Package org.apache.cassandra.dht

Examples of org.apache.cassandra.dht.BigIntegerToken

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    public void testMoveLeft() throws UnknownHostException
    {
        // Moves to the left : nothing to fetch, last part to stream

        int movingNodeIdx = 1;
        BigIntegerToken newToken = new BigIntegerToken("21267647932558653966460912964485513216");
        BigIntegerToken[] tokens = initTokens();
        BigIntegerToken[] tokensAfterMove = initTokensAfterMove(tokens, movingNodeIdx, newToken);
        Pair<Set<Range<Token>>, Set<Range<Token>>> ranges = calculateStreamAndFetchRanges(tokens, tokensAfterMove, movingNodeIdx);

        assertEquals(ranges.left.iterator().next().left, tokensAfterMove[movingNodeIdx]);
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    public void testMoveRight() throws UnknownHostException
    {
        // Moves to the right : last part to fetch, nothing to stream

        int movingNodeIdx = 1;
        BigIntegerToken newToken = new BigIntegerToken("35267647932558653966460912964485513216");
        BigIntegerToken[] tokens = initTokens();
        BigIntegerToken[] tokensAfterMove = initTokensAfterMove(tokens, movingNodeIdx, newToken);
        Pair<Set<Range<Token>>, Set<Range<Token>>> ranges = calculateStreamAndFetchRanges(tokens, tokensAfterMove, movingNodeIdx);

        assertEquals("No data should be streamed", ranges.left.size(), 0);
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    {
        // moves to another position in the middle of the ring : should stream all its data, and fetch all its new data

        int movingNodeIdx = 1;
        int movingNodeIdxAfterMove = 4;
        BigIntegerToken newToken = new BigIntegerToken("90070591730234615865843651857942052864");
        BigIntegerToken[] tokens = initTokens();
        BigIntegerToken[] tokensAfterMove = initTokensAfterMove(tokens, movingNodeIdx, newToken);
        Pair<Set<Range<Token>>, Set<Range<Token>>> ranges = calculateStreamAndFetchRanges(tokens, tokensAfterMove, movingNodeIdx);

        // sort the results, so they can be compared
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    {
        // moves after its next neighbor in the ring

        int movingNodeIdx = 1;
        int movingNodeIdxAfterMove = 2;
        BigIntegerToken newToken = new BigIntegerToken("52535295865117307932921825928971026432");
        BigIntegerToken[] tokens = initTokens();
        BigIntegerToken[] tokensAfterMove = initTokensAfterMove(tokens, movingNodeIdx, newToken);
        Pair<Set<Range<Token>>, Set<Range<Token>>> ranges = calculateStreamAndFetchRanges(tokens, tokensAfterMove, movingNodeIdx);

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    {
        // moves before its previous neighbor in the ring

        int movingNodeIdx = 1;
        int movingNodeIdxAfterMove = 7;
        BigIntegerToken newToken = new BigIntegerToken("158873535527910577765226390751398592512");
        BigIntegerToken[] tokens = initTokens();
        BigIntegerToken[] tokensAfterMove = initTokensAfterMove(tokens, movingNodeIdx, newToken);
        Pair<Set<Range<Token>>, Set<Range<Token>>> ranges = calculateStreamAndFetchRanges(tokens, tokensAfterMove, movingNodeIdx);

        Range[] toStream = ranges.left.toArray(new Range[0]);
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    }

    private BigIntegerToken[] initTokens()
    {
        BigIntegerToken[] tokens = new BigIntegerToken[] {
                new BigIntegerToken("0"), // just to be able to test
                new BigIntegerToken("34028236692093846346337460743176821145"),
                new BigIntegerToken("42535295865117307932921825928971026432"),
                new BigIntegerToken("63802943797675961899382738893456539648"),
                new BigIntegerToken("85070591730234615865843651857942052864"),
                new BigIntegerToken("106338239662793269832304564822427566080"),
                new BigIntegerToken("127605887595351923798765477786913079296"),
                new BigIntegerToken("148873535527910577765226390751398592512")
        };
        return tokens;
    }
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    }

    public void setup(Class stratClass, Map<String, String> strategyOptions) throws Exception
    {
        tmd = new TokenMetadata();
        searchToken = new BigIntegerToken(String.valueOf(15));

        strategy = getStrategyWithNewTokenMetadata(Keyspace.open(KEYSPACE).getReplicationStrategy(), tmd);

        tmd.updateNormalToken(new BigIntegerToken(String.valueOf(10)), InetAddress.getByName("127.0.0.1"));
        tmd.updateNormalToken(new BigIntegerToken(String.valueOf(20)), InetAddress.getByName("127.0.0.2"));
        tmd.updateNormalToken(new BigIntegerToken(String.valueOf(30)), InetAddress.getByName("127.0.0.3"));
        tmd.updateNormalToken(new BigIntegerToken(String.valueOf(40)), InetAddress.getByName("127.0.0.4"));
        //tmd.updateNormalToken(new BigIntegerToken(String.valueOf(50)), InetAddress.getByName("127.0.0.5"));
        tmd.updateNormalToken(new BigIntegerToken(String.valueOf(60)), InetAddress.getByName("127.0.0.6"));
        tmd.updateNormalToken(new BigIntegerToken(String.valueOf(70)), InetAddress.getByName("127.0.0.7"));
        tmd.updateNormalToken(new BigIntegerToken(String.valueOf(80)), InetAddress.getByName("127.0.0.8"));
    }
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        endpoints = strategy.getNaturalEndpoints(searchToken);
        assert endpoints.size() == 5 : StringUtils.join(endpoints, ",");

