566566db3a
Motivation: DnsCache (an interface) is coupled to DnsCacheEntry (a final class). This means that DnsCache implementations can't implement their own DnsCacheEntry objects if the default behavior isn't appropriate. Modifications: - DnsCacheEntry should be moved to DefaultDnsCache as it is an implementation detail - DnsCache#cache(..) should return a new DnsCacheEntry - The methods which from DnsCacheEntry that were used outside the scope of DefaultDnsCache should be moved into an interface Result: DnsCache is more extensible and not tightly coupled to a default implementation of DnsCacheEntry. |
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