Example usage for org.apache.cassandra.db.marshal UserType type

Introduction

In this page you can find the example usage for org.apache.cassandra.db.marshal UserType type.

Prototype

public AbstractType<?> type(int i) 

Source Link

Usage

From source file:org.elassandra.cluster.InternalCassandraClusterService.java

License:Apache License

public static Object deserialize(AbstractType<?> type, ByteBuffer bb, Mapper mapper)
        throws CharacterCodingException {
    if (type instanceof UserType) {
        UserType udt = (UserType) type;
        Map<String, Object> mapValue = new HashMap<String, Object>();
        ByteBuffer[] components = udt.split(bb);

        if (GEO_POINT_TYPE.equals(ByteBufferUtil.string(udt.name))) {
            if (components[0] != null)
                mapValue.put(GeoPointFieldMapper.Names.LAT, deserialize(udt.type(0), components[0], null));
            if (components[1] != null)
                mapValue.put(GeoPointFieldMapper.Names.LON, deserialize(udt.type(1), components[1], null));
        } else {/*w  ww . ja v  a2  s.  com*/
            for (int i = 0; i < components.length; i++) {
                String fieldName = UTF8Type.instance.compose(udt.fieldName(i));
                AbstractType<?> ctype = udt.type(i);
                Mapper subMapper = null;
                if (mapper != null && mapper instanceof ObjectMapper)
                    subMapper = ((ObjectMapper) mapper).getMapper(fieldName);
                Object value = (components[i] == null) ? null : deserialize(ctype, components[i], subMapper);
                mapValue.put(fieldName, value);
            }
        }
        return mapValue;
    } else if (type instanceof ListType) {
        ListType<?> ltype = (ListType<?>) type;
        ByteBuffer input = bb.duplicate();
        int size = CollectionSerializer.readCollectionSize(input, Server.VERSION_3);
        List list = new ArrayList(size);
        for (int i = 0; i < size; i++) {
            list.add(deserialize(ltype.getElementsType(),
                    CollectionSerializer.readValue(input, Server.VERSION_3), mapper));
        }
        if (input.hasRemaining())
            throw new MarshalException("Unexpected extraneous bytes after map value");
        return list;
    } else if (type instanceof SetType) {
        SetType<?> ltype = (SetType<?>) type;
        ByteBuffer input = bb.duplicate();
        int size = CollectionSerializer.readCollectionSize(input, Server.VERSION_3);
        Set set = new HashSet(size);
        for (int i = 0; i < size; i++) {
            set.add(deserialize(ltype.getElementsType(),
                    CollectionSerializer.readValue(input, Server.VERSION_3), mapper));
        }
        if (input.hasRemaining())
            throw new MarshalException("Unexpected extraneous bytes after map value");
        return set;
    } else if (type instanceof MapType) {
        MapType<?, ?> ltype = (MapType<?, ?>) type;
        ByteBuffer input = bb.duplicate();
        int size = CollectionSerializer.readCollectionSize(input, Server.VERSION_3);
        Map map = new LinkedHashMap(size);
        for (int i = 0; i < size; i++) {
            ByteBuffer kbb = CollectionSerializer.readValue(input, Server.VERSION_3);
            ByteBuffer vbb = CollectionSerializer.readValue(input, Server.VERSION_3);
            String key = (String) ltype.getKeysType().compose(kbb);
            Mapper subMapper = null;
            if (mapper != null) {
                assert mapper instanceof ObjectMapper : "Expecting an object mapper for MapType";
                subMapper = ((ObjectMapper) mapper).getMapper(key);
            }
            map.put(key, deserialize(ltype.getValuesType(), vbb, subMapper));
        }
        if (input.hasRemaining())
            throw new MarshalException("Unexpected extraneous bytes after map value");
        return map;
    } else {
        Object value = type.compose(bb);
        if (mapper != null && mapper instanceof FieldMapper) {
            return ((FieldMapper) mapper).fieldType().valueForSearch(value);
        }
        return value;
    }
}

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From source file:org.elasticsearch.cassandra.ElasticSecondaryIndex.java

License:Apache License

public static Object deserialize(AbstractType<?> type, ByteBuffer bb) {
    if (type instanceof UserType) {
        UserType utype = (UserType) type;
        Map<String, Object> mapValue = new HashMap<String, Object>();
        ByteBuffer[] components = utype.split(bb);
        for (int i = 0; i < components.length; i++) {
            String fieldName = UTF8Type.instance.compose(utype.fieldName(i));
            AbstractType<?> ctype = utype.type(i);
            Object value = (components[i] == null) ? null : deserialize(ctype, components[i]);
            mapValue.put(fieldName, value);
        }//  w  w  w. jav  a  2  s. co m
        return mapValue;
    } else if (type instanceof ListType) {
        ListType ltype = (ListType) type;
        ByteBuffer input = bb.duplicate();
        int size = CollectionSerializer.readCollectionSize(input, Server.VERSION_3);
        List list = new ArrayList(size);
        for (int i = 0; i < size; i++) {
            list.add(deserialize(ltype.getElementsType(),
                    CollectionSerializer.readValue(input, Server.VERSION_3)));
        }
        if (input.hasRemaining())
            throw new MarshalException("Unexpected extraneous bytes after map value");
        return list;
    } else if (type instanceof SetType) {
        SetType ltype = (SetType) type;
        ByteBuffer input = bb.duplicate();
        int size = CollectionSerializer.readCollectionSize(input, Server.VERSION_3);
        Set set = new HashSet(size);
        for (int i = 0; i < size; i++) {
            set.add(deserialize(ltype.getElementsType(),
                    CollectionSerializer.readValue(input, Server.VERSION_3)));
        }
        if (input.hasRemaining())
            throw new MarshalException("Unexpected extraneous bytes after map value");
        return set;
    } else if (type instanceof MapType) {
        MapType ltype = (MapType) type;
        ByteBuffer input = bb.duplicate();
        int size = CollectionSerializer.readCollectionSize(input, Server.VERSION_3);
        Map map = new LinkedHashMap(size);
        for (int i = 0; i < size; i++) {
            ByteBuffer kbb = CollectionSerializer.readValue(input, Server.VERSION_3);
            ByteBuffer vbb = CollectionSerializer.readValue(input, Server.VERSION_3);
            String key = (String) ltype.getKeysType().compose(kbb);
            map.put(key, deserialize(ltype.getValuesType(), vbb));
        }
        if (input.hasRemaining())
            throw new MarshalException("Unexpected extraneous bytes after map value");
        return map;
    } else {
        return type.compose(bb);
    }
}

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