Examples of IPartitioner

Examples of org.apache.cassandra.dht.IPartitioner

    /**
     * Remove stored token being used by another node
     */
    public static synchronized void removeToken(Token token)
    {
        IPartitioner p = StorageService.getPartitioner();
        RowMutation rm = new RowMutation(Table.SYSTEM_TABLE, RING_KEY);
        rm.delete(new QueryPath(STATUS_CF, null, p.getTokenFactory().toByteArray(token)), System.currentTimeMillis());
        try
        {
            rm.apply();
        }
        catch (IOException e)

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Examples of org.apache.cassandra.dht.IPartitioner

    /**
     * This method is used to update the System Table with the new token for this node
    */
    public static synchronized void updateToken(Token token)
    {
        IPartitioner p = StorageService.getPartitioner();
        ColumnFamily cf = ColumnFamily.create(Table.SYSTEM_TABLE, STATUS_CF);
        cf.addColumn(new Column(SystemTable.TOKEN, p.getTokenFactory().toByteArray(token), System.currentTimeMillis()));
        RowMutation rm = new RowMutation(Table.SYSTEM_TABLE, LOCATION_KEY);
        rm.add(cf);
        try
        {
            rm.apply();

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Examples of org.apache.cassandra.dht.IPartitioner

     *
     */
    public static HashMap<Token, InetAddress> loadTokens()
    {
        HashMap<Token, InetAddress> tokenMap = new HashMap<Token, InetAddress>();
        IPartitioner p = StorageService.getPartitioner();
        Table table = Table.open(Table.SYSTEM_TABLE);
        QueryFilter filter = QueryFilter.getIdentityFilter(decorate(RING_KEY), new QueryPath(STATUS_CF));
        ColumnFamily cf = table.getColumnFamilyStore(STATUS_CF).getColumnFamily(filter);
        if (cf != null)
        {
            for (IColumn column : cf.getSortedColumns())
            {
                try
                {
                    ByteBuffer v = column.value();
                    byte[] addr = new byte[v.remaining()];
                    ByteBufferUtil.arrayCopy(v, v.position(), addr, 0, v.remaining());
                    tokenMap.put(p.getTokenFactory().fromByteArray(column.name()), InetAddress.getByAddress(addr));
                }
                catch (UnknownHostException e)
                {
                    throw new IOError(e);
                }

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Examples of org.apache.cassandra.dht.IPartitioner

        return keys;
    }


    private void transfer(Table table, SSTableReader sstable) throws Exception
    {
        IPartitioner p = StorageService.getPartitioner();
        List<Range<Token>> ranges = new ArrayList<Range<Token>>();
        ranges.add(new Range<Token>(p.getMinimumToken(), p.getToken(ByteBufferUtil.bytes("key1"))));
        ranges.add(new Range<Token>(p.getToken(ByteBufferUtil.bytes("key2")), p.getMinimumToken()));
        StreamOutSession session = StreamOutSession.create(table.name, LOCAL, null);
        StreamOut.transferSSTables(session, Arrays.asList(sstable), ranges, OperationType.BOOTSTRAP);
        session.await();
    }

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Examples of org.apache.cassandra.dht.IPartitioner


        // confirm that the secondary index was recovered
        for (String key : keys)
        {
            long val = key.hashCode();
            IPartitioner p = StorageService.getPartitioner();
            IndexExpression expr = new IndexExpression(ByteBufferUtil.bytes("birthdate"),
                                                       IndexOperator.EQ,
                                                       ByteBufferUtil.bytes(val));
            List<IndexExpression> clause = Arrays.asList(expr);
            IFilter filter = new IdentityQueryFilter();

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Examples of org.apache.cassandra.dht.IPartitioner

        content.add("transfer2");
        content.add("transfer3");
        SSTableReader sstable2 = SSTableUtils.prepare().write(content);


