Examples of org.apache.cassandra.db.marshal.AbstractType

org.apache.cassandra.db.marshal.AbstractType
Specifies a Comparator for a specific type of ByteBuffer. Note that empty ByteBuffer are used to represent "start at the beginning" or "stop at the end" arguments to get_slice, so the Comparator should always handle those values even if they normally do not represent a valid ByteBuffer for the type being compared.

        return idGen.getAndIncrement();
    }


    public AbstractType getValueValidator(ByteBuffer column)
    {
        AbstractType validator = defaultValidator;
        ColumnDefinition columnDefinition = column_metadata.get(column);
        if (columnDefinition != null)
            validator = columnDefinition.getValidator();
        return validator;
    }

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            if (superColumnName.remaining() == 0)
                throw new InvalidRequestException("supercolumn name must not be empty");
            if (DatabaseDescriptor.getColumnFamilyType(keyspace, columnFamilyName) == ColumnFamilyType.Standard)
                throw new InvalidRequestException("supercolumn specified to ColumnFamily " + columnFamilyName + " containing normal columns");
        }
        AbstractType comparator = ColumnFamily.getComparatorFor(keyspace, columnFamilyName, superColumnName);
        for (ByteBuffer name : column_names)
        {
            if (name.remaining() > IColumn.MAX_NAME_LENGTH)
                throw new InvalidRequestException("column name length must not be greater than " + IColumn.MAX_NAME_LENGTH);
            if (name.remaining() == 0)
                throw new InvalidRequestException("column name must not be empty");
            try
            {
                comparator.validate(name);
            }
            catch (MarshalException e)
            {
                throw new InvalidRequestException(e.getMessage());
            }

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        validateColumnNames(keyspace, column_parent.column_family, column_parent.super_column, column_names);
    }


    public static void validateRange(String keyspace, ColumnParent column_parent, SliceRange range) throws InvalidRequestException
    {
        AbstractType comparator = ColumnFamily.getComparatorFor(keyspace, column_parent.column_family, column_parent.super_column);
        try
        {
            comparator.validate(range.start);
            comparator.validate(range.finish);
        }
        catch (MarshalException e)
        {
            throw new InvalidRequestException(e.getMessage());
        }

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    public static void validateColumnData(String keyspace, String column_family, Column column) throws InvalidRequestException
    {
        validateTtl(column);
        try
        {
            AbstractType validator = DatabaseDescriptor.getValueValidator(keyspace, column_family, column.name);
            if (validator != null)
                validator.validate(column.value);
        }
        catch (MarshalException me)
        {
            throw new InvalidRequestException(String.format("[%s][%s][%s] = [%s] failed validation (%s)",
                                                            keyspace,

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    throws InvalidRequestException
    {
        if (index_clause.expressions.isEmpty())
            throw new InvalidRequestException("index clause list may not be empty");
        Set<ByteBuffer> indexedColumns = Table.open(keyspace).getColumnFamilyStore(columnFamily).getIndexedColumns();
        AbstractType nameValidator =  ColumnFamily.getComparatorFor(keyspace, columnFamily, null);


        boolean isIndexed = false;
        for (IndexExpression expression : index_clause.expressions)
        {
            try
            {
                nameValidator.validate(expression.column_name);
            }
            catch (MarshalException me)
            {
                throw new InvalidRequestException(String.format("[%s]=[%s] failed name validation (%s)",
                                                                ByteBufferUtil.bytesToHex(expression.column_name),
                                                                ByteBufferUtil.bytesToHex(expression.value),
                                                                me.getMessage()));
            }


            AbstractType valueValidator = DatabaseDescriptor.getValueValidator(keyspace, columnFamily, expression.column_name);
            try
            {
                valueValidator.validate(expression.value);
            }
            catch (MarshalException me)
            {
                throw new InvalidRequestException(String.format("[%s]=[%s] failed value validation (%s)",
                                                                ByteBufferUtil.bytesToHex(expression.column_name),

