com.orientechnologies.orient.core.cache

Class OAbstractMapCache<T extends Map<ORID,?>>

java.lang.Object

com.orientechnologies.orient.core.cache.OAbstractMapCache<T>

All Implemented Interfaces:

ORecordCache

Direct Known Subclasses:

ORecordCacheSoftRefs, ORecordCacheWeakRefs

public abstract class OAbstractMapCache<T extends Map<ORID,?>>
extends Object
implements ORecordCache

Author:

Artem Orobets (enisher-at-gmail.com)

Field Summary

Fields

Modifier and Type	Field and Description
protected T	cache

Constructor Summary

Constructors

Constructor and Description
OAbstractMapCache(T cache)

Method Summary

Modifier and Type	Method and Description
void	clear() Remove all records from cache
boolean	disable() Disable cache.
boolean	enable() Enable cache
boolean	isEnabled() Tell whether cache is enabled
Collection<ORID>	keys() Keys of all stored in cache records
void	shutdown() All operations running at cache destruction stage
int	size() Total number of stored records
void	startup() All operations running at cache initialization stage

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.orientechnologies.orient.core.cache.ORecordCache

clearRecords, get, put, remove

Field Detail

cache

protected T extends Map<ORID,?> cache

Constructor Detail

OAbstractMapCache

public OAbstractMapCache(T cache)

Method Detail

startup

public void startup()

Description copied from interface: ORecordCache

All operations running at cache initialization stage

Specified by:

startup in interface ORecordCache

shutdown

public void shutdown()

Description copied from interface: ORecordCache

All operations running at cache destruction stage

Specified by:

shutdown in interface ORecordCache

clear

public void clear()

Description copied from interface: ORecordCache

Remove all records from cache

Specified by:

clear in interface ORecordCache

size

public int size()

Description copied from interface: ORecordCache

Total number of stored records

Specified by:

size in interface ORecordCache

Returns:

non-negative number

isEnabled

public boolean isEnabled()

Description copied from interface: ORecordCache

Tell whether cache is enabled

Specified by:

isEnabled in interface ORecordCache

Returns:

true if cache enabled at call time, otherwise - false

disable

public boolean disable()

Description copied from interface: ORecordCache

Disable cache. None of record management methods will cause effect on cache in disabled state. Only cache info methods available at that state.

Specified by:

disable in interface ORecordCache

Returns:

true - if disabled, false - otherwise (already disabled)

enable

public boolean enable()

Description copied from interface: ORecordCache

Enable cache

Specified by:

enable in interface ORecordCache

Returns:

true - if enabled, false - otherwise (already enabled)

keys

public Collection<ORID> keys()

Description copied from interface: ORecordCache

Keys of all stored in cache records

Specified by:

keys in interface ORecordCache

Returns:

keys of records