Example usage for org.apache.cassandra.serializers ListSerializer deserializeForNativeProtocol

Introduction

In this page you can find the example usage for org.apache.cassandra.serializers ListSerializer deserializeForNativeProtocol.

Prototype

public List<T> deserializeForNativeProtocol(ByteBuffer bytes, ProtocolVersion version) 

Source Link

Usage

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

License:Apache License

/**
 * Sets the element collection list.//from   w  w w . java2  s. c  o  m
 * 
 * @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;
}

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