public void openSystemStore(StoreDefinition storeDef) {
logger.info("Opening system store '" + storeDef.getName() + "' (" + storeDef.getType() + ").");
StorageConfiguration config = storageConfigs.get(storeDef.getType());
if (config == null)
throw new ConfigurationException(
"Attempt to open system store "
+ storeDef.getName()
+ " but "
+ storeDef.getType()
+ " storage engine has not been enabled.");
final StorageEngine<ByteArray, byte[], byte[]> engine = config.getStore(storeDef, null);
// Noted that there is no read-only processing as for user stores.
// openStore() should have atomic semantics
try {
registerSystemEngine(engine);
if (voldemortConfig.isServerRoutingEnabled())
registerNodeStores(storeDef, metadata.getCluster(), voldemortConfig.getNodeId());
if (storeDef.hasRetentionPeriod()) scheduleCleanupJob(storeDef, engine);
} catch (Exception e) {
unregisterSystemEngine(engine);
throw new VoldemortException(e);
}
}
public StorageEngine<ByteArray, byte[], byte[]> openStore(StoreDefinition storeDef) {
logger.info("Opening store '" + storeDef.getName() + "' (" + storeDef.getType() + ").");
StorageConfiguration config = storageConfigs.get(storeDef.getType());
if (config == null)
throw new ConfigurationException(
"Attempt to open store "
+ storeDef.getName()
+ " but "
+ storeDef.getType()
+ " storage engine has not been enabled.");
boolean isReadOnly = storeDef.getType().compareTo(ReadOnlyStorageConfiguration.TYPE_NAME) == 0;
final RoutingStrategy routingStrategy =
new RoutingStrategyFactory().updateRoutingStrategy(storeDef, metadata.getCluster());
final StorageEngine<ByteArray, byte[], byte[]> engine =
config.getStore(storeDef, routingStrategy);
// Update the routing strategy + add listener to metadata
if (storeDef.getType().compareTo(ReadOnlyStorageConfiguration.TYPE_NAME) == 0) {
metadata.addMetadataStoreListener(
storeDef.getName(),
new MetadataStoreListener() {
public void updateRoutingStrategy(RoutingStrategy updatedRoutingStrategy) {
((ReadOnlyStorageEngine) engine).setRoutingStrategy(updatedRoutingStrategy);
}
public void updateStoreDefinition(StoreDefinition storeDef) {
return;
}
});
}
// openStore() should have atomic semantics
try {
registerEngine(engine, isReadOnly, storeDef.getType(), storeDef);
if (voldemortConfig.isServerRoutingEnabled())
registerNodeStores(storeDef, metadata.getCluster(), voldemortConfig.getNodeId());
if (storeDef.hasRetentionPeriod()) scheduleCleanupJob(storeDef, engine);
} catch (Exception e) {
removeEngine(engine, isReadOnly, storeDef.getType(), false);
throw new VoldemortException(e);
}
return engine;
}
