au.org.ala.biocache.dao

Interface PersistentQueueDAO

All Known Implementing Classes:

JsonPersistentQueueDAOImpl

public interface PersistentQueueDAO

A DAO for a persistent FIFO QUEUE. To be used to persist downloads independent to the service running.

Author:

Natasha Carter (natasha.carter@csiro.au)

Method Summary

Methods

Modifier and Type	Method and Description
void	addDownloadToQueue(DownloadDetailsDTO download) Adds the supplied download to the offline queue
List<DownloadDetailsDTO>	getAllDownloads() Returns a list of all the offline downloads in the order in which they were requested.
DownloadDetailsDTO	getNextDownload() Return the next offline download from the queue.
int	getTotalDownloads() Returns the total number of download that are on the queue
void	refreshFromPersistent() Refreshes the list from the persistent data store
void	removeDownloadFromQueue(DownloadDetailsDTO download) Removes the supplied download from the queue

Method Detail

addDownloadToQueue

void addDownloadToQueue(DownloadDetailsDTO download)

Adds the supplied download to the offline queue

Parameters:

download -

getNextDownload

DownloadDetailsDTO getNextDownload()

Return the next offline download from the queue. Leaving it on the queue until a remove is called.

Returns:

getTotalDownloads

int getTotalDownloads()

Returns the total number of download that are on the queue

Returns:

removeDownloadFromQueue

void removeDownloadFromQueue(DownloadDetailsDTO download)

Removes the supplied download from the queue

Parameters:

download -

getAllDownloads

List<DownloadDetailsDTO> getAllDownloads()

Returns a list of all the offline downloads in the order in which they were requested.

Returns:

refreshFromPersistent

void refreshFromPersistent()

Refreshes the list from the persistent data store