Mercurial > hg > blitz_condensed
view src/org/dancres/blitz/disk/Syncable.java @ 33:0b9265358617
Added tag 2.1.1 for changeset a77f0a9ed93c
author | Dan Creswell <dan.creswell@gmail.com> |
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date | Sat, 12 Jun 2010 10:52:10 +0100 |
parents | 3dc0c5604566 |
children |
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package org.dancres.blitz.disk; /** Those involved in storage management should implement this interface and register with Disk. This facilitates, checkpointing and clean shutdown of Blitz. */ public interface Syncable { /** When called, the instance should synchronize all "dirtied" state to disk - i.e. if no further operations were carried out and the JVM was stopped, recovery wouldn't be necessary because the disk contains an accurate copy of the memory state at the point when sync() was invoked. */ public void sync() throws Exception; /** When called, the instance should close and release any files it is currently using. */ public void close() throws Exception; }