net.sf.ehcache.concurrent
Interface CacheLockProvider

All Known Implementing Classes:

StripedReadWriteLockSync

public interface CacheLockProvider

Author:

Alex Snaps

Method Summary

Sync[]	getAndWriteLockAllSyncForKeys(java.lang.Object... keys) Gets and write lock the Sync Stripes to use for the given keys.
Sync	getSyncForKey(java.lang.Object key) Gets the Sync Stripe to use for a given key.
void	unlockWriteLockForAllKeys(java.lang.Object... keys) write unlock the Sync Stripes to use for the given keys.

Method Detail

getSyncForKey

Sync getSyncForKey(java.lang.Object key)

Gets the Sync Stripe to use for a given key.

This lookup must always return the same Sync for a given key.

Parameters:

key - the key

Returns:

one of a limited number of Sync's.

getAndWriteLockAllSyncForKeys

Sync[] getAndWriteLockAllSyncForKeys(java.lang.Object... keys)

Gets and write lock the Sync Stripes to use for the given keys.

This lookup must always return the same Sync for a given key. For keys.length > 0, it will return anything between 1 and keys.length Sync's

Parameters:

keys - the keys to lock and get syncs for

Returns:

limited number of write locked Sync's matching the keys.

unlockWriteLockForAllKeys

void unlockWriteLockForAllKeys(java.lang.Object... keys)

write unlock the Sync Stripes to use for the given keys.

Parameters:

keys - the keys to unlock