        // transfer the first and last key
        IPartitioner p = StorageService.getPartitioner();
        List<Range<Token>> ranges = new ArrayList<Range<Token>>();
        ranges.add(new Range<Token>(p.getMinimumToken(), p.getToken(ByteBufferUtil.bytes("test"))));
        ranges.add(new Range<Token>(p.getToken(ByteBufferUtil.bytes("transfer2")), p.getMinimumToken()));
        // Acquiring references, transferSSTables needs it
        sstable.acquireReference();
        sstable2.acquireReference();
        StreamOutSession session = StreamOutSession.create(tablename, LOCAL, null);
        StreamOut.transferSSTables(session, Arrays.asList(sstable, sstable2), ranges, OperationType.BOOTSTRAP);

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Examples of org.apache.cassandra.dht.IPartitioner


    @Test
    public void testTransferOfMultipleColumnFamilies() throws Exception
    {
        String keyspace = "KeyCacheSpace";
        IPartitioner p = StorageService.getPartitioner();
        String[] columnFamilies = new String[] { "Standard1", "Standard2", "Standard3" };
        List<SSTableReader> ssTableReaders = new ArrayList<SSTableReader>();


        NavigableMap<DecoratedKey,String> keys = new TreeMap<DecoratedKey,String>();
        for (String cf : columnFamilies)
        {
            Set<String> content = new HashSet<String>();
            content.add("data-" + cf + "-1");
            content.add("data-" + cf + "-2");
            content.add("data-" + cf + "-3");
            SSTableUtils.Context context = SSTableUtils.prepare().ks(keyspace).cf(cf);
            ssTableReaders.add(context.write(content));


            // collect dks for each string key
            for (String str : content)
                keys.put(Util.dk(str), cf);
        }


        // transfer the first and last keys
        Map.Entry<DecoratedKey,String> first = keys.firstEntry();
        Map.Entry<DecoratedKey,String> last = keys.lastEntry();
        Map.Entry<DecoratedKey,String> secondtolast = keys.lowerEntry(last.getKey());
        List<Range<Token>> ranges = new ArrayList<Range<Token>>();
        ranges.add(new Range<Token>(p.getMinimumToken(), first.getKey().token));
        // the left hand side of the range is exclusive, so we transfer from the second-to-last token
        ranges.add(new Range<Token>(secondtolast.getKey().token, p.getMinimumToken()));


        // Acquiring references, transferSSTables needs it
        if (!SSTableReader.acquireReferences(ssTableReaders))
            throw new AssertionError();

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Examples of org.apache.cassandra.dht.IPartitioner


    @Test
    public void testValidatorAdd() throws Throwable
    {
        Validator validator = new Validator(request);
        IPartitioner part = validator.tree.partitioner();
        Token mid = part.midpoint(local_range.left, local_range.right);
        validator.prepare(store);


        // add a row
        validator.add(new PrecompactedRow(new DecoratedKey(mid, ByteBufferUtil.bytes("inconceivable!")),
                                          ColumnFamily.create(Schema.instance.getCFMetaData(tablename, cfname))));

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Examples of org.apache.cassandra.dht.IPartitioner


        // verify we get it back w/ index query too
        IndexExpression expr = new IndexExpression(COLUMN, IndexOperator.EQ, VALUE);
        List<IndexExpression> clause = Arrays.asList(expr);
        IFilter filter = new IdentityQueryFilter();
        IPartitioner p = StorageService.getPartitioner();
        Range<RowPosition> range = Util.range("", "");
        rows = table.getColumnFamilyStore(CF1).search(clause, range, Integer.MAX_VALUE, filter);
        assertEquals(LOOPS, rows.size());


        // we don't allow cleanup when the local host has no range to avoid wipping up all data when a node has not join the ring.

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Examples of org.apache.cassandra.dht.IPartitioner

    }
    
    private void testTreeResponseWrite() throws IOException
    {
        AntiEntropyService.Validator v0 = new AntiEntropyService.Validator(Statics.req);
        IPartitioner part = new RandomPartitioner();
        MerkleTree mt = new MerkleTree(part, FULL_RANGE, MerkleTree.RECOMMENDED_DEPTH, Integer.MAX_VALUE);
        List<Token> tokens = new ArrayList<Token>();
        for (int i = 0; i < 10; i++)
        {
            Token t = part.getRandomToken();
            tokens.add(t);
            mt.split(t);
        }
        AntiEntropyService.Validator v1 = new AntiEntropyService.Validator(Statics.req, mt);
        DataOutputStream out = getOutput("service.TreeResponse.bin");

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