Hi,
I tried to use the new IDBroker and I ran into some trouble. I used
NewGenerateMapBuilderTask to generate Peers and MapBuilders for
my application's tables and I used the built-in Turbine Peers and MapBuilder
(TurbineMapBuilder) to manage the security. The
id_table is also part of the Turbine tables. I got a NullPointerException when I
tried to use IDBroker to generate an id for one of
my tables in the following way:
DatabaseMap dbMap = DBBroker.getInstance().getDatabaseMap("default");
IDBroker idb = dbMap.getIDBroker();
entityid = idb.getNextId ("Entity").intValue();
The problem turned out to be that IDBroker tries to synchronize on the table map for
which your are trying to generate an id.
Because I have my own MapBuilder for my tables the TurbineMapBuilder does not have
this table and throws the exception. Am I using
this in the wrong way - should I have *one* MapBuilder for the whole app? Am I right
if I say that I can't add the id_table to each
of the MapBuilders because of synchronization problems?
At the moment I use a very simple workaround in storeIDs() , although this is not the
most elegant code:
DatabaseMap dbMap = tableMap.getDatabaseMap();
Object tMap = dbMap.getTable(tableName);
if (tMap == null) tMap = this;
synchronized(tMap)
Any other thoughts on this?
~ Leon
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