thredds.filesystem

Class CacheManager

java.lang.Object

thredds.filesystem.CacheManager

@ThreadSafe
public class CacheManager
extends java.lang.Object

Handles caching using ehcache. Must be thread safe. Uses ehcache underneath.

Since:

Mar 21, 2009

Author:

caron

Constructor Summary

Constructors

Constructor and Description
CacheManager(java.lang.String cacheName)

Method Summary

Methods

Modifier and Type	Method and Description
void	add(java.io.Serializable path, java.io.Serializable value)
void	close()
CacheDirectory	get(java.lang.String path, boolean recheck) Get a CacheDirectory from the path.
static net.sf.ehcache.CacheManager	getEhcache()
static void	main(java.lang.String[] args)
static void	makeReadOnlyCacheManager(java.lang.String cacheDir, java.lang.String cacheName)
static void	makeStandardCacheManager(java.lang.String configFile, java.lang.String cacheDir)
static void	makeTestCacheManager(java.lang.String cacheDir)
void	populateDirs(java.lang.String root)
void	populateDirsProto(java.lang.String root)
void	populateFiles(java.lang.String root)
void	populateFilesProto(java.lang.String root)
static java.lang.String	show(java.lang.String cacheName)
void	showKeys()
static void	shutdown()
void	stats()

Methods inherited from class java.lang.Object

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

Constructor Detail

CacheManager

public CacheManager(java.lang.String cacheName)

Method Detail

getEhcache

public static net.sf.ehcache.CacheManager getEhcache()

makeStandardCacheManager

public static void makeStandardCacheManager(java.lang.String configFile,
                            java.lang.String cacheDir)
                                     throws java.io.IOException

Throws:

java.io.IOException

makeTestCacheManager

public static void makeTestCacheManager(java.lang.String cacheDir)

makeReadOnlyCacheManager

public static void makeReadOnlyCacheManager(java.lang.String cacheDir,
                            java.lang.String cacheName)

shutdown

public static void shutdown()

add

public void add(java.io.Serializable path,
       java.io.Serializable value)

show

public static java.lang.String show(java.lang.String cacheName)

get

public CacheDirectory get(java.lang.String path,
                 boolean recheck)

Get a CacheDirectory from the path. If not in cache, read OS and put in cache.

Parameters:

path - file path

recheck - if true, check that directory hasnt changed, otherwise ok to use cached element without chcking

Returns:

CacheDirectory

close

public void close()

showKeys

public void showKeys()

stats

public void stats()

populateFiles

public void populateFiles(java.lang.String root)

populateFilesProto

public void populateFilesProto(java.lang.String root)

populateDirs

public void populateDirs(java.lang.String root)

populateDirsProto

public void populateDirsProto(java.lang.String root)

main

public static void main(java.lang.String[] args)
                 throws java.io.IOException

Throws:

java.io.IOException