Examples of IPartitioner

Examples of org.apache.cassandra.dht.IPartitioner

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        rm.apply();

        IndexExpression expr = new IndexExpression(ByteBufferUtil.bytes("birthdate"), IndexOperator.EQ, ByteBufferUtil.bytes(1L));
        IndexClause clause = new IndexClause(Arrays.asList(expr), ByteBufferUtil.EMPTY_BYTE_BUFFER, 100);
        IFilter filter = new IdentityQueryFilter();
        IPartitioner p = StorageService.getPartitioner();
        Range range = new Range(p.getMinimumToken(), p.getMinimumToken());
        List<Row> rows = table.getColumnFamilyStore("Indexed1").scan(clause, range, filter);
        assert rows.size() == 0;

        expr = new IndexExpression(ByteBufferUtil.bytes("birthdate"), IndexOperator.EQ, ByteBufferUtil.bytes(2L));
        clause = new IndexClause(Arrays.asList(expr), ByteBufferUtil.EMPTY_BYTE_BUFFER, 100);
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Examples of org.apache.cassandra.dht.IPartitioner

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        // basic single-expression query
        IndexExpression expr1 = new IndexExpression(ByteBufferUtil.bytes("birthdate"), IndexOperator.EQ, ByteBufferUtil.bytes(1L));
        IndexExpression expr2 = new IndexExpression(ByteBufferUtil.bytes("notbirthdate"), IndexOperator.GT, ByteBufferUtil.bytes(1L));
        IndexClause clause = new IndexClause(Arrays.asList(new IndexExpression[]{ expr1, expr2 }), ByteBufferUtil.EMPTY_BYTE_BUFFER, 1);
        IFilter filter = new IdentityQueryFilter();
        IPartitioner p = StorageService.getPartitioner();
        Range range = new Range(p.getMinimumToken(), p.getMinimumToken());
        List<Row> rows = Table.open("Keyspace1").getColumnFamilyStore("Indexed1").scan(clause, range, filter);

        assert rows != null;
        assert rows.size() == 1 : StringUtils.join(rows, ",");
    }
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Examples of org.apache.cassandra.dht.IPartitioner

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    private void queryBirthdate(Table table) throws CharacterCodingException
    {
        IndexExpression expr = new IndexExpression(ByteBufferUtil.bytes("birthdate"), IndexOperator.EQ, ByteBufferUtil.bytes(1L));
        IndexClause clause = new IndexClause(Arrays.asList(expr), ByteBufferUtil.EMPTY_BYTE_BUFFER, 100);
        IFilter filter = new IdentityQueryFilter();
        IPartitioner p = StorageService.getPartitioner();
        Range range = new Range(p.getMinimumToken(), p.getMinimumToken());
        List<Row> rows = table.getColumnFamilyStore("Indexed2").scan(clause, range, filter);
        assert rows.size() == 1 : StringUtils.join(rows, ",");
        assertEquals("k1", ByteBufferUtil.string(rows.get(0).key.key));
    }
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Examples of org.apache.cassandra.dht.IPartitioner

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        SliceRange nonEmptySliceRange = new SliceRange(startCol, stopCol, true, 100);
        SlicePredicate emptyRangePred = new SlicePredicate();
        emptyRangePred.slice_range = emptySliceRange;
        SlicePredicate nonEmptyRangePred = new SlicePredicate();
        nonEmptyRangePred.slice_range = nonEmptySliceRange;
        IPartitioner part = StorageService.getPartitioner();
        AbstractBounds bounds = new Range(part.getRandomToken(), part.getRandomToken());
       
        Message namesCmd = new RangeSliceCommand(Statics.KS, "Standard1", null, namesPred, bounds, 100).getMessage();
        Message emptyRangeCmd = new RangeSliceCommand(Statics.KS, "Standard1", null, emptyRangePred, bounds, 100).getMessage();
        Message regRangeCmd = new RangeSliceCommand(Statics.KS, "Standard1", null,  nonEmptyRangePred, bounds, 100).getMessage();
        Message namesCmdSup = new RangeSliceCommand(Statics.KS, "Super1", Statics.SC, namesPred, bounds, 100).getMessage();
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Examples of org.apache.cassandra.dht.IPartitioner

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        StorageService ss = StorageService.instance;
        final int RING_SIZE = 3;

