org.apache.jackrabbit.oak.plugins.blob

Class FileCache

java.lang.Object

<any>

org.apache.jackrabbit.oak.plugins.blob.FileCache

All Implemented Interfaces:

Closeable, AutoCloseable

public class FileCache
extends <any>
implements Closeable

Method Summary

Modifier and Type	Method and Description
static FileCache	build(long maxSize, File root, <any> loader, ExecutorService executor)
void	close()
boolean	containsKey(String key)
File	get(String key)
File	getIfPresent(Object key)
File	getIfPresent(String key) Retrieves the file handle from the cache if present and null otherwise.
DataStoreCacheStatsMBean	getStats()
void	invalidate(Object key)
void	put(String key, File file) Puts the given key and file into the cache.

Methods inherited from class java.lang.Object

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

Method Detail

build

public static FileCache build(long maxSize,
                              File root,
                              <any> loader,
                              ExecutorService executor)

put

public void put(String key,
                File file)

Puts the given key and file into the cache. The file is moved to the cache. So, the original file won't be available after this operation. It can be retrieved using getIfPresent(String).

Parameters:

key - of the file

file - to put into cache

containsKey

public boolean containsKey(String key)

getIfPresent

public File getIfPresent(String key)

Retrieves the file handle from the cache if present and null otherwise.

Parameters:

key - of the file to retrieve

Returns:

File handle if available

getIfPresent

public File getIfPresent(Object key)

get

public File get(String key)
         throws IOException

Throws:

IOException

invalidate

public void invalidate(Object key)

getStats

public DataStoreCacheStatsMBean getStats()

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable