org.directwebremoting.impl
Class InMemoryDownloadManager

java.lang.Object
  org.directwebremoting.impl.PurgingDownloadManager
      org.directwebremoting.impl.InMemoryDownloadManager

All Implemented Interfaces:

DownloadManager

public class InMemoryDownloadManager
extends PurgingDownloadManager
implements DownloadManager

A DownloadManager that simply stores the links in-memory. This implementation has the advantage that it is simple - no disk storage is required, however in anything but a lightly used system it could cause significant memory usage.

Author:

Joe Walker [joe at getahead dot ltd dot uk]

Nested Class Summary

Nested classes/interfaces inherited from class org.directwebremoting.impl.PurgingDownloadManager

PurgingDownloadManager.DownloadPurge

Constructor Summary

InMemoryDownloadManager()

Method Summary

FileTransfer	getFileTransfer(java.lang.String id) Retrieve a FileGenerator given the id that it was stored under
void	setDownloadRequestsBeforeRemove(int downloadRequestsBeforeRemove) Some download managers cause multiple downloads, so we count the number of downloads before the delete is done.

Methods inherited from class org.directwebremoting.impl.PurgingDownloadManager

addFileTransfer, setDownloadHandlerUrl, setIdGenerator, setPurgeDownloadsAfter, setScheduledThreadPoolExecutor

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.directwebremoting.extend.DownloadManager

addFileTransfer

Constructor Detail

InMemoryDownloadManager

public InMemoryDownloadManager()

Method Detail

getFileTransfer

public FileTransfer getFileTransfer(java.lang.String id)

Description copied from interface: DownloadManager

Retrieve a FileGenerator given the id that it was stored under

Specified by:

getFileTransfer in interface DownloadManager

Parameters:

id - The id to lookup

Returns:

The matching FileGenerator or null if no match was found

setDownloadRequestsBeforeRemove

public void setDownloadRequestsBeforeRemove(int downloadRequestsBeforeRemove)

Some download managers cause multiple downloads, so we count the number of downloads before the delete is done.