org.fcrepo.server.storage
Class DOReaderCache

java.lang.Object
  java.lang.Thread
      org.fcrepo.server.storage.DOReaderCache

All Implemented Interfaces:

Runnable

public class DOReaderCache
extends Thread

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

Thread.State, Thread.UncaughtExceptionHandler

Field Summary

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

DOReaderCache(int maxReaders, int maxCachedSeconds)

Method Summary

void	close()
DOReader	get(String pid) Get a DOReader from the cache.
void	put(DOReader reader) Add a DOReader to the cache.
void	remove(String pid) Remove a DOReader from the cache.
void	run() Until closed, check for and remove any expired entries every second.

Methods inherited from class java.lang.Thread

activeCount, checkAccess, clone, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Constructor Detail

DOReaderCache

public DOReaderCache(int maxReaders,
                     int maxCachedSeconds)

Method Detail

run

public void run()

Until closed, check for and remove any expired entries every second.

Specified by:

run in interface Runnable

Overrides:

run in class Thread

remove

public void remove(String pid)

Remove a DOReader from the cache. If it doesn't exist in the cache, do nothing.

put

public void put(DOReader reader)

Add a DOReader to the cache. If it already exists in the cache, refresh the DOReader in the cache.

get

public DOReader get(String pid)

Get a DOReader from the cache. If it doesn't exist in the cache, return null. If it does exist, set its time to the current time and return it.

close

public void close()