Hi,
I am using JE BerkleyDB implementation of JBossTreeCache
(org.jboss.cache.TreeCache) in my application for storing some information.
A sniipet out of the constructor:
| public final Fqn CREATED_DATE_FQN;
| private static final String CREATED_DATE = "CreatedDate";
| ....
|
| this.cache = new TreeCache();
| cache.setClusterName(name);
| cache.setCacheMode("local");
| cache.setCacheLoaderConfiguration(getSingleCacheLoaderConfig("",
| BdbjeCacheLoader.class.getName(), "location="
| + f.getAbsolutePath(), false,
true, false));
| cache.startService();
| cache.put(CREATED_DATE_FQN, CREATED_DATE, new Timestamp(new
Date().getTime()));
| cache.load(name);//Load existing data if any
| ...
| cache.startService(); /// required before the cache can be used!
| ...
|
|
To store data I use:
| cache.put(MAX_ID_FQN, MAX_ID, eventId);
|
But what I have observed is that the cache is not flushed to disk.
I have discovered a workaround (but unacceptable for production) is, after
every put;
| cache.put(MAX_ID_FQN, MAX_ID, eventId);
| // stopService & startSerivice of cache, to flush the data just added to
disk
| cache.stopService();
| cache.startService();
|
I tried commit() after the put
| cache.put(MAX_ID_FQN, MAX_ID, eventId);
| cache.commit(cache.getCurrentTransaction(true)); //commit to disk, but this
throws an exception
|
but that throws a
java.lang.UnsupportedOperationException::commit() should not be called on
TreeCache directly.
Any clues will be appreciated.
~g1
PS: To build I use maven with jboss-cache-1.4.0.SP1.jar,
jboss-system-4.0.3.jar, jboss-jmx-4.0.3.jar & jboss-common-4.0.3.jar
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