Examples of DNSCache

javax.jmdns.impl.DNSCache

A table of DNS entries. This is a hash table which can handle multiple entries with the same name.

Storing multiple entries with the same name is implemented using a linked list of CacheNode's.

The current implementation of the API of DNSCache does expose the cache nodes to clients. Clients must explicitly deal with the nodes when iterating over entries in the cache. Here's how to iterate over all entries in the cache:

 for (Iterator i=dnscache.iterator(); i.hasNext(); ) { for (DNSCache.CacheNode n = (DNSCache.CacheNode) i.next(); n != null; n.next()) { DNSEntry entry = n.getValue(); ...do something with entry... } }

And here's how to iterate over all entries having a given name:

 for (DNSCache.CacheNode n = (DNSCache.CacheNode) dnscache.find(name); n != null; n.next()) { DNSEntry entry = n.getValue(); ...do something with entry... }

@version %I%, %G% @author Arthur van Hoff, Werner Randelshofer, Rick Blair

        assertNotNull("Could not create a new DNS cache.", cache);
    }


    @Test
    public void testCacheAddEntry() {
        DNSCache cache = new DNSCache();


        DNSEntry entry = new DNSRecord.Service("pierre._home-sharing._tcp.local.", DNSRecordClass.CLASS_IN, false, 0, 0, 0, 0, "panoramix.local.");
        cache.addDNSEntry(entry);
        assertEquals("Could not retrieve the value we inserted", entry, cache.getDNSEntry(entry));


    }


    }


    @Test
    public void testCacheRemoveEntry() {
        DNSCache cache = new DNSCache();


        DNSEntry entry = new DNSRecord.Service("pierre._home-sharing._tcp.local.", DNSRecordClass.CLASS_IN, false, 0, 0, 0, 0, "panoramix.local.");
        cache.addDNSEntry(entry);
        assertEquals("Could not retrieve the value we inserted", entry, cache.getDNSEntry(entry));
        cache.removeDNSEntry(entry);
        assertNull("Could not remove the value we inserted", cache.getDNSEntry(entry));


    }

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Examples of DNSCache

Examples of javax.jmdns.impl.DNSCache

Examples of javax.jmdns.impl.DNSCache