org.fcrepo.server.storage

Class DOReaderCache

java.lang.Object

java.util.TimerTask

org.fcrepo.server.storage.DOReaderCache

All Implemented Interfaces:

Runnable

public class DOReaderCache
extends TimerTask

DOReader Cache to be used by DOManager to make object retrieval more efficient

Author:

Frank Asseg, Benjamin Armintor

Constructor Summary

Constructors

Constructor and Description
DOReaderCache() create a new DOReaderCache instance

Method Summary

Methods

Modifier and Type	Method and Description
DOReader	get(String pid) get an DOReader from the cache
void	put(DOReader reader) add a new entry to the cache
void	remove(String pid) remove an entry from the cache
void	removeExpired() remove expired entries from the cache
void	run() TimerTask implementation to be used a managed Thread by the spring framework
void	setMaxEntries(int maxEntries) set the max number of entries the cache can hold
void	setMaxSeconds(int maxSeconds) set the maximal time in seconds an object should live in the cache

Methods inherited from class java.util.TimerTask

cancel, scheduledExecutionTime

Methods inherited from class java.lang.Object

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

Constructor Detail

DOReaderCache

public DOReaderCache()

create a new DOReaderCache instance

Method Detail

setMaxSeconds

public void setMaxSeconds(int maxSeconds)

set the maximal time in seconds an object should live in the cache

Parameters:

maxSeconds - the seconds objects will live in the cache before expiring

setMaxEntries

public void setMaxEntries(int maxEntries)

set the max number of entries the cache can hold

Parameters:

maxEntries - the number of entries

put

public final void put(DOReader reader)

add a new entry to the cache

Parameters:

reader - the DOReader to be cached

remove

public final void remove(String pid)

remove an entry from the cache

Parameters:

pid - the entry's pid

get

public final DOReader get(String pid)

get an DOReader from the cache

Parameters:

pid - the pid of the DOReader

Returns:

the corresponding DOReader or null if there is no applicable cache content

run

public void run()

TimerTask implementation to be used a managed Thread by the spring framework

Specified by:

run in interface Runnable

Specified by:

run in class TimerTask

removeExpired

public final void removeExpired()

remove expired entries from the cache