientechnologies.common.concur.resource.OSharedResourceAbstract

acquireExclusiveLock, acquireSharedLock, releaseExclusiveLock, releaseSharedLock

Methods inherited from class java.lang.Object

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

Constructor Details

BTree

public BTree(OAbstractPaginatedStorage storage,
 String name,
 String fileExtension)

Method Details

getFileId

public long getFileId()

create

public void create(OAtomicOperation atomicOperation)

load

public void load()

delete

public void delete(OAtomicOperation atomicOperation)

get

public int get(EdgeKey key)

put

public boolean put(OAtomicOperation atomicOperation,
 EdgeKey key,
 int value)

firstKey

public EdgeKey firstKey()

lastKey

public EdgeKey lastKey()

remove

public int remove(OAtomicOperation atomicOperation,
 EdgeKey key)

iterateEntriesMinor

public Stream<ORawPair<EdgeKey,Integer>> iterateEntriesMinor(EdgeKey key,
 boolean inclusive,
 boolean ascSortOrder)

iterateEntriesMajor

public Stream<ORawPair<EdgeKey,Integer>> iterateEntriesMajor(EdgeKey key,
 boolean inclusive,
 boolean ascSortOrder)

iterateEntriesBetween

public Stream<ORawPair<EdgeKey,Integer>> iterateEntriesBetween(EdgeKey keyFrom,
 boolean fromInclusive,
 EdgeKey keyTo,
 boolean toInclusive,
 boolean ascSortOrder)

fetchNextCachePortionForward

public void fetchNextCachePortionForward(com.orientechnologies.orient.core.storage.index.sbtreebonsai.global.btree.SpliteratorForward iter)

fetchNextCachePortionBackward

public void fetchNextCachePortionBackward(SpliteratorBackward iter)