Package org.red5.io

Class CachingFileKeyFrameMetaCache

java.lang.Object

org.red5.io.FileKeyFrameMetaCache

org.red5.io.CachingFileKeyFrameMetaCache

All Implemented Interfaces:

IKeyFrameMetaCache

public class CachingFileKeyFrameMetaCache
extends FileKeyFrameMetaCache

Field Summary

Fields

Modifier and Type	Field	Description
private Map<String,IKeyFrameDataAnalyzer.KeyFrameMeta>	inMemoryMetaCache
private int	maxCacheEntry
private Random	random
private ReadWriteLock	rwLock

Constructor Summary

Constructors

Constructor	Description
CachingFileKeyFrameMetaCache()

Method Summary

Modifier and Type	Method	Description
private void	freeCachingMetadata()
IKeyFrameDataAnalyzer.KeyFrameMeta	loadKeyFrameMeta(File file)	Load keyframe informations for the given file.
void	removeKeyFrameMeta(File file)	Remove keyframe information for given file.
void	saveKeyFrameMeta(File file, IKeyFrameDataAnalyzer.KeyFrameMeta meta)	Store keyframe informations for the given file.
void	setMaxCacheEntry(int maxCacheEntry)

Methods inherited from class java.lang.Object

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

Field Details

inMemoryMetaCache

private Map<String,IKeyFrameDataAnalyzer.KeyFrameMeta> inMemoryMetaCache

rwLock

private ReadWriteLock rwLock

maxCacheEntry

private int maxCacheEntry

random

private Random random

Constructor Details

CachingFileKeyFrameMetaCache

public CachingFileKeyFrameMetaCache()

Method Details

freeCachingMetadata

private void freeCachingMetadata()

loadKeyFrameMeta

public IKeyFrameDataAnalyzer.KeyFrameMeta loadKeyFrameMeta(File file)

Description copied from class: FileKeyFrameMetaCache

Load keyframe informations for the given file.

Specified by:

loadKeyFrameMeta in interface IKeyFrameMetaCache

Overrides:

loadKeyFrameMeta in class FileKeyFrameMetaCache

Parameters:

file - File to load informations for.

Returns:

The keyframe informations or null if none exist.

removeKeyFrameMeta

public void removeKeyFrameMeta(File file)

Description copied from interface: IKeyFrameMetaCache

Remove keyframe information for given file. Need to update keyframe cache when re-writing file.

Specified by:

removeKeyFrameMeta in interface IKeyFrameMetaCache

Overrides:

removeKeyFrameMeta in class FileKeyFrameMetaCache

Parameters:

file - File to remove information for.

saveKeyFrameMeta

public void saveKeyFrameMeta(File file,
 IKeyFrameDataAnalyzer.KeyFrameMeta meta)

Description copied from class: FileKeyFrameMetaCache

Store keyframe informations for the given file.

Specified by:

saveKeyFrameMeta in interface IKeyFrameMetaCache

Overrides:

saveKeyFrameMeta in class FileKeyFrameMetaCache

Parameters:

file - File to save informations for.

meta - Keyframe informations for this file.

setMaxCacheEntry

public void setMaxCacheEntry(int maxCacheEntry)