net.dontdrinkandroot.cache.metadata.impl

Class BlockMetaData

java.lang.Object

net.dontdrinkandroot.cache.metadata.impl.BlockMetaData

All Implemented Interfaces:

Serializable, MetaData

public class BlockMetaData
extends Object
implements MetaData

Author:

Philip W. Sorst

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
BlockMetaData(IndexData indexData, SimpleMetaData metaData)
BlockMetaData(SimpleMetaData metaData)

Method Summary

Methods

Modifier and Type	Method and Description
void	decay() Decreases the hitcount for use with LRU based expunge strategies.
long	getCreated() Get the timestamp when the entry was created.
long	getExpiry() Get the timestamp when the entry expires.
int	getHitCount() Get the number of hits.
IndexData	getIndexData()
long	getLastAccess() Get the timestamp when the entry was last accessed.
long	getMaxIdleTime() Get the maximum time that the entry may idle (not being accessed) before being evicted (in milliseconds).
SimpleMetaData	getMetaData()
long	getTimeToLive() Gets the time to live of this entry (in milliseconds).
boolean	isExpired() Check if the entry is expired.
boolean	isStale() Check if the entry has not been accessed within the idle period.
void	setIndexData(IndexData indexData)
String	toString()
void	update() Update the entry after a cache hit.

Methods inherited from class java.lang.Object

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

Constructor Detail

BlockMetaData

public BlockMetaData(IndexData indexData,
             SimpleMetaData metaData)

BlockMetaData

public BlockMetaData(SimpleMetaData metaData)

Method Detail

isExpired

public boolean isExpired()

Description copied from interface: MetaData

Check if the entry is expired.

Specified by:

isExpired in interface MetaData

isStale

public boolean isStale()

Description copied from interface: MetaData

Check if the entry has not been accessed within the idle period.

Specified by:

isStale in interface MetaData

getExpiry

public long getExpiry()

Description copied from interface: MetaData

Get the timestamp when the entry expires.

Specified by:

getExpiry in interface MetaData

getMaxIdleTime

public long getMaxIdleTime()

Description copied from interface: MetaData

Get the maximum time that the entry may idle (not being accessed) before being evicted (in milliseconds).

Specified by:

getMaxIdleTime in interface MetaData

update

public void update()

Description copied from interface: MetaData

Update the entry after a cache hit.

Specified by:

update in interface MetaData

getHitCount

public int getHitCount()

Description copied from interface: MetaData

Get the number of hits.

Specified by:

getHitCount in interface MetaData

getLastAccess

public long getLastAccess()

Description copied from interface: MetaData

Get the timestamp when the entry was last accessed.

Specified by:

getLastAccess in interface MetaData

getCreated

public long getCreated()

Description copied from interface: MetaData

Get the timestamp when the entry was created.

Specified by:

getCreated in interface MetaData

decay

public void decay()

Description copied from interface: MetaData

Decreases the hitcount for use with LRU based expunge strategies.

Specified by:

decay in interface MetaData

getTimeToLive

public long getTimeToLive()

Description copied from interface: MetaData

Gets the time to live of this entry (in milliseconds).

Specified by:

getTimeToLive in interface MetaData

getMetaData

public SimpleMetaData getMetaData()

getIndexData

public IndexData getIndexData()

setIndexData

public void setIndexData(IndexData indexData)

toString

public String toString()

Overrides:

toString in class Object