protected void purge ( Reference ref ) { // The hashCode of the reference is the hashCode of the // mapping key, even if the reference refers to the // mapping value... int hash = ref . hashCode ( ) ; int index = hashIndex ( hash , data . length ) ; HashEntry < K , V > previous = null ; HashEntry < K , V > entry = data [ index ] ; while ( entry != null ) { if ( ( ( ReferenceEntry < K , V > ) entry ) . purge ( ref ) ) { if ( previous == null ) { data [ index ] = entry . next ; } else { previous . next = entry . next ; } this . size -- ; return ; } previous = entry ; entry = entry . next ; } }
Purges the specified reference .