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

Class BTreeBonsaiGlobal

java.lang.Object

com.orientechnologies.orient.core.storage.index.sbtreebonsai.global.BTreeBonsaiGlobal

All Implemented Interfaces:

OTreeInternal<OIdentifiable,Integer>, OSBTreeBonsai<OIdentifiable,Integer>

public class BTreeBonsaiGlobal
extends Object
implements OSBTreeBonsai<OIdentifiable,Integer>

Nested Class Summary

Nested classes/interfaces inherited from interface com.orientechnologies.orient.core.storage.index.sbtree.OTreeInternal

OTreeInternal.AccumulativeListener<K,V>, OTreeInternal.RangeResultListener<K,V>

Constructor Summary

Constructors

Constructor	Description
BTreeBonsaiGlobal(BTree bTree, int intFileId, long ridBagId, OBinarySerializer<OIdentifiable> keySerializer, OBinarySerializer<Integer> valueSerializer)

Method Summary

Modifier and Type	Method	Description
void	clear(OAtomicOperation atomicOperation)	Deletes all entries from tree.
void	delete(OAtomicOperation atomicOperation)	Deletes whole tree.
OIdentifiable	firstKey()
Integer	get(OIdentifiable key)	Search for entry with specific key and return its value.
OBonsaiCollectionPointer	getCollectionPointer()
long	getFileId()	Gets id of file where this bonsai tree is stored.
OBinarySerializer<OIdentifiable>	getKeySerializer()
int	getRealBagSize(Map<OIdentifiable,Change> changes)	Hardcoded method for Bag to avoid creation of extra layer.
OBonsaiBucketPointer	getRootBucketPointer()
Collection<Integer>	getValuesBetween(OIdentifiable keyFrom, boolean fromInclusive, OIdentifiable keyTo, boolean toInclusive, int maxValuesToFetch)
OBinarySerializer<Integer>	getValueSerializer()
Collection<Integer>	getValuesMajor(OIdentifiable key, boolean inclusive, int maxValuesToFetch)
Collection<Integer>	getValuesMinor(OIdentifiable key, boolean inclusive, int maxValuesToFetch)
boolean	isEmpty()
OIdentifiable	lastKey()
void	loadEntriesBetween(OIdentifiable keyFrom, boolean fromInclusive, OIdentifiable keyTo, boolean toInclusive, OTreeInternal.RangeResultListener<OIdentifiable,Integer> listener)
void	loadEntriesMajor(OIdentifiable key, boolean inclusive, boolean ascSortOrder, OTreeInternal.RangeResultListener<OIdentifiable,Integer> listener)
void	loadEntriesMinor(OIdentifiable key, boolean inclusive, OTreeInternal.RangeResultListener<OIdentifiable,Integer> listener)
boolean	put(OAtomicOperation atomicOperation, OIdentifiable key, Integer value)
Integer	remove(OAtomicOperation atomicOperation, OIdentifiable key)

Methods inherited from class java.lang.Object

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

Constructor Details

BTreeBonsaiGlobal

public BTreeBonsaiGlobal(BTree bTree,
 int intFileId,
 long ridBagId,
 OBinarySerializer<OIdentifiable> keySerializer,
 OBinarySerializer<Integer> valueSerializer)

Method Details

getCollectionPointer

public OBonsaiCollectionPointer getCollectionPointer()

Specified by:

getCollectionPointer in interface OSBTreeBonsai<OIdentifiable,Integer>

Returns:

pointer to a collection.

getFileId

public long getFileId()

Description copied from interface: OSBTreeBonsai

Gets id of file where this bonsai tree is stored.

Specified by:

getFileId in interface OSBTreeBonsai<OIdentifiable,Integer>

Returns:

id of file in OReadCache

getRootBucketPointer

public OBonsaiBucketPointer getRootBucketPointer()

Specified by:

getRootBucketPointer in interface OSBTreeBonsai<OIdentifiable,Integer>

Returns:

the pointer to the root bucket in tree.

get

public Integer get(OIdentifiable key)

Description copied from interface: OSBTreeBonsai

Search for entry with specific key and return its value.

