/**
* Prepare prefetch store. {@inheritDoc}
*
* @see
* com.continuent.tungsten.replicator.plugin.ReplicatorPlugin#prepare(com.continuent.tungsten.replicator.plugin.PluginContext)
*/
public void prepare(PluginContext context) throws ReplicatorException {
// Perform super-class prepare.
super.prepare(context);
logger.info("Preparing PrefetchStore for slave catalog schema: " + slaveCatalogSchema);
// Load defaults for connection
if (url == null) url = context.getJdbcUrl("tungsten_" + context.getServiceName());
if (user == null) user = context.getJdbcUser();
if (password == null) password = context.getJdbcPassword();
// Connect.
try {
conn = DatabaseFactory.createDatabase(url, user, password);
conn.connect(true);
seqnoStatement =
conn.prepareStatement(
"select seqno, fragno, last_Frag, source_id, epoch_number, eventid, applied_latency from "
+ slaveCatalogSchema
+ "."
+ CommitSeqnoTable.TABLE_NAME);
} catch (SQLException e) {
throw new ReplicatorException(e);
}
// Show that we have started.
startTimeMillis = System.currentTimeMillis();
prefetchState = PrefetchState.active;
}
/** Puts an event in the queue, blocking if it is full. */
public void put(ReplDBMSEvent event) throws InterruptedException, ReplicatorException {
// See if we want the event and put it in the queue if so.
if (filter(event) != null) {
super.put(event);
}
}
