ICachedLoaderJob (JOSM)

Type Parameters:

K - cache key type

All Superinterfaces:

java.lang.Runnable

All Known Implementing Classes:

JCSCachedTileLoaderJob, MapboxVectorCachedTileLoaderJob, TMSCachedTileLoaderJob, WMSCachedTileLoaderJob
```
public interface ICachedLoaderJob<K>
extends java.lang.Runnable
```
Interface for a job to load a single object (typically an imagery tile). It is either retrieved from cache or downloaded from the given URL (getUrl()).

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`CacheEntry`	`get()`	fetches object from cache, or returns null when object is not found
`K`	`getCacheKey()`	returns cache entry key
`java.net.URL`	`getUrl()`	method to get download URL for Job
`void`	`submit(ICachedLoaderListener listener, boolean force)`	Submit job for background fetch, and listener will be fed with value object

Methods inherited from interface java.lang.Runnable
run

- Method Detail
  - getCacheKey
```
K getCacheKey()
```
    returns cache entry key
    
    Returns:
    
    cache key for tile
  - getUrl
```
java.net.URL getUrl()
             throws java.io.IOException
```
    method to get download URL for Job
    
    Returns:
    
    URL that should be fetched
    
    Throws:
    
    java.io.IOException - when could not determine the URL of the tile
  - get
```
CacheEntry get()
```
    fetches object from cache, or returns null when object is not found
    
    Returns:
    
    filled tile with data or null when no cache entry found
  - submit
```
void submit(ICachedLoaderListener listener,
            boolean force)
     throws java.io.IOException
```
    Submit job for background fetch, and listener will be fed with value object
    
    Parameters:
    
    listener - cache loader listener
    
    force - true if the load should skip all the caches (local & remote)
    
    Throws:
    
    java.io.IOException - on failure from getUrl() call