question: private void readControlHeader ( PlogLCR LCR ) throws IOException { for ( PlogLCRTag tag : LCR . rawTags ) { switch ( tag . id ) { case PlogLCRTag . TAG_FEATURES_1 : int features = tag . valueInt ( ) ; this . plogDictCacheEnabled = ( features & PlogLCRTag . TAG_FEATURES_1_CACHE_DICT ) > 0 ; break ; default : } } }
target:  Read control header info. We especially want to know if plog dicrionary is enabled.