        TokenMetadata tmd = ss.getTokenMetadata();
        tmd.clearUnsafe();
        IPartitioner partitioner = new RandomPartitioner();

        ss.setPartitionerUnsafe(partitioner);

        ArrayList<Token> endpointTokens = new ArrayList<Token>();
        ArrayList<Token> keyTokens = new ArrayList<Token>();
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Examples of org.apache.cassandra.dht.IPartitioner

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        cfs.buildSecondaryIndexes(cfs.getSSTables(), cfs.getIndexedColumns());
       
        IndexExpression expr = new IndexExpression(ByteBufferUtil.bytes("birthdate"), IndexOperator.EQ, ByteBufferUtil.bytes(1L));
        IndexClause clause = new IndexClause(Arrays.asList(expr), ByteBufferUtil.EMPTY_BYTE_BUFFER, 100);
        IFilter filter = new IdentityQueryFilter();
        IPartitioner p = StorageService.getPartitioner();
        Range range = new Range(p.getMinimumToken(), p.getMinimumToken());
        List<Row> rows = cfs.scan(clause, range, filter);
       
        assertEquals("IndexExpression should return two rows on recoverAndOpen", 2, rows.size());
        assertTrue("First result should be 'k1'",ByteBufferUtil.bytes("k1").equals(rows.get(0).key.key));
    }
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Examples of org.apache.cassandra.dht.IPartitioner

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    }

    public static List<Row> scan(final String keyspace, String column_family, IndexClause index_clause, SlicePredicate column_predicate, ConsistencyLevel consistency_level)
    throws IOException, TimeoutException, UnavailableException
    {
        IPartitioner p = StorageService.getPartitioner();

        Token leftToken = index_clause.start_key == null ? p.getMinimumToken() : p.getToken(index_clause.start_key);
        List<AbstractBounds> ranges = getRestrictedRanges(new Bounds(leftToken, p.getMinimumToken()));
        logger.debug("scan ranges are " + StringUtils.join(ranges, ","));

        // now scan until we have enough results
        List<Row> rows = new ArrayList<Row>(index_clause.count);
        for (AbstractBounds range : ranges)
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Examples of org.apache.cassandra.dht.IPartitioner

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            throw newInvalidRequestException("exactly one of {start key, end key} or {start token, end token} must be specified");
        }

        if (range.start_key != null)
        {
            IPartitioner p = StorageService.getPartitioner();
            Token startToken = p.getToken(range.start_key);
            Token endToken = p.getToken(range.end_key);
            if (startToken.compareTo(endToken) > 0 && !endToken.equals(p.getMinimumToken()))
            {
                if (p instanceof RandomPartitioner)
                    throw newInvalidRequestException("start key's md5 sorts after end key's md5.  this is not allowed; you probably should not specify end key at all, under RandomPartitioner");
                else
                    throw newInvalidRequestException("start key must sort before (or equal to) finish key in your partitioner!");
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Examples of org.apache.cassandra.dht.IPartitioner

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            throw new InvalidRequestException("exactly one of {start key, end key} or {start token, end token} must be specified");
        }

        if (range.start_key != null)
        {
            IPartitioner p = StorageService.getPartitioner();
            Token startToken = p.getToken(range.start_key);
            Token endToken = p.getToken(range.end_key);
            if (startToken.compareTo(endToken) > 0 && !endToken.equals(p.getMinimumToken()))
            {
                if (p instanceof RandomPartitioner)
                    throw new InvalidRequestException("start key's md5 sorts after end key's md5.  this is not allowed; you probably should not specify end key at all, under RandomPartitioner");
                else
                    throw new InvalidRequestException("start key must sort before (or equal to) finish key in your partitioner!");
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Examples of org.apache.cassandra.dht.IPartitioner

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    /**
     * Record token being used by another node
     */
    public static synchronized void updateToken(InetAddress ep, Token token)
    {
        IPartitioner p = StorageService.getPartitioner();
        ColumnFamily cf = ColumnFamily.create(Table.SYSTEM_TABLE, STATUS_CF);
        cf.addColumn(new Column(p.getTokenFactory().toByteArray(token), ByteBuffer.wrap(ep.getAddress()), System.currentTimeMillis()));
        RowMutation rm = new RowMutation(Table.SYSTEM_TABLE, RING_KEY);
        rm.add(cf);
        try
        {
            rm.apply();
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