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rabbit.proxy
Class RandomCacheResourceSource

java.lang.Object
  rabbit.httpio.FileResourceSource
      rabbit.proxy.CacheResourceSource
          rabbit.proxy.RandomCacheResourceSource

All Implemented Interfaces:: ResourceSource, Transferable

public class RandomCacheResourceSource
extends CacheResourceSource
extends CacheResourceSource

A resource that gets ranges from the cache. This resource will read data from disk so it may block.

Author:: Robert Olofsson

Field Summary

Fields inherited from class rabbit.httpio.FileResourceSource
`bufHandle, fc`

Constructor Summary
`RandomCacheResourceSource(Cache<HttpHeader,HttpHeader> cache, rabbit.proxy.RequestHandler rh, NioHandler tr, BufferHandler bufHandler, List<Range> ranges, long totalSize)` Create a new ResourceSource that will get a list of ranges from a cached resource.

Method Summary
`void`	`addBlockListener(BlockListener listener)` Generally we do not come into this method, but it can happen..
`boolean`	`supportsTransfer()` FileChannels can only be partially used so go with blocks.

Methods inherited from class rabbit.httpio.FileResourceSource
`length, release, transferTo`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

RandomCacheResourceSource

public RandomCacheResourceSource(Cache<HttpHeader,HttpHeader> cache,
                                 rabbit.proxy.RequestHandler rh,
                                 NioHandler tr,
                                 BufferHandler bufHandler,
                                 List<Range> ranges,
                                 long totalSize)
                          throws IOException

Create a new ResourceSource that will get a list of ranges from a cached resource.

Parameters:: cache - the Cache holding the resource; rh - the RequestHandler for the request; tr - the NioHandler to use for network and background tasks; bufHandler - the BufferHandler to use when serving the resource; ranges - the wanted ranges; totalSize - the total size of the wanted ranges
Throws:: IOException - if the cached resource can not be read

Method Detail

supportsTransfer

public boolean supportsTransfer()

FileChannels can only be partially used so go with blocks.

Specified by:: supportsTransfer in interface ResourceSource
Overrides:: supportsTransfer in class FileResourceSource

Returns:: false

addBlockListener

public void addBlockListener(BlockListener listener)

Description copied from class: FileResourceSource

Generally we do not come into this method, but it can happen..

Specified by:: addBlockListener in interface ResourceSource
Overrides:: addBlockListener in class FileResourceSource

Parameters:: listener - the listener that will get notified when data is available