com.addthis.muxy

Class MuxFileDirectoryCache

java.lang.Object

com.addthis.muxy.MuxFileDirectoryCache

public class MuxFileDirectoryCache
extends Object

Manages MultiplexFileManager lifecycle by using locks to enforce single instance of MFM per file/directory per machine.

Field Summary

Fields

Modifier and Type	Field and Description
static com.addthis.muxy.MuxFileDirectoryCacheInstance	DEFAULT

Constructor Summary

Constructors

Constructor and Description
MuxFileDirectoryCache()

Method Summary

Modifier and Type	Method and Description
static int	getAndClearCacheEvictions()
static long	getCacheByteSize()
static int	getCacheDirSize()
static int	getCacheFileSize()
static long	getCacheStreamSize()
static TrackedMultiplexFileManager	getWriteableInstance(File dir)
static boolean	tryClear()
static boolean	tryEvict(MuxFileDirectory muxDir)
static void	waitForWriteClosure()

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT

public static final com.addthis.muxy.MuxFileDirectoryCacheInstance DEFAULT

Constructor Detail

MuxFileDirectoryCache

public MuxFileDirectoryCache()

Method Detail

tryEvict

public static boolean tryEvict(MuxFileDirectory muxDir)

tryClear

public static boolean tryClear()

getCacheDirSize

public static int getCacheDirSize()

getAndClearCacheEvictions

public static int getAndClearCacheEvictions()

getCacheByteSize

public static long getCacheByteSize()

getCacheStreamSize

public static long getCacheStreamSize()

getCacheFileSize

public static int getCacheFileSize()

waitForWriteClosure

public static void waitForWriteClosure()

getWriteableInstance

public static TrackedMultiplexFileManager getWriteableInstance(File dir)
                                                        throws Exception

Throws:

Exception