Specified by:

get in interface OSBTreeBonsai<OIdentifiable,Integer>

Parameters:

key -

Returns:

value associated with given key, NULL if no value is associated.

put

public boolean put(OAtomicOperation atomicOperation,
 OIdentifiable key,
 Integer value)

Specified by:

put in interface OSBTreeBonsai<OIdentifiable,Integer>

clear

public void clear(OAtomicOperation atomicOperation)

Description copied from interface: OSBTreeBonsai

Deletes all entries from tree.

Specified by:

clear in interface OSBTreeBonsai<OIdentifiable,Integer>

Parameters:

atomicOperation -

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface OSBTreeBonsai<OIdentifiable,Integer>

Specified by:

isEmpty in interface OTreeInternal<OIdentifiable,Integer>

delete

public void delete(OAtomicOperation atomicOperation)

Description copied from interface: OSBTreeBonsai

Deletes whole tree. After this operation tree is no longer usable.

Specified by:

delete in interface OSBTreeBonsai<OIdentifiable,Integer>

Parameters:

atomicOperation -

remove

public Integer remove(OAtomicOperation atomicOperation,
 OIdentifiable key)

Specified by:

remove in interface OSBTreeBonsai<OIdentifiable,Integer>

Specified by:

remove in interface OTreeInternal<OIdentifiable,Integer>

getValuesMinor

public Collection<Integer> getValuesMinor(OIdentifiable key,
 boolean inclusive,
 int maxValuesToFetch)

Specified by:

getValuesMinor in interface OSBTreeBonsai<OIdentifiable,Integer>

loadEntriesMinor

public void loadEntriesMinor(OIdentifiable key,
 boolean inclusive,
 OTreeInternal.RangeResultListener<OIdentifiable,Integer> listener)

Specified by:

loadEntriesMinor in interface OSBTreeBonsai<OIdentifiable,Integer>

getValuesMajor

public Collection<Integer> getValuesMajor(OIdentifiable key,
 boolean inclusive,
 int maxValuesToFetch)

Specified by:

getValuesMajor in interface OSBTreeBonsai<OIdentifiable,Integer>

loadEntriesMajor

public void loadEntriesMajor(OIdentifiable key,
 boolean inclusive,
 boolean ascSortOrder,
 OTreeInternal.RangeResultListener<OIdentifiable,Integer> listener)

Specified by:

loadEntriesMajor in interface OSBTreeBonsai<OIdentifiable,Integer>

Specified by:

loadEntriesMajor in interface OTreeInternal<OIdentifiable,Integer>

getValuesBetween

public Collection<Integer> getValuesBetween(OIdentifiable keyFrom,
 boolean fromInclusive,
 OIdentifiable keyTo,
 boolean toInclusive,
 int maxValuesToFetch)

Specified by:

getValuesBetween in interface OSBTreeBonsai<OIdentifiable,Integer>

firstKey

public OIdentifiable firstKey()

Specified by:

firstKey in interface OSBTreeBonsai<OIdentifiable,Integer>

Specified by:

firstKey in interface OTreeInternal<OIdentifiable,Integer>

lastKey

public OIdentifiable lastKey()

Specified by:

lastKey in interface OSBTreeBonsai<OIdentifiable,Integer>

loadEntriesBetween

public void loadEntriesBetween(OIdentifiable keyFrom,
 boolean fromInclusive,
 OIdentifiable keyTo,
 boolean toInclusive,
 OTreeInternal.RangeResultListener<OIdentifiable,Integer> listener)

Specified by:

loadEntriesBetween in interface OSBTreeBonsai<OIdentifiable,Integer>

getRealBagSize

public int getRealBagSize(Map<OIdentifiable,Change> changes)

Description copied from interface: OSBTreeBonsai

Hardcoded method for Bag to avoid creation of extra layer.

Don't make any changes to tree.

Specified by:

getRealBagSize in interface OSBTreeBonsai<OIdentifiable,Integer>

Parameters:

changes - Bag changes

Returns:

real bag size

getKeySerializer

public OBinarySerializer<OIdentifiable> getKeySerializer()

Specified by:

getKeySerializer in interface OSBTreeBonsai<OIdentifiable,Integer>

getValueSerializer

public OBinarySerializer<Integer> getValueSerializer()

Specified by:

getValueSerializer in interface OSBTreeBonsai<OIdentifiable,Integer>