Package org.apache.cassandra.dht

Examples of org.apache.cassandra.dht.StringToken

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        tokenFactory(metadata, "ABC", new byte[]{ 10, 20, 114, 15 });
    }

    public void tokenFactory(TokenMetadata metadata, String token, byte[] bytes) throws UnknownHostException
    {
        Token token1 = new StringToken(token);
        InetAddress add1 = InetAddress.getByAddress(bytes);
        metadata.updateNormalToken(token1, add1);
    }
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        NetworkTopologyStrategy strategy = new NetworkTopologyStrategy(keyspaceName, metadata, snitch, configOptions);
        assert strategy.getReplicationFactor("DC1") == 3;
        assert strategy.getReplicationFactor("DC2") == 2;
        assert strategy.getReplicationFactor("DC3") == 1;
        // Query for the natural hosts
        ArrayList<InetAddress> endpoints = strategy.getNaturalEndpoints(new StringToken("123"));
        assert 6 == endpoints.size();
        assert 6 == new HashSet<InetAddress>(endpoints).size(); // ensure uniqueness
    }
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        NetworkTopologyStrategy strategy = new NetworkTopologyStrategy(keyspaceName, metadata, snitch, configOptions);
        assert strategy.getReplicationFactor("DC1") == 3;
        assert strategy.getReplicationFactor("DC2") == 3;
        assert strategy.getReplicationFactor("DC3") == 0;
        // Query for the natural hosts
        ArrayList<InetAddress> endpoints = strategy.getNaturalEndpoints(new StringToken("123"));
        assert 6 == endpoints.size();
        assert 6 == new HashSet<InetAddress>(endpoints).size(); // ensure uniqueness
    }
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            {
                for (int ep = 1; ep <= dcEndpoints[dc]/dcRacks[dc]; ++ep)
                {
                    byte[] ipBytes = new byte[]{10, (byte)dc, (byte)rack, (byte)ep};
                    InetAddress address = InetAddress.getByAddress(ipBytes);
                    StringToken token = new StringToken(String.format("%02x%02x%02x", ep, rack, dc));
                    logger.debug("adding node " + address + " at " + token);
                    tokens.put(address, token);
                }
            }
        }
        metadata.updateNormalTokens(tokens);

        NetworkTopologyStrategy strategy = new NetworkTopologyStrategy(keyspaceName, metadata, snitch, configOptions);

        for (String testToken : new String[]{"123456", "200000", "000402", "ffffff", "400200"})
        {
            List<InetAddress> endpoints = strategy.calculateNaturalEndpoints(new StringToken(testToken), metadata);
            Set<InetAddress> epSet = new HashSet<InetAddress>(endpoints);

            Assert.assertEquals(totalRF, endpoints.size());
            Assert.assertEquals(totalRF, epSet.size());
            logger.debug(testToken + ": " + endpoints.toString());
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        tokenFactory(metadata, "ABC", new byte[]{ 10, 20, 114, 15 });
    }

    public void tokenFactory(TokenMetadata metadata, String token, byte[] bytes) throws UnknownHostException
    {
        Token token1 = new StringToken(token);
        InetAddress add1 = InetAddress.getByAddress(bytes);
        metadata.updateNormalToken(token1, add1);
    }
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        NetworkTopologyStrategy strategy = new NetworkTopologyStrategy(table, metadata, snitch, configOptions);
        assert strategy.getReplicationFactor("DC1") == 3;
        assert strategy.getReplicationFactor("DC2") == 2;
        assert strategy.getReplicationFactor("DC3") == 1;
        // Query for the natural hosts
        ArrayList<InetAddress> endpoints = strategy.getNaturalEndpoints(new StringToken("123"));
        assert 6 == endpoints.size();
        assert 6 == new HashSet<InetAddress>(endpoints).size(); // ensure uniqueness
    }
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        NetworkTopologyStrategy strategy = new NetworkTopologyStrategy(table, metadata, snitch, configOptions);
        assert strategy.getReplicationFactor("DC1") == 3;
        assert strategy.getReplicationFactor("DC2") == 3;
        assert strategy.getReplicationFactor("DC3") == 0;
        // Query for the natural hosts
        ArrayList<InetAddress> endpoints = strategy.getNaturalEndpoints(new StringToken("123"));
        assert 6 == endpoints.size();
        assert 6 == new HashSet<InetAddress>(endpoints).size(); // ensure uniqueness
    }
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            {
                for (int ep = 1; ep <= dcEndpoints[dc]/dcRacks[dc]; ++ep)
                {
                    byte[] ipBytes = new byte[]{10, (byte)dc, (byte)rack, (byte)ep};
                    InetAddress address = InetAddress.getByAddress(ipBytes);
                    StringToken token = new StringToken(String.format("%02x%02x%02x", ep, rack, dc));
                    logger.debug("adding node " + address + " at " + token);
                    tokens.put(address, token);
                }
            }
        }
        metadata.updateNormalTokens(tokens);

