@ Override public boolean isSinglePrefixBlock ( ) { Integer networkPrefixLength = getNetworkPrefixLength ( ) ; if ( networkPrefixLength == null ) { return false ; } return containsSinglePrefixBlock ( networkPrefixLength ) ; }
Returns whether the division grouping range matches the block of values for its prefix length . In other words returns true if and only if it has a prefix length and it has just a single prefix .