To create an instance of this interface, use the Category Manger, with the category "vacuum-participant".
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| || ||A connection to the database file to be vacuumed.|
| || || |
The expected page size, in bytes, for the database. The vacuum manager will try to correct the page size when the browser is idle, using this value as a target. Valid page sizes are in the range 512 to 65,536. The recommended value is
Note: If the database is using the
Called when a vacuum operation begins. Once you receive this notification, you should avoid using the database until
onEndVacuum() is called.
true to allow the vacuum operation to proceed, or
false if you don't want the database to be vacuumed. You may wish to return
false, for example, if you're in the middle of an operation that you don't want to (or can't) interrupt.
Called when a vacuum operation ends.
void onEndVacuum( in boolean aSucceeded );
trueif the vacuum operation was successful, or
falseif it wasn't successful.