/**
* {@inheritDoc}
*
* @see net.sf.hajdbc.util.concurrent.Registry#get(java.lang.Object, java.lang.Object)
*/
@Override
public V get(K key, C context) throws E {
RegistryEntry entry = this.store.get(key);
if (entry != null) {
return entry.getValue();
}
V value = this.factory.create(key, context);
entry = new RegistryEntry(value);
RegistryEntry existing = this.store.setIfAbsent(key, entry);
if (existing != null) {
return existing.getValue();
}
try {
value.start();
entry.started();
return value;
} catch (Exception e) {
this.store.clear(key);
try {
value.stop();
} catch (Exception re) {
this.logger.log(Level.INFO, re);
}
throw this.exceptionFactory.createException(e);
}
}
