ScrobbleCache

All Known Implementing Classes:

FileSystemCache
```
public interface ScrobbleCache
```
A ScrobbleCache is able to cache SubmissionData instances for later submission to the Last.fm servers.

Author:

Janni Kovacs

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`cacheScrobble(SubmissionData... submissions)`	Caches one or more `SubmissionData`.
`void`	`cacheScrobble(java.util.Collection<SubmissionData> submissions)`	Caches a collection of `SubmissionData`.
`void`	`clearScrobbleCache()`	Clears all cached scrobbles from this cache.
`boolean`	`isEmpty()`	Checks if the cache contains any scrobbles.
`void`	`scrobble(Scrobbler scrobbler)`	Tries to scrobble all cached scrobbles.

- Method Detail
  - cacheScrobble
```
void cacheScrobble(SubmissionData... submissions)
```
    Caches one or more SubmissionData.
    
    Parameters:
    
    submissions - The submissions
  - cacheScrobble
```
void cacheScrobble(java.util.Collection<SubmissionData> submissions)
```
    Caches a collection of SubmissionData.
    
    Parameters:
    
    submissions - The submissions
  - isEmpty
```
boolean isEmpty()
```
    Checks if the cache contains any scrobbles.
    
    Returns:
    
    true if this cache is empty
  - scrobble
```
void scrobble(Scrobbler scrobbler)
       throws java.io.IOException
```
    Tries to scrobble all cached scrobbles. If it succeeds the cache will be empty afterwards. If this method fails an IOException is thrown and no entries are removed from the cache.
    
    Parameters:
    
    scrobbler - A Scrobbler instance
    
    Throws:
    
    java.io.IOException - on I/O errors
    
    java.lang.IllegalStateException - if the Scrobbler is not fully initialized (i.e. no handshake performed)
  - clearScrobbleCache
```
void clearScrobbleCache()
```
    Clears all cached scrobbles from this cache.