streamConfiguration.setAttribute( "type", "STREAM" );
streamConfiguration.setAttribute( "model", "SYNCHRONOUS" );
sr = (StreamRepository) store.select(streamConfiguration);
or = (ObjectRepository) store.select(objectConfiguration);
lock = new Lock();
keys = Collections.synchronizedSet(new HashSet());
//Finds non-matching pairs and deletes the extra files
HashSet streamKeys = new HashSet();