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

Introduction

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

Prototype

public List<AbstractType<?>> allTypes() 

Source Link

Usage

From source file:com.impetus.client.cassandra.datahandler.CassandraDataHandlerBase.java

License:Apache License

/**
 * Sets the udt value.//  ww w. j ava2 s . c  om
 * 
 * @param entity
 *            the entity
 * @param thriftColumnValue
 *            the thrift column value
 * @param metaModel
 *            the meta model
 * @param attribute
 *            the attribute
 * @return the object
 */
private Object setUdtValue(Object entity, Object thriftColumnValue, MetamodelImpl metaModel,
        Attribute attribute) {
    List<ByteBuffer> fieldNames = new ArrayList<ByteBuffer>();
    List<AbstractType<?>> fieldTypes = new ArrayList<AbstractType<?>>();

    String val = null;

    // get from cqlMetadata, details of types and names (for maintaining
    // order)
    Map<ByteBuffer, String> schemaTypes = this.clientBase.getCqlMetadata().getValue_types();
    for (Map.Entry<ByteBuffer, String> schemaType : schemaTypes.entrySet()) {
        UTF8Serializer utf8Serializer = UTF8Serializer.instance;
        String key = utf8Serializer.deserialize((schemaType.getKey()));
        if (key.equals(((AbstractAttribute) attribute).getJavaMember().getName())) {
            val = schemaType.getValue();
            break;
        }
    }

    UserType userType = null;

    try {
        userType = UserType.getInstance(new TypeParser(val.substring(val.indexOf("("), val.length())));
    } catch (ConfigurationException | SyntaxException e) {
        log.error(e.getMessage());
        throw new KunderaException("Error while getting instance of UserType " + e);
    }

    fieldNames = userType.fieldNames();
    fieldTypes = userType.allTypes();

    Field field = (Field) ((AbstractAttribute) attribute).getJavaMember();
    Class embeddedClass = ((AbstractAttribute) attribute).getBindableJavaType();

    Object embeddedObject = KunderaCoreUtils.createNewInstance(embeddedClass);

    Object finalValue = populateEmbeddedRecursive((ByteBuffer.wrap((byte[]) thriftColumnValue)), fieldTypes,
            fieldNames, embeddedObject, metaModel);

    PropertyAccessorHelper.set(entity, field, finalValue);

    return entity;
}

---

From source file:com.impetus.client.cassandra.datahandler.CassandraDataHandlerBase.java

License:Apache License

/**
 * Sets the element collection map./*  w  ww  .  j a  va  2  s  .co  m*/
 * 
 * @param mapType
 *            the cql column metadata
 * @param thriftColumnValue
 *            the thrift column value
 * @param entity
 *            the entity
 * @param field
 *            the field
 * @param metaModel
 *            the meta model
 * @param embeddedObject
 *            the embedded object
 * @return the object
 */
private Object setElementCollectionMap(MapType mapType, ByteBuffer thriftColumnValue, Object entity,
        Field field, MetamodelImpl metaModel, Class embeddedClass, boolean useNativeProtocol2) {

    Map result = new HashMap();
    MapSerializer mapSerializer = mapType.getSerializer();
    Map outputCollection = new HashMap();
    if (useNativeProtocol2) {
        outputCollection.putAll(mapSerializer.deserializeForNativeProtocol(thriftColumnValue, 2));
    } else {
        outputCollection.putAll((Map) mapSerializer.deserialize(thriftColumnValue));
    }

    UserType usertype = (UserType) mapType.getValuesType();

    for (Object key : outputCollection.keySet()) {
        Object embeddedObject = KunderaCoreUtils.createNewInstance(embeddedClass);
        Object value = populateEmbeddedRecursive((ByteBuffer) outputCollection.get(key), usertype.allTypes(),
                usertype.fieldNames(), embeddedObject, metaModel);
        result.put(key, value);
    }
    PropertyAccessorHelper.set(entity, field, result);
    return entity;
}

---

From source file:com.impetus.client.cassandra.datahandler.CassandraDataHandlerBase.java

License:Apache License

/**
 * Sets the element collection set.//from  ww w  . ja  va 2s. co  m
 * 
 * @param setType
 *            the cql column metadata
 * @param thriftColumnValue
 *            the thrift column value
 * @param entity
 *            the entity
 * @param field
 *            the field
 * @param metaModel
 *            the meta model
 * @param embeddedObject
 *            the embedded object
 * @return the object
 */
private Object setElementCollectionSet(SetType setType, ByteBuffer thriftColumnValue, Object entity,
        Field field, MetamodelImpl metaModel, Class embeddedClass, boolean useNativeProtocol2) {

    SetSerializer setSerializer = setType.getSerializer();
    Collection outputCollection = new ArrayList();
    if (useNativeProtocol2) {
        outputCollection.addAll((Collection) setSerializer.deserializeForNativeProtocol(thriftColumnValue, 2));
    } else {
        outputCollection.addAll((Collection) setSerializer.deserialize(thriftColumnValue));
    }

    UserType usertype = (UserType) setType.getElementsType();
    Collection result = new HashSet();
    Iterator collectionItems = outputCollection.iterator();
    while (collectionItems.hasNext()) {
        Object embeddedObject = KunderaCoreUtils.createNewInstance(embeddedClass);
        Object value = populateEmbeddedRecursive((ByteBuffer) collectionItems.next(), usertype.allTypes(),
                usertype.fieldNames(), embeddedObject, metaModel);
        result.add(value);
    }
    PropertyAccessorHelper.set(entity, field, result);
    return entity;
}

---

From source file:com.impetus.client.cassandra.datahandler.CassandraDataHandlerBase.java

License:Apache License

/**
 * Sets the element collection list.// w ww . j  a  va2  s.c  om
 * 
 * @param listType
 *            the cql column metadata
 * @param thriftColumnValue
 *            the thrift column value
 * @param entity
 *            the entity
 * @param field
 *            the field
 * @param metaModel
 *            the meta model
 * @param embeddedObject
 *            the embedded object
 * @return the object
 */
private Object setElementCollectionList(ListType listType, ByteBuffer thriftColumnValue, Object entity,
        Field field, MetamodelImpl metaModel, Class embeddedClass, boolean useNativeProtocol2) {

    ListSerializer listSerializer = listType.getSerializer();
    Collection outputCollection = new ArrayList();
    if (useNativeProtocol2) {
        outputCollection.addAll((Collection) listSerializer.deserializeForNativeProtocol(thriftColumnValue, 2));
    } else {
        outputCollection.addAll((Collection) listSerializer.deserialize(thriftColumnValue));
    }

    UserType usertype = (UserType) listType.getElementsType();
    Collection result = new ArrayList();
    Iterator collectionItems = outputCollection.iterator();
    while (collectionItems.hasNext()) {
        Object embeddedObject = KunderaCoreUtils.createNewInstance(embeddedClass);
        Object value = populateEmbeddedRecursive((ByteBuffer) collectionItems.next(), usertype.allTypes(),
                usertype.fieldNames(), embeddedObject, metaModel);
        result.add(value);
    }
    PropertyAccessorHelper.set(entity, field, result);
    return entity;
}

---