        // test token addition, in DC2 before existing token
        initial = strategy.getNaturalEndpoints(searchToken);
        tmd.updateNormalToken(new BigIntegerToken(String.valueOf(35)), InetAddress.getByName("127.0.0.5"));
        endpoints = strategy.getNaturalEndpoints(searchToken);
        assert endpoints.size() == 5 : StringUtils.join(endpoints, ",");
        assert !endpoints.equals(initial);

        // test token removal, newly created token
        initial = strategy.getNaturalEndpoints(searchToken);
        tmd.removeEndpoint(InetAddress.getByName("127.0.0.5"));
        endpoints = strategy.getNaturalEndpoints(searchToken);
        assert endpoints.size() == 5 : StringUtils.join(endpoints, ",");
        assert !endpoints.contains(InetAddress.getByName("127.0.0.5"));
        assert !endpoints.equals(initial);

        // test token change
        initial = strategy.getNaturalEndpoints(searchToken);
        //move .8 after search token but before other DC3
        tmd.updateNormalToken(new BigIntegerToken(String.valueOf(25)), InetAddress.getByName("127.0.0.8"));
        endpoints = strategy.getNaturalEndpoints(searchToken);
        assert endpoints.size() == 5 : StringUtils.join(endpoints, ",");
        assert !endpoints.equals(initial);
    }
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    private AbstractReplicationStrategy strategy;

    public void setup(Class stratClass, Map<String, String> strategyOptions) throws Exception
    {
        tmd = new TokenMetadata();
        searchToken = new BigIntegerToken(String.valueOf(15));

        strategy = getStrategyWithNewTokenMetadata(Keyspace.open("Keyspace3").getReplicationStrategy(), tmd);

        tmd.updateNormalToken(new BigIntegerToken(String.valueOf(10)), InetAddress.getByName("127.0.0.1"));
        tmd.updateNormalToken(new BigIntegerToken(String.valueOf(20)), InetAddress.getByName("127.0.0.2"));
        tmd.updateNormalToken(new BigIntegerToken(String.valueOf(30)), InetAddress.getByName("127.0.0.3"));
        tmd.updateNormalToken(new BigIntegerToken(String.valueOf(40)), InetAddress.getByName("127.0.0.4"));
        //tmd.updateNormalToken(new BigIntegerToken(String.valueOf(50)), InetAddress.getByName("127.0.0.5"));
        tmd.updateNormalToken(new BigIntegerToken(String.valueOf(60)), InetAddress.getByName("127.0.0.6"));
        tmd.updateNormalToken(new BigIntegerToken(String.valueOf(70)), InetAddress.getByName("127.0.0.7"));
        tmd.updateNormalToken(new BigIntegerToken(String.valueOf(80)), InetAddress.getByName("127.0.0.8"));
    }
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        endpoints = strategy.getNaturalEndpoints(searchToken);
        assert endpoints.size() == 5 : StringUtils.join(endpoints, ",");

        // test token addition, in DC2 before existing token
        initial = strategy.getNaturalEndpoints(searchToken);
        tmd.updateNormalToken(new BigIntegerToken(String.valueOf(35)), InetAddress.getByName("127.0.0.5"));
        endpoints = strategy.getNaturalEndpoints(searchToken);
        assert endpoints.size() == 5 : StringUtils.join(endpoints, ",");
        assert !endpoints.equals(initial);

        // test token removal, newly created token
        initial = strategy.getNaturalEndpoints(searchToken);
        tmd.removeEndpoint(InetAddress.getByName("127.0.0.5"));
        endpoints = strategy.getNaturalEndpoints(searchToken);
        assert endpoints.size() == 5 : StringUtils.join(endpoints, ",");
        assert !endpoints.contains(InetAddress.getByName("127.0.0.5"));
        assert !endpoints.equals(initial);

        // test token change
        initial = strategy.getNaturalEndpoints(searchToken);
        //move .8 after search token but before other DC3
        tmd.updateNormalToken(new BigIntegerToken(String.valueOf(25)), InetAddress.getByName("127.0.0.8"));
        endpoints = strategy.getNaturalEndpoints(searchToken);
        assert endpoints.size() == 5 : StringUtils.join(endpoints, ",");
        assert !endpoints.equals(initial);
    }
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  • lucandra.dht.RandomPartitioner
  • org.apache.cassandra.bulkloader.CassandraBulkLoader$Reduce
  • org.apache.cassandra.locator.OldNetworkTopologyStrategyTest
  • org.apache.cassandra.locator.RackAwareStrategyTest
  • org.apache.cassandra.locator.RackUnawareStrategyTest
  • org.apache.cassandra.locator.ReplicationStrategyEndpointCacheTest
  • org.apache.cassandra.service.MoveTest
  • org.apache.cassandra.service.RelocateTest
  • org.apache.cassandra.Util
  • org.apache.cassandra.utils.MerkleTreeTest
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