public class FileSystemJarCache extends JarCacheSupport
JarCache that stores files in a single directory.| Modifier and Type | Field and Description |
|---|---|
File |
rootDir |
DEFAULT_NOWS_JAR_CACHE_LOCATION| Constructor and Description |
|---|
FileSystemJarCache(File rootDir,
boolean touch) |
| Modifier and Type | Method and Description |
|---|---|
protected URL |
lookInCache(Channel channel,
long sum1,
long sum2)
Look up the local cache and return URL if found.
|
protected URL |
retrieve(Channel channel,
long sum1,
long sum2)
Retrieve the jar file from the given
JarLoader, store it, then return the URL to that jar. |
String |
toString() |
getJarLoader, resolvepublic final File rootDir
public FileSystemJarCache(@Nonnull File rootDir, boolean touch)
rootDir - Root directory.touch - True to touch the cached jar file that's used. This enables external LRU based cache
eviction at the expense of increased I/O.IllegalArgumentException - Root directory is null or not writable.protected URL lookInCache(Channel channel, long sum1, long sum2) throws IOException, InterruptedException
JarCacheSupportlookInCache in class JarCacheSupportIOExceptionInterruptedExceptionprotected URL retrieve(Channel channel, long sum1, long sum2) throws IOException, InterruptedException
JarCacheSupportJarLoader, store it, then return the URL to that jar.retrieve in class JarCacheSupportIOExceptionInterruptedExceptionCopyright © 2004–2020. All rights reserved.