to.etc.domui.caches.filecache

Class FileCache

java.lang.Object

to.etc.domui.caches.filecache.FileCache

public class FileCache
extends Object

The file area cache used by the image code. This maintains the file cache and cleans it out every once in a while. To ensure safe access all files in the cache must be retrieved through this file cache, and after use these need to be released. This ensures that no files are removed that are currently in use.

Author:

Frits Jalvingh Created on Nov 30, 2009

Constructor Summary

Constructors

Constructor and Description
FileCache(File cacheRoot, long maxFileSize)

Method Summary

Modifier and Type	Method and Description
long	getCurrentFileSize()
FileCacheRef	getFile(String rpath)
void	initialize()
void	reaper() Called every once in a while to clean out the file cache.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileCache

public FileCache(File cacheRoot,
                 long maxFileSize)

Method Detail

initialize

public void initialize()
                throws Exception

Throws:

Exception

getFile

public FileCacheRef getFile(String rpath)

reaper

public void reaper()

Called every once in a while to clean out the file cache. This walks the entire cache directory and determines it's current size; it also collects the oldest files in that cache into a reap list. If the size of the cache is above it's max size then files on the reap list are deleted until the cache reaches an allowed size.

getCurrentFileSize

public long getCurrentFileSize()