Examples of org.apache.cassandra.db.composites.CellName

Package org.apache.cassandra.db.composites

Examples of org.apache.cassandra.db.composites.CellName

org.apache.cassandra.db.composites.CellName
A CellName is a Composite, but for which, for the sake of CQL3, we distinguish different parts: a CellName has first a number of clustering components, followed by the CQL3 column name, and then possibly followed by a collection element part. The clustering prefix can itself be composed of multiple component. It can also be empty if the table has no clustering keys. In general, the CQL3 column name follows. However, some type of COMPACT STORAGE layout do not store the CQL3 column name in the cell name and so this part can be null (we call "dense" the cells whose name don't store the CQL3 column name). Lastly, if the cell is part of a CQL3 collection, we'll have a last component (a UUID for lists, an element for sets and a key for maps).

        return deserialize(in, flag, Integer.MIN_VALUE);
    }


    public Cell deserialize(DataInput in, ColumnSerializer.Flag flag, int expireBefore) throws IOException
    {
        CellName name = type.cellSerializer().deserialize(in);


        int b = in.readUnsignedByte();
        return deserializeColumnBody(in, name, b, flag, expireBefore);
    }

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            Term.Terminal key = t.bind(params.variables);
            if (key == null)
                throw new InvalidRequestException("Invalid null map key");
            assert key instanceof Constants.Value;


            CellName cellName = cf.getComparator().create(prefix, column.name, ((Constants.Value)key).bytes);
            cf.addColumn(params.makeTombstone(cellName));
        }

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            super(column, t);
        }


        public void execute(ByteBuffer rowKey, ColumnFamily cf, Composite prefix, UpdateParameters params) throws InvalidRequestException
        {
            CellName cname = cf.getComparator().create(prefix, column.name);
            ByteBuffer value = t.bindAndGet(params.variables);
            cf.addColumn(value == null ? params.makeTombstone(cname) : params.makeColumn(cname, value));
        }

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        {
            ByteBuffer bytes = t.bindAndGet(params.variables);
            if (bytes == null)
                throw new InvalidRequestException("Invalid null value for counter increment");
            long increment = ByteBufferUtil.toLong(bytes);
            CellName cname = cf.getComparator().create(prefix, column.name);
            cf.addCounter(cname, increment);
        }

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            long increment = ByteBufferUtil.toLong(bytes);
            if (increment == Long.MIN_VALUE)
                throw new InvalidRequestException("The negation of " + increment + " overflows supported counter precision (signed 8 bytes integer)");


            CellName cname = cf.getComparator().create(prefix, column.name);
            cf.addCounter(cname, -increment);
        }

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            super(column, null);
        }


        public void execute(ByteBuffer rowKey, ColumnFamily cf, Composite prefix, UpdateParameters params) throws InvalidRequestException
        {
            CellName cname = cf.getComparator().create(prefix, column.name);
            if (column.type.isCollection())
                cf.addAtom(params.makeRangeTombstone(cname.slice()));
            else
                cf.addColumn(params.makeTombstone(cname));
        }

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        if (ranges.isEmpty())
            return;


        Iterator<CellName> toFetch = columnNames.iterator();
        CellName nextToFetch = toFetch.next();
        for (IndexHelper.IndexInfo indexInfo : ranges)
        {
            long positionToSeek = basePosition + indexInfo.offset;


            // With new promoted indexes, our first seek in the data file will happen at that point.

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        ColumnFamilyStore cfs = keyspace.getColumnFamilyStore("StandardGCGS0");
        cfs.disableAutoCompaction();


        Mutation rm;
        DecoratedKey dk = Util.dk("key1");
        CellName cellName = Util.cellname("Column1");


        // add data
        rm = new Mutation(keyspace.getName(), dk.key);
        rm.add(cfs.name, cellName, ByteBufferUtil.bytes("asdf"), 0);
        rm.apply();

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    public CFRowAdder addMapEntry(String cql3ColumnName, Object key, Object value)
    {
        ColumnDefinition def = getDefinition(cql3ColumnName);
        assert def.type instanceof MapType;
        MapType mt = (MapType)def.type;
        CellName name = cf.getComparator().create(prefix, def.name, mt.keys.decompose(key));
        return add(name, def, value);
    }

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    public CFRowAdder addListEntry(String cql3ColumnName, Object value)
    {
        ColumnDefinition def = getDefinition(cql3ColumnName);
        assert def.type instanceof ListType;
        CellName name = cf.getComparator().create(prefix, def.name, ByteBuffer.wrap(UUIDGen.getTimeUUIDBytes()));
        return add(name, def, value);
    }

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Related Classes of org.apache.cassandra.db.composites.CellName

com.stratio.cassandra.index.ClusteringKeyMapper

com.stratio.cassandra.index.ClusteringKeyMapperSorter

com.stratio.cassandra.index.FullKeyMapper

com.stratio.cassandra.index.FullKeyMapperDataRangeFilter

com.stratio.cassandra.index.FullKeyMapperRangeTombstoneFilter

com.stratio.cassandra.index.RegularCellsMapper

com.stratio.cassandra.index.RowComparatorNatural

com.stratio.cassandra.index.RowMapperWide

com.stratio.cassandra.index.RowService

com.stratio.cassandra.index.RowServiceWide

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