Class w3c.jigsaw.resources.ResourceStoreManager
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Class w3c.jigsaw.resources.ResourceStoreManager
java.lang.Object
|
+----w3c.jigsaw.resources.ResourceStoreManager
- public class ResourceStoreManager
- extends Object
-
closed
- Is this store shutdown ?
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entries
- The loaded resource stores.
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head
- The fake head of our LRU list for store entries.
-
server
- The server we are attached to.
-
sweeper
- Our sweeper thread:
-
tail
- The fake tail of our LRU list fro store entries.
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ResourceStoreManager(httpd)
- Create a new resource store for the given server.
-
checkClosed()
- Check that this resource store manager isn't closed.
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collect()
- Collect enough entries to go back into fixed limits.
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getMaxEntries()
-
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loadResourceStore(ResourceStoreHolder, File)
- Load a resource store.
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lookupEntry(File, ResourceStoreHolder, boolean)
- Lookup an entry in the store.
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markUsed(File)
- Mark the given store as having been used recently.
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pickLRUEntry()
- Pick the least recently used entry, and remove all links to it.
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shutdown()
- Shutdown this resource store manager.
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unholdResourceStore(ResourceStoreHolder, File)
- Unhold the given store.
entries
protected Hashtable entries
- The loaded resource stores.
closed
protected boolean closed
- Is this store shutdown ?
server
protected httpd server
- The server we are attached to.
head
protected StoreEntry head
- The fake head of our LRU list for store entries.
tail
protected StoreEntry tail
- The fake tail of our LRU list fro store entries.
sweeper
protected StoreManagerSweeper sweeper
- Our sweeper thread:
ResourceStoreManager
public ResourceStoreManager(httpd server)
- Create a new resource store for the given server.
- Parameters:
- server - The server that wants a resource store manager.
getMaxEntries
protected final int getMaxEntries()
checkClosed
protected final synchronized void checkClosed()
- Check that this resource store manager isn't closed.
- Throws: RuntimeException
- If the store manager was closed.
lookupEntry
protected synchronized StoreEntry lookupEntry(File repository,
ResourceStoreHolder holder,
boolean create)
- Lookup an entry in the store.
- Parameters:
- repository - The repository of the store to lookup.
- create - Create a new entry if it doesn't exist.
pickLRUEntry
protected synchronized StoreEntry pickLRUEntry()
- Pick the least recently used entry, and remove all links to it.
After this method as run, the least recently used entry for some store
will be returned. The store manager will have discarded all its link to
it, and the entry shutdown will have to be performed by the caller.
- Returns:
- An StoreEntry instance, to be cleaned up.
collect
public void collect()
- Collect enough entries to go back into fixed limits.
loadResourceStore
public ResourceStore loadResourceStore(ResourceStoreHolder holder,
File repository)
- Load a resource store.
- Parameters:
- holder - The holder for the resource store.
- repository - Its associated repository.
unholdResourceStore
public void unholdResourceStore(ResourceStoreHolder holder,
File repository)
- Unhold the given store.
For some reason, the holder for this store has decided to close it.
Remove from ths list of this store holder. When this call is made, the
caller is expected to have cleaned-up the store (stabilize it, etc).
- Parameters:
- holder - The holder of the store.
- store - The store this holder doesn't want to hold anymore.
shutdown
public synchronized void shutdown()
- Shutdown this resource store manager.
Go through all entries, and shut them down.
markUsed
public void markUsed(File repository)
- Mark the given store as having been used recently.
- Parameters:
- repository - The repository of the store that has been used.
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