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                throw new InvalidRequestException("subcomparator_type is invalid for standard columns");


            if (cf_def.column_metadata == null)
                return;


            AbstractType comparator = cfType == ColumnFamilyType.Standard
                                    ? DatabaseDescriptor.getComparator(cf_def.comparator_type)
                                    : DatabaseDescriptor.getComparator(cf_def.subcomparator_type);


            Set<String> indexNames = new HashSet<String>();
            for (ColumnDef c : cf_def.column_metadata)
            {
                // Ensure that given idx_names and auto_generated idx_names cannot collide
                String idxName = CFMetaData.indexName(cf_def.name, ColumnDefinition.fromColumnDef(c));
                if (indexNames.contains(idxName))
                    throw new InvalidRequestException("Duplicate index names " + idxName);
                indexNames.add(idxName);


                DatabaseDescriptor.getComparator(c.validation_class);


                try
                {
                    comparator.validate(c.name);
                }
                catch (MarshalException e)
                {
                    throw new InvalidRequestException(String.format("Column name %s is not valid for comparator %s",
                                                                    ByteBufferUtil.bytesToHex(c.name), cf_def.comparator_type));

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                {
                    throw new ConfigurationException("ColumnFamily name contains invalid characters.");
                }
                
                // Parse out the column comparators and validators
                AbstractType comparator = getComparator(cf.compare_with);
                AbstractType subcolumnComparator = null;
                AbstractType default_validator = getComparator(cf.default_validation_class);


                ColumnFamilyType cfType = cf.column_type == null ? ColumnFamilyType.Standard : cf.column_type;
                if (cfType == ColumnFamilyType.Super)
                {
                    subcolumnComparator = getComparator(cf.compare_subcolumns_with);

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    {
        assert info.getIndexType() != null;


        // create the index CFS
        IPartitioner rowPartitioner = StorageService.getPartitioner();
        AbstractType columnComparator = (rowPartitioner instanceof OrderPreservingPartitioner || rowPartitioner instanceof ByteOrderedPartitioner)
                                        ? BytesType.instance
                                        : new LocalByPartionerType(StorageService.getPartitioner());
        final CFMetaData indexedCfMetadata = CFMetaData.newIndexMetadata(metadata, info, columnComparator);
        ColumnFamilyStore indexedCfs = ColumnFamilyStore.createColumnFamilyStore(table,
                                                                                 indexedCfMetadata.cfName,

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    }


    public void collectReducedColumns(IColumnContainer container, Iterator<IColumn> reducedColumns, int gcBefore)
    {
        int liveColumns = 0;
        AbstractType comparator = container.getComparator();


        while (reducedColumns.hasNext())
        {
            if (liveColumns >= count)
                break;


            IColumn column = reducedColumns.next();
            if (logger.isDebugEnabled())
                logger.debug("collecting " + column.getString(comparator));


            if (finish.length > 0
                && ((!reversed && comparator.compare(column.name(), finish) > 0))
                    || (reversed && comparator.compare(column.name(), finish) < 0))
                break;


            // only count live columns towards the `count` criteria
            if (!column.isMarkedForDelete()
                && (!container.isMarkedForDelete()

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            if (superColumnName.length == 0)
                throw new InvalidRequestException("supercolumn name must not be empty");
            if (!DatabaseDescriptor.getColumnFamilyType(keyspace, columnFamilyName).equals("Super"))
                throw new InvalidRequestException("supercolumn specified to ColumnFamily " + columnFamilyName + " containing normal columns");
        }
        AbstractType comparator = ColumnFamily.getComparatorFor(keyspace, columnFamilyName, superColumnName);
        for (byte[] name : column_names)
        {
            if (name.length > IColumn.MAX_NAME_LENGTH)
                throw new InvalidRequestException("column name length must not be greater than " + IColumn.MAX_NAME_LENGTH);
            if (name.length == 0)
                throw new InvalidRequestException("column name must not be empty");
            try
            {
                comparator.validate(name);
            }
            catch (MarshalException e)
            {
                throw new InvalidRequestException(e.getMessage());
            }

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