org.netbeans.mdr.persistence.btreeimpl.btreestorage
Interface FileCache.NotifyOnCommit

All Known Implementing Classes:
BtreeFileSource
Enclosing interface:
FileCache

public static interface FileCache.NotifyOnCommit

An object which needs to be notified before the cache commits (for instance, to write any changes to the cache before the cache is flushed to disk) implements this interface, and calls addNotifier on the cache.


Method Summary
 void prepareToCommit()
          a callback method called before the cache commits.
 

Method Detail

prepareToCommit

public void prepareToCommit()
                     throws StorageException
a callback method called before the cache commits. If the result is an exception, the commit does not take place.

Throws:
StorageException


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