        NetworkTopologyStrategy strategy = new NetworkTopologyStrategy(table, metadata, snitch, configOptions);

        for (String testToken : new String[]{"123456", "200000", "000402", "ffffff", "400200"})
        {
            List<InetAddress> endpoints = strategy.calculateNaturalEndpoints(new StringToken(testToken), metadata);
            Set<InetAddress> epSet = new HashSet<InetAddress>(endpoints);

            Assert.assertEquals(totalRF, endpoints.size());
            Assert.assertEquals(totalRF, epSet.size());
            logger.debug(testToken + ": " + endpoints.toString());
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        tokenFactory(metadata, "ABC", new byte[]{ 10, 20, 114, 15 });
    }

    public void tokenFactory(TokenMetadata metadata, String token, byte[] bytes) throws UnknownHostException
    {
        Token token1 = new StringToken(token);
        InetAddress add1 = InetAddress.getByAddress(bytes);
        metadata.updateNormalToken(token1, add1);
    }
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    public void testPrimaryRangesWithNetworkTopologyStrategy() throws Exception
    {
        TokenMetadata metadata = StorageService.instance.getTokenMetadata();
        metadata.clearUnsafe();
        // DC1
        metadata.updateNormalToken(new StringToken("A"), InetAddress.getByName("127.0.0.1"));
        metadata.updateNormalToken(new StringToken("C"), InetAddress.getByName("127.0.0.2"));
        // DC2
        metadata.updateNormalToken(new StringToken("B"), InetAddress.getByName("127.0.0.4"));
        metadata.updateNormalToken(new StringToken("D"), InetAddress.getByName("127.0.0.5"));

        Map<String, String> configOptions = new HashMap<String, String>();
        configOptions.put("DC1", "1");
        configOptions.put("DC2", "1");

        Keyspace.clear("Keyspace1");
        KSMetaData meta = KSMetaData.newKeyspace("Keyspace1", "NetworkTopologyStrategy", configOptions, false);
        Schema.instance.setKeyspaceDefinition(meta);

        Collection<Range<Token>> primaryRanges = StorageService.instance.getPrimaryRangesForEndpoint(meta.name, InetAddress.getByName("127.0.0.1"));
        assert primaryRanges.size() == 1;
        assert primaryRanges.contains(new Range<Token>(new StringToken("D"), new StringToken("A")));

        primaryRanges = StorageService.instance.getPrimaryRangesForEndpoint(meta.name, InetAddress.getByName("127.0.0.2"));
        assert primaryRanges.size() == 1;
        assert primaryRanges.contains(new Range<Token>(new StringToken("B"), new StringToken("C")));

        primaryRanges = StorageService.instance.getPrimaryRangesForEndpoint(meta.name, InetAddress.getByName("127.0.0.4"));
        assert primaryRanges.size() == 1;
        assert primaryRanges.contains(new Range<Token>(new StringToken("A"), new StringToken("B")));

        primaryRanges = StorageService.instance.getPrimaryRangesForEndpoint(meta.name, InetAddress.getByName("127.0.0.5"));
        assert primaryRanges.size() == 1;
        assert primaryRanges.contains(new Range<Token>(new StringToken("C"), new StringToken("D")));
    }
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Related Classes of org.apache.cassandra.dht.StringToken

  • org.apache.cassandra.db.BootstrapTest
  • org.apache.cassandra.locator.DatacenterShardStrategyTest
  • org.apache.cassandra.locator.NetworkTopologyStrategyTest
  • org.apache.cassandra.locator.RackUnawareStrategyTest
  • org.apache.cassandra.service.StorageServiceServerTest
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