Package com.wowza.wms.dvr

Interface IDvrChunkMemoryCache

All Superinterfaces:

IDvrRawChunkProvider

public interface IDvrChunkMemoryCache
extends IDvrRawChunkProvider

Interface for managing in-memory cache of chunks. The implementor is responsible for implementing the desired algorithm for keeping DVR chunks in memory.

Method Summary

Modifier and Type	Method	Description
void	addToCache(int type, long index, com.wowza.wms.dvr.DvrChunk chunk)	Provide in-memory cache the opportunity to add the DVR chunk to its cache.
void	addToCache(DvrManifestChunkEntry entry, com.wowza.wms.dvr.DvrChunk chunk)	Provide in-memory cache the opportunity to add the DVR chunk to its cache.
void	closeCache()
void	init(IDvrStreamStore store)	Called to initialize the in-memory cache.
com.wowza.wms.dvr.DvrChunk	retrieveRawChunk(int type, long index)
com.wowza.wms.dvr.DvrChunk	retrieveRawChunk(DvrManifestChunkEntry entry)	Given the specified manifest entry, return the raw DVR chunk.
void	setContext(String context)	Set the full context for this cache

Method Detail

init

void init(IDvrStreamStore store)

Called to initialize the in-memory cache.

Parameters:

store - The DVR stream store associated with this cache.

setContext

void setContext(String context)

Set the full context for this cache

Parameters:

context -

retrieveRawChunk

com.wowza.wms.dvr.DvrChunk retrieveRawChunk(DvrManifestChunkEntry entry)

Description copied from interface: IDvrRawChunkProvider

Given the specified manifest entry, return the raw DVR chunk.

Specified by:

retrieveRawChunk in interface IDvrRawChunkProvider

Parameters:

entry - The DVR manifest entry

Returns:

the DVR chunk or null if not able to return the chunk.

retrieveRawChunk

com.wowza.wms.dvr.DvrChunk retrieveRawChunk(int type,
                                            long index)

closeCache

void closeCache()

addToCache

void addToCache(DvrManifestChunkEntry entry,
                com.wowza.wms.dvr.DvrChunk chunk)

Provide in-memory cache the opportunity to add the DVR chunk to its cache. The implementation may choose to cache the chunk or ignore it.

Parameters:

entry - DVR manifest entry

chunk - the chunk.

addToCache

void addToCache(int type,
                long index,
                com.wowza.wms.dvr.DvrChunk chunk)

Provide in-memory cache the opportunity to add the DVR chunk to its cache. The implementation may choose to cache the chunk or ignore it.

Parameters:

int - type

int - index

chunk - the chunk.