com.orientechnologies.orient.core.cache

Class OLocalRecordCache

java.lang.Object

com.orientechnologies.orient.core.cache.OAbstractRecordCache

com.orientechnologies.orient.core.cache.OLocalRecordCache

public class OLocalRecordCache
extends OAbstractRecordCache

Local cache. it's one to one with record database instances. It is needed to avoid cases when several instances of the same record will be loaded by user from the same database.

Author:

Luca Garulli (l.garulli--(at)--orientdb.com)

Field Summary

Fields inherited from class com.orientechnologies.orient.core.cache.OAbstractRecordCache

excludedCluster, profilerMetadataPrefix, profilerPrefix, underlying

Constructor Summary

Constructors

Constructor and Description
OLocalRecordCache()

Method Summary

Modifier and Type	Method and Description
void	clear() Clear the entire cache by removing all the entries
void	deleteRecord(ORID rid) Removes record with specified identifier from both primary and secondary caches
ORecord	findRecord(ORID rid) Looks up for record in cache by it's identifier.
void	invalidate() Invalidates the cache emptying all the records.
void	shutdown() All operations running at cache destruction stage
void	startup() All operations running at cache initialization stage
String	toString()
void	updateRecord(ORecord record) Pushes record to cache.

Methods inherited from class com.orientechnologies.orient.core.cache.OAbstractRecordCache

freeCluster, freeRecord, getSize, isEnabled, setEnable

Methods inherited from class java.lang.Object

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

Constructor Detail

OLocalRecordCache

public OLocalRecordCache()

Method Detail

startup

public void startup()

Description copied from class: OAbstractRecordCache

All operations running at cache initialization stage

Overrides:

startup in class OAbstractRecordCache

updateRecord

public void updateRecord(ORecord record)

Pushes record to cache. Identifier of record used as access key

Parameters:

record - record that should be cached

findRecord

public ORecord findRecord(ORID rid)

Looks up for record in cache by it's identifier. Optionally look up in secondary cache and update primary with found record

Parameters:

rid - unique identifier of record

Returns:

record stored in cache if any, otherwise - null

deleteRecord

public void deleteRecord(ORID rid)

Removes record with specified identifier from both primary and secondary caches

Overrides:

deleteRecord in class OAbstractRecordCache

Parameters:

rid - unique identifier of record

shutdown

public void shutdown()

Description copied from class: OAbstractRecordCache

All operations running at cache destruction stage

Overrides:

shutdown in class OAbstractRecordCache

clear

public void clear()

Description copied from class: OAbstractRecordCache

Clear the entire cache by removing all the entries

Overrides:

clear in class OAbstractRecordCache

invalidate

public void invalidate()

Invalidates the cache emptying all the records.

toString

public String toString()

Overrides:

toString in class Object