in activemq-kahadb-exporter/src/main/java/org/apache/activemq/cli/kahadb/exporter/Exporter.java [236:248]
private static MultiKahaDBPersistenceAdapter getMultiKahaDbAdapter(File dir) {
MultiKahaDBPersistenceAdapter adapter = new MultiKahaDBPersistenceAdapter();
adapter.setDirectory(dir);
KahaDBPersistenceAdapter kahaStore = new KahaDBPersistenceAdapter();
kahaStore.setDirectory(dir);
FilteredKahaDBPersistenceAdapter filtered = new FilteredKahaDBPersistenceAdapter();
filtered.setPersistenceAdapter(kahaStore);
filtered.setPerDestination(true);
adapter.setFilteredPersistenceAdapters(Lists.newArrayList(filtered));
return